title
DevOps Interview Questions & Answers | DevOps Interview Preparation 2024 | DevOps Training | Edureka

description
🔥𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐃𝐞𝐯𝐎𝐩𝐬 𝐏𝐨𝐬𝐭 𝐆𝐫𝐚𝐝𝐮𝐚𝐭𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦 𝐰𝐢𝐭𝐡 𝐏𝐮𝐫𝐝𝐮𝐞 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲: https://www.edureka.co/executive-programs/purdue-devops This DevOps Tutorial on DevOps Interview Questions and Answers ( DevOps Interview Blog : https://goo.gl/mfTAVJ ) will help you to prepare yourself for DevOps interviews. Learn about the most important DevOps Engineer interview questions and answers and know what will set you apart in the interview process. Below are the topics covered in this DevOps Interview Questions and Answers Tutorial: 1) Basic DevOps Interview Questions 2) Source Code Management - DevOps Interview Questions 3) Continuous Integration - DevOps Interview Questions 4) Continuous Deployment - DevOps Interview Questions 5) Continuous Monitoring - DevOps Interview Questions DevOps playlist here: https://bit.ly/3iJoJIP DevOps Podcast: https://castbox.fm/channel/id1684800 For doubts & queries on DevOps, post the same on Edureka Community: https://www.edureka.co/community/devops-and-agile Subscribe to our channel to get video updates. Hit the subscribe button above. 𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐃𝐞𝐯𝐎𝐩𝐬 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠𝐬 🔵DevOps Online Training: https://bit.ly/3GOAlD5 🔵Kubernetes Online Training: https://bit.ly/3q0zrg1 🔵Docker Online Training: https://bit.ly/3DYPCj9 🔵AWS Certified DevOps Engineer Online Training: https://bit.ly/3pXnB6y 🔵Azure DevOps (Az-400) Online Training: https://bit.ly/3m8WmVr 𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐃𝐞𝐯𝐨𝐩𝐬 𝐌𝐚𝐬𝐭𝐞𝐫𝐬 𝐏𝐫𝐨𝐠𝐫𝐚𝐦 🔵DevOps Engineer Masters Program: https://bit.ly/3pXp1Ou 𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲 𝐏𝐫𝐨𝐠𝐫𝐚𝐦 🌕 Post Graduate Program in DevOps with Purdue University: https://bit.ly/3yqRlMS Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka #DevOps #DevOpsInterview #DevOpsTraining #DevOpsTutorial - - - - - - - - - - - - - - About the Course Edureka’s DevOps online training is designed to help you master key tools of Devops lifecycle like Docker, Puppet, Jenkins, Nagios, GIT, Ansible, SaltStack and Chef used by a DevOps Engineer for automating multiple steps in SDLC. During this course, our expert DevOps instructors will help you: 1. Understand the concepts and necessities of DevOps 2. Understand the need for DevOps and the day-to-day real-life problems it resolves 3. Learn installation and configuration of common infrastructure servers like Apache, and Nginx for the Enterprise 4. Learn popular DevOps tools like Jenkins, Puppet, Chef, Ansible, SaltStack, Nagios and GIT 5. Implement automated system update, installations and deployments 6. Learn Virtualization Concepts 7. Configuration deployment and packaging, continuous integration using GIT 8. Fine tune Performance and set-up basic Security for Infrastructure 9. Manage server operations using Code which is popularly known as Infrastructure as a Code 10. Understand the need for and concepts of Monitoring and Logging. Along with the above mentioned topics, to help you master the most popular DevOps tools, you will also receive 3 additional self-paced courses including presentations, class recordings, assignments, solutions for the following tools: 1: Ansible - Covers Introduction, Setup & Configuration, Ansible Playbooks, 37 Ansible Modules, Different Roles and Command Line usage. 2: Chef - Covers Introduction, Building the Cook Book, Node Object & Search, Data-bags, Chef environment, Roles, Deploying Nodes in Production and using the Open Source Chef Server. 3: Puppet - Covers Puppet Infrastructure & run-cycle, the Puppet Language, Environment defining Nodes and Modules, Provisioning a Web Server and Executing Modules Against A Puppet Master. - - - - - - - - - - - - - - Who should go for this course? DevOps practitioners are among the highest paid IT professionals today, and the market demand for them is growing rapidly. Some of these roles are: 1. DevOps Architect 2. Automation Engineer 3. Software Tester 4. Security Engineer 5. Integration Specialist 6. Release Manager - - - - - - - - - - - - - - Project Work 1. Host a dummy webpage using Apache Web Server. 2. Write shell script which reports: a) Various system configurations related to the user and the OS. b) Data related to load on the server. c) Top 5 processes with maximum number of threads. d) Sort the services by memory 3. Install Nagios on a VM node for monitoring the various parameter of the VM. For more information, please write back to us at sales@edureka.co or call us at IND: 9606058406 / US: 18338555775 (toll-free). Customer Reviews: Ankur Kashyap, DevOps, Build & Release says: “I was enrolled into Devops training from Edureka On a professionalism, they provide a great presentation on the topic that helps to understand the indepth of Devops technology. Good knowledgeable staff, provide recorded sessions with life time warranty. Also technical team is really helpful if you stuck in some demo sessions. Keep it up !! ”

detail
{'title': 'DevOps Interview Questions & Answers | DevOps Interview Preparation 2024 | DevOps Training | Edureka', 'heatmap': [{'end': 787.141, 'start': 671.922, 'weight': 1}, {'end': 1236.133, 'start': 1178.442, 'weight': 0.785}, {'end': 1355.163, 'start': 1289.683, 'weight': 0.706}], 'summary': 'Covers the demands and adoption of devops, including 30x more frequent code deployment, 50% fewer failures, and 20% market growth. it also discusses devops tools, practices, ci/cd, configuration management, jenkins plugins, chef, ansible, nagios, splunk, and mongodb setup in docker for sdlc.', 'chapters': [{'end': 579.099, 'segs': [{'end': 114.855, 'src': 'embed', 'start': 90.473, 'weight': 3, 'content': [{'end': 96.718, 'text': 'So both agility and the quality can be maintained by using DevOps practices.', 'start': 90.473, 'duration': 6.245}, {'end': 98.979, 'text': "We'll see DevOps market.", 'start': 97.418, 'duration': 1.561}, {'end': 101.561, 'text': 'The DevOps is actually trending nowadays.', 'start': 99.359, 'duration': 2.202}, {'end': 110.253, 'text': 'So according to the recent research, the market rates, the DevOps market is growing to a 20% every end of the decade, which is actually a huge number.', 'start': 102.116, 'duration': 8.137}, {'end': 114.855, 'text': "So if you see it started in 2012, and it's with very bare, accountable numbers.", 'start': 110.314, 'duration': 4.541}], 'summary': 'Devops market growing at 20% every end of the decade.', 'duration': 24.382, 'max_score': 90.473, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI90473.jpg'}, {'end': 315.948, 'src': 'embed', 'start': 289.191, 'weight': 0, 'content': [{'end': 294.274, 'text': 'or a project lead, or somebody is actually in the management, or somebody is just starting the career.', 'start': 289.191, 'duration': 5.083}, {'end': 302.598, 'text': "Irrespective of the level, these questions and answers are applicable for any of the person who's actually venturing his career into DevOps area.", 'start': 294.614, 'duration': 7.984}, {'end': 306.74, 'text': "So if you see on the left side, there's a small picture about the STLC.", 'start': 303.018, 'duration': 3.722}, {'end': 308.941, 'text': 'So it starts with planning stage.', 'start': 307.06, 'duration': 1.881}, {'end': 315.948, 'text': 'And then, once the project is planned, then we actually code and build the code, test the code, release the code,', 'start': 309.505, 'duration': 6.443}], 'summary': 'Devops career advice applies to all levels, emphasizing stlc stages and code development.', 'duration': 26.757, 'max_score': 289.191, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI289191.jpg'}], 'start': 0.069, 'title': 'Devops demands and adoption', 'summary': 'Discusses the demands of devops, including 30 times more frequent code deployment and 50% fewer failures of new releases, the growing devops market at a rate of 20% every end of the decade, and high salaries for practitioners. it also covers the adoption of devops by organizations, revealing that 77% are moving towards devops company-wide, with 31% adopting it for specific business units, and 12% likely to do so in the future due to its benefits.', 'chapters': [{'end': 178.77, 'start': 0.069, 'title': 'Devops: demands, market, and opportunities', 'summary': 'Discusses the demands of devops, including 30 times more frequent code deployment and 50% fewer failures of new releases, the growing devops market at a rate of 20% every end of the decade, and the high salaries for devops practitioners, reaching up to 120,000 usd per annum in the us.', 'duration': 178.701, 'highlights': ['The DevOps market is growing at a rate of 20% every end of the decade. The DevOps market is experiencing significant growth, reaching a 20% increase every decade.', 'Code is deployed 30 times more frequently with DevOps practices in place. Implementing DevOps practices enables code deployment 30 times more frequently.', 'Using adopting DevOps practices and principles, you can reduce the failure rate of new releases to 50%. DevOps practices can lead to a 50% reduction in the failure rate of new releases.', 'DevOps practitioners are paid very well, with starting salaries reaching between 100,000 and 120,000 USD per annum in the US. The salaries for DevOps practitioners start at a high range, between 100,000 and 120,000 USD per annum in the US.']}, {'end': 579.099, 'start': 178.79, 'title': 'Adopting devops in organizations', 'summary': 'Discusses the adoption of devops by organizations, revealing that 77% of organizations are moving towards devops company-wide, with 31% adopting it for specific business units, and 12% not currently adopting but likely to do so in the future due to its benefits of speed, agility, and quality.', 'duration': 400.309, 'highlights': ['77% of organizations are moving towards DevOps company-wide. 77% of organizations are adopting DevOps company-wide.', '31% of organizations are adopting DevOps for specific business units. 31% of organizations are adopting DevOps for specific business units.', '12% of organizations are not adopting DevOps, but are likely to do so in the future due to its benefits of speed, agility, and quality. 12% of organizations are not adopting DevOps, but likely to do so in the future due to its benefits.', 'Git is the popular modern version control system used to store code, with SVN being an alternative. Git is a popular modern version control system used to store code.', 'Jira is used as an issue tracking tool to assign tasks, track development activities, and estimate time for completion. Jira is used as an issue tracking tool to assign tasks and track development activities.', 'Ant, Maven, and Gradle are tools used for building code, with Gradle offering out-of-the-box features for efficient builds. Ant, Maven, and Gradle are tools used for building code, with Gradle offering efficient out-of-the-box features.', 'Selenium is a testing tool for web-based applications and GUI testing, while JUnit is used for unit testing in Java-based applications. Selenium is a testing tool for web-based applications and GUI testing.', 'Jenkins is a widely used, free, open-source continuous integration tool, while Bamboo is a licensed Atlassian tool with a graphical interface. Jenkins is a widely used, free, open-source continuous integration tool.']}], 'duration': 579.03, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI69.jpg', 'highlights': ['Code is deployed 30 times more frequently with DevOps practices in place. Implementing DevOps practices enables code deployment 30 times more frequently.', 'Using adopting DevOps practices and principles, you can reduce the failure rate of new releases to 50%. DevOps practices can lead to a 50% reduction in the failure rate of new releases.', 'The DevOps market is growing at a rate of 20% every end of the decade. The DevOps market is experiencing significant growth, reaching a 20% increase every decade.', 'DevOps practitioners are paid very well, with starting salaries reaching between 100,000 and 120,000 USD per annum in the US. The salaries for DevOps practitioners start at a high range, between 100,000 and 120,000 USD per annum in the US.', '77% of organizations are moving towards DevOps company-wide. 77% of organizations are adopting DevOps company-wide.', '31% of organizations are adopting DevOps for specific business units. 31% of organizations are adopting DevOps for specific business units.', '12% of organizations are not adopting DevOps, but are likely to do so in the future due to its benefits of speed, agility, and quality. 12% of organizations are not adopting DevOps, but likely to do so in the future due to its benefits.']}, {'end': 959.831, 'segs': [{'end': 606.835, 'src': 'embed', 'start': 579.099, 'weight': 0, 'content': [{'end': 585.784, 'text': 'these continuous integration tools can be integrated with this source code and then build and test phase, so you can automate this.', 'start': 579.099, 'duration': 6.685}, {'end': 591.707, 'text': 'you know building and testing and using the continuous integration tools, you also can use it for deployment purpose.', 'start': 586.164, 'duration': 5.543}, {'end': 593.248, 'text': 'all right, the next thing is the deployment.', 'start': 591.707, 'duration': 1.541}, {'end': 600.752, 'text': 'so if you see this one, the deployment is basically before you deploy any code you need to provision the environment, so you can use puppet chef,', 'start': 593.248, 'duration': 7.504}, {'end': 606.835, 'text': 'ansible or a self stack for provisioning the servers, and you know various instances.', 'start': 600.752, 'duration': 6.083}], 'summary': 'Continuous integration tools automate build, test, and deployment processes, using tools like puppet, chef, ansible, or self-stack for server provisioning.', 'duration': 27.736, 'max_score': 579.099, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI579099.jpg'}, {'end': 787.141, 'src': 'heatmap', 'start': 671.922, 'weight': 1, 'content': [{'end': 676.884, 'text': "The reason is because there's no particular definition for DevOps.", 'start': 671.922, 'duration': 4.962}, {'end': 680.665, 'text': 'But the actual understanding is, if you ask me,', 'start': 677.284, 'duration': 3.381}, {'end': 693.298, 'text': 'I would say that DevOps is actually a practice that actually brings developers and operations and HR and testing and their operations or their activities together in a collaborative fashion,', 'start': 680.665, 'duration': 12.633}, {'end': 699, 'text': 'using proper process and techniques, to achieve the fastest and reliable software releases.', 'start': 693.298, 'duration': 5.702}, {'end': 701.081, 'text': "And that's what I actually define it for.", 'start': 699.441, 'duration': 1.64}, {'end': 706.144, 'text': 'Because the ultimate purpose of the collaboration, of course, DevOps is for collaboration.', 'start': 701.522, 'duration': 4.622}, {'end': 708.745, 'text': 'And DevOps is actually using the right tools and techniques.', 'start': 706.344, 'duration': 2.401}, {'end': 715.588, 'text': 'But the ultimate purpose of the DevOps is to actually give faster releases with high quality.', 'start': 709.045, 'duration': 6.543}, {'end': 716.988, 'text': "That's the main purpose.", 'start': 716.028, 'duration': 0.96}, {'end': 720.11, 'text': "And that's basically where the return on investment is there.", 'start': 717.049, 'duration': 3.061}, {'end': 724.817, 'text': 'right. so if you break the principles and practices into various segments.', 'start': 720.956, 'duration': 3.861}, {'end': 728.719, 'text': 'so here is a small example source code management is one of the area.', 'start': 724.817, 'duration': 3.902}, {'end': 731.1, 'text': 'continuous integration is another area.', 'start': 728.719, 'duration': 2.381}, {'end': 733.241, 'text': 'continuous testing is one of the areas.', 'start': 731.1, 'duration': 2.141}, {'end': 737.542, 'text': 'configuration management, which also has a infrastructure as code, is one area.', 'start': 733.241, 'duration': 4.301}, {'end': 739.483, 'text': 'continuous monitoring is another area.', 'start': 737.542, 'duration': 1.941}, {'end': 744.225, 'text': 'all these areas together combined and can be called as a DevOps practices.', 'start': 739.483, 'duration': 4.742}, {'end': 747.506, 'text': 'so the next is how is DevOps different from agile?', 'start': 744.225, 'duration': 3.281}, {'end': 754.351, 'text': 'All right, so Agile is basically a methodology and DevOps is basically a practice.', 'start': 748.286, 'duration': 6.065}, {'end': 757.333, 'text': 'Now the difference is Agile has a methodology.', 'start': 754.791, 'duration': 2.542}, {'end': 762.997, 'text': 'For example, if you talk about Scrum framework, which is a widely used Agile methodology framework,', 'start': 757.353, 'duration': 5.644}, {'end': 768.908, 'text': 'The Scrum framework actually defines a particular processes and rules.', 'start': 763.564, 'duration': 5.344}, {'end': 772.671, 'text': 'And all the development has to fit into that framework.', 'start': 769.028, 'duration': 3.643}, {'end': 780.196, 'text': 'So the Scrum defines the development activities as a sprint, repeatable, iteratable sprints.', 'start': 772.731, 'duration': 7.465}, {'end': 783.679, 'text': 'So each sprint has a number of tasks that actually we define.', 'start': 780.636, 'duration': 3.043}, {'end': 787.141, 'text': 'So there are some framework defined in the Agile methodology.', 'start': 783.699, 'duration': 3.442}], 'summary': 'Devops brings together developers, operations, hr, and testing to achieve faster and reliable software releases, while agile is a methodology with defined processes and rules.', 'duration': 115.219, 'max_score': 671.922, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI671922.jpg'}], 'start': 579.099, 'title': 'Devops tools, practices, and benefits', 'summary': 'Covers the integration of continuous integration tools, provisioning tools, configuration management principles, and monitoring. it also explains the definition of devops, its principles and practices, differences from agile, and the benefits it brings such as faster deployment frequency and shortened lead time between fixes.', 'chapters': [{'end': 658.137, 'start': 579.099, 'title': 'Devops tools and practices', 'summary': 'Discusses the integration of continuous integration tools for automating build, test, and deployment, including the use of provisioning tools like puppet, chef, ansible, and self stack, and the utilization of configuration management principles to ensure servers are up to the mark, followed by monitoring using tools like negios, splunk, sense, and new relic.', 'duration': 79.038, 'highlights': ['The chapter discusses the integration of continuous integration tools for automating build, test, and deployment. Continuous integration tools can be integrated with source code to automate building, testing, and deployment.', 'The use of provisioning tools like puppet, chef, ansible, and self stack is explained. Before deploying any code, the environment needs to be provisioned using tools like puppet, chef, ansible, or self stack.', 'Utilization of configuration management principles to ensure servers are up to the mark is covered. Configuration management principles are used to ensure provisioned servers have required packages and configurations.', 'Monitoring using tools like Negios, Splunk, Sense, and New Relic is discussed. Various tools like Negios, Splunk, Sense, and New Relic are used for monitoring.']}, {'end': 959.831, 'start': 658.513, 'title': 'Understanding devops and its benefits', 'summary': 'Discusses the definition of devops, its principles and practices, the difference between devops and agile, the need for devops, and the benefits it brings, including faster deployment frequency and shortened lead time between fixes.', 'duration': 301.318, 'highlights': ['DevOps is a practice that brings developers, operations, HR, and testing activities together to achieve fast and reliable software releases, aiming for faster releases with high quality. DevOps is a collaborative practice bringing various teams together to achieve fast and reliable software releases, with the goal of faster releases and high-quality outcomes.', 'DevOps covers a wide range of topics and is not just a methodology, unlike Agile, and is uniquely defined by each organization to meet its specific needs. DevOps covers a wide range of topics and is not just a methodology, unlike Agile, and is uniquely defined by each organization to meet its specific needs.', 'DevOps enables increased deployment frequency, potentially up to 30 times more frequent than traditional approaches, and reduces the potential risk for service failure or release failure. DevOps enables increased deployment frequency, potentially up to 30 times more frequent than traditional approaches, and reduces the potential risk for service failure or release failure.', 'DevOps shortens the lead time between identifying and fixing issues, as well as provides faster recovery in the event of release failure through continuous monitoring and proactive issue identification. DevOps shortens the lead time between identifying and fixing issues, as well as provides faster recovery in the event of release failure through continuous monitoring and proactive issue identification.']}], 'duration': 380.732, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI579099.jpg', 'highlights': ['DevOps enables increased deployment frequency, potentially up to 30 times more frequent than traditional approaches, and reduces the potential risk for service failure or release failure.', 'The chapter discusses the integration of continuous integration tools for automating build, test, and deployment. Continuous integration tools can be integrated with source code to automate building, testing, and deployment.', 'DevOps shortens the lead time between identifying and fixing issues, as well as provides faster recovery in the event of release failure through continuous monitoring and proactive issue identification.', 'DevOps is a practice that brings developers, operations, HR, and testing activities together to achieve fast and reliable software releases, aiming for faster releases with high quality.']}, {'end': 1915.896, 'segs': [{'end': 1115.82, 'src': 'embed', 'start': 1085.282, 'weight': 3, 'content': [{'end': 1092.267, 'text': 'And the next thing is, you have actually identified tools for your source code management, your building purpose and your testing,', 'start': 1085.282, 'duration': 6.985}, {'end': 1093.348, 'text': 'your continuous integration.', 'start': 1092.267, 'duration': 1.081}, {'end': 1097.551, 'text': 'The next thing is to deploy this application in a particular environment.', 'start': 1093.688, 'duration': 3.863}, {'end': 1101.353, 'text': 'So, to have an environment ready up and running, you need to have a provisioning system.', 'start': 1097.871, 'duration': 3.482}, {'end': 1105.595, 'text': 'And also, the provisioning system should be capable of deploying the application as well.', 'start': 1101.853, 'duration': 3.742}, {'end': 1108.136, 'text': 'So, for that purpose, you can use Puppet, Chef, or Ansible.', 'start': 1105.615, 'duration': 2.521}, {'end': 1115.82, 'text': 'These tools can be used to provision the servers and then deploy the application and provide the same consistency.', 'start': 1108.576, 'duration': 7.244}], 'summary': 'Identify tools for source code management, building, testing, and deployment using puppet, chef, or ansible for server provisioning and application deployment.', 'duration': 30.538, 'max_score': 1085.282, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1085282.jpg'}, {'end': 1152.112, 'src': 'embed', 'start': 1120.082, 'weight': 2, 'content': [{'end': 1123.583, 'text': 'So Docker containers provide constant computing environment through the SDLC.', 'start': 1120.082, 'duration': 3.501}, {'end': 1130.866, 'text': "The Docker is basically if you don't need a virtual machine because you're running small, small applications like microservices,", 'start': 1124.063, 'duration': 6.803}, {'end': 1132.066, 'text': 'and then you can actually use it.', 'start': 1130.866, 'duration': 1.2}, {'end': 1133.447, 'text': 'Your Docker is your application.', 'start': 1132.106, 'duration': 1.341}, {'end': 1138.027, 'text': 'So Docker is also one of the best approaches.', 'start': 1134.045, 'duration': 3.982}, {'end': 1141.028, 'text': "It's not an alternate approach but it's one of the approaches.", 'start': 1138.647, 'duration': 2.381}, {'end': 1143.449, 'text': "So that's actually about the question number four.", 'start': 1141.268, 'duration': 2.181}, {'end': 1146.25, 'text': 'The next thing is source code management question.', 'start': 1143.529, 'duration': 2.721}, {'end': 1152.112, 'text': "So here we're talking about Git because Git is the most widely used modern software source control management tool.", 'start': 1146.85, 'duration': 5.262}], 'summary': 'Docker containers offer consistent environment for microservices, while git is widely used for source code management.', 'duration': 32.03, 'max_score': 1120.082, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1120082.jpg'}, {'end': 1236.133, 'src': 'heatmap', 'start': 1178.442, 'weight': 0.785, 'content': [{'end': 1197.319, 'text': 'who are working on the same project and then we can further integrate that source code with continuous integration tools so that every time you do a change to your source code it will trigger a build automatically and then triggers test automatically and then apply some configuration changes and deploys to the environment and then can be monitored.', 'start': 1178.442, 'duration': 18.877}, {'end': 1202.143, 'text': 'so all these things can be further automated so we can actually use continuous integration.', 'start': 1197.319, 'duration': 4.824}, {'end': 1206.347, 'text': 'say, every time a commit is made to Git repository, Continuous integration server,', 'start': 1202.143, 'duration': 4.204}, {'end': 1212.352, 'text': 'pulls it and compiles it and also deploys it onto the test server for testing purposes.', 'start': 1206.347, 'duration': 6.005}, {'end': 1212.972, 'text': "So that's the.", 'start': 1212.352, 'duration': 0.62}, {'end': 1215.194, 'text': "that's how it actually performs.", 'start': 1212.972, 'duration': 2.222}, {'end': 1219.258, 'text': 'explain, gets distributed architecture is another question, right?', 'start': 1215.194, 'duration': 4.064}, {'end': 1221.039, 'text': 'How did it work?', 'start': 1219.979, 'duration': 1.06}, {'end': 1224.863, 'text': 'So gift is a distributed architecture, unlike SVM.', 'start': 1221.059, 'duration': 3.804}, {'end': 1231.288, 'text': 'the difference between SVM and get, if somebody else is this one, get is distributed version control system.', 'start': 1224.863, 'duration': 6.425}, {'end': 1236.133, 'text': 'SVN is a client server based version control system.', 'start': 1232.129, 'duration': 4.004}], 'summary': 'Continuous integration automates build, test, deploy. git is distributed, svn is client-server.', 'duration': 57.691, 'max_score': 1178.442, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1178442.jpg'}, {'end': 1355.163, 'src': 'heatmap', 'start': 1289.683, 'weight': 0.706, 'content': [{'end': 1295.025, 'text': "which means there is a central repository that's available in a centralized server.", 'start': 1289.683, 'duration': 5.342}, {'end': 1302.949, 'text': 'and then each collaborator or each developer actually copy only the contents required into the desktop called workspace.', 'start': 1295.365, 'duration': 7.584}, {'end': 1310.012, 'text': "It's not the entire repository, it's just the workspace, it's just the view that you can see only certain branch, only certain files.", 'start': 1303.149, 'duration': 6.863}, {'end': 1312.973, 'text': 'you copy into your workspace and then commit the changes.', 'start': 1310.012, 'duration': 2.961}, {'end': 1316.435, 'text': "So that's key difference between SVN and Git.", 'start': 1313.193, 'duration': 3.242}, {'end': 1323.008, 'text': 'Now in Git, how do you revert a commit that has already been pushed and made public?', 'start': 1317.486, 'duration': 5.522}, {'end': 1327.909, 'text': 'So in Git, how do you revert a commit that has already been pushed and made public?', 'start': 1323.548, 'duration': 4.361}, {'end': 1334.972, 'text': "So let's say you have actually using Git and then you can run git commit and then You commit the change and you push it.", 'start': 1327.929, 'duration': 7.043}, {'end': 1337.553, 'text': 'Say, how you want to revert it.', 'start': 1335.392, 'duration': 2.161}, {'end': 1341.516, 'text': "So there's a git revert command available to revert the change.", 'start': 1337.593, 'duration': 3.923}, {'end': 1345.558, 'text': 'So for example, using git commit, minus m, commit message.', 'start': 1341.676, 'duration': 3.882}, {'end': 1355.163, 'text': 'So the first command commits the change and then you have to use another command called git push to push the change from your local repository to the remote repository.', 'start': 1345.698, 'duration': 9.465}], 'summary': 'Git allows collaborators to work on a centralized server, and provides a command to revert a commit that has been pushed and made public.', 'duration': 65.48, 'max_score': 1289.683, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1289683.jpg'}, {'end': 1402.049, 'src': 'embed', 'start': 1373.953, 'weight': 1, 'content': [{'end': 1379.616, 'text': "so feel free to type the questions and then at the end I'm going to answer all the questions right?", 'start': 1373.953, 'duration': 5.663}, {'end': 1381.798, 'text': 'So that way we will not break the flow.', 'start': 1380.017, 'duration': 1.781}, {'end': 1390.663, 'text': 'Right, now the next question is how do you find a list of files that has changed in a particular comment, right? Git offers various commands.', 'start': 1382.458, 'duration': 8.205}, {'end': 1396.546, 'text': 'Git diff tree is one of the commands that we can use to see the files that are changed.', 'start': 1391.143, 'duration': 5.403}, {'end': 1402.049, 'text': 'So git diff tree minus R, recursive and then hash.', 'start': 1397.426, 'duration': 4.623}], 'summary': 'Git diff tree -r command shows changed files in a comment.', 'duration': 28.096, 'max_score': 1373.953, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1373953.jpg'}, {'end': 1854.523, 'src': 'embed', 'start': 1832.654, 'weight': 0, 'content': [{'end': 1842.764, 'text': 'One of them that I like is that all the code by all the developer has to be committed directly onto the trunk and then the trunk or the main branch or the master branch.', 'start': 1832.654, 'duration': 10.11}, {'end': 1848.96, 'text': 'And that master branch has to be integrated with a continuous integration server, for example Jenkins or Bamboo.', 'start': 1843.097, 'duration': 5.863}, {'end': 1851.882, 'text': 'that actually should pull all the number of commits.', 'start': 1848.96, 'duration': 2.922}, {'end': 1854.523, 'text': 'And for each commit, the build should trigger.', 'start': 1851.942, 'duration': 2.581}], 'summary': 'Developers commit code to trunk, integrated with ci server like jenkins or bamboo. each commit triggers build.', 'duration': 21.869, 'max_score': 1832.654, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1832654.jpg'}], 'start': 959.911, 'title': 'Devops tools and practices', 'summary': 'Discusses the significance of continuous monitoring in devops, emphasizing faster software development, shorter lead times, and quicker recovery times. it also delves into the integration of git, maven, nexus, jenkins, selenium, puppet, chef, ansible, and docker in a comprehensive devops pipeline.', 'chapters': [{'end': 1312.973, 'start': 959.911, 'title': 'Devops tools and practices', 'summary': 'Discusses the importance of continuous monitoring in devops, highlighting the benefits such as faster software development, shorter lead times, and quicker recovery times. it also covers the integration of various devops tools such as git, maven, nexus, jenkins, selenium, puppet, chef, ansible, and docker in a comprehensive devops pipeline.', 'duration': 353.062, 'highlights': ['Continuous monitoring in DevOps leads to faster and reliable software development, shorter lead times, and quicker recovery times in the event of an incident or failure. Continuous monitoring in DevOps leads to faster and reliable software development, shorter lead times, and quicker recovery times in the event of an incident or failure.', 'The integration of various DevOps tools such as Git, Maven, Nexus, Jenkins, Selenium, Puppet, Chef, Ansible, and Docker in a comprehensive DevOps pipeline. The integration of various DevOps tools such as Git, Maven, Nexus, Jenkins, Selenium, Puppet, Chef, Ansible, and Docker in a comprehensive DevOps pipeline.', 'Explanation of Git as a distributed version control management tool and its role in storing and sharing code in a collaborative environment. Explanation of Git as a distributed version control management tool and its role in storing and sharing code in a collaborative environment.', 'Insights into the distributed architecture of Git as compared to SVN, highlighting the multiple copies of the repository in a distributed version control system. Insights into the distributed architecture of Git as compared to SVN, highlighting the multiple copies of the repository in a distributed version control system.']}, {'end': 1617.826, 'start': 1313.193, 'title': 'Git revert and managing commits in git', 'summary': "Covers the process of reverting a commit in git using the git revert command, finding a list of files changed in a particular commit using git diff tree, and squashing multiple commits into a single commit using git reset command, showcasing git's unique features and flexibility.", 'duration': 304.633, 'highlights': ['Git allows you to revert a commit that has already been pushed and made public using the git revert command, providing flexibility in managing commits. Git provides the git revert command to revert a commit that has already been pushed and made public.', 'The git diff tree command can be used to see the list of files that have changed in a particular commit, offering visibility into the changes made. Using the git diff tree command, one can view the list of files that have been changed in a specific commit, providing detailed insights into the commit.', "Git's unique feature allows squashing multiple commits into a single commit using the git reset command, enabling users to modify the version history as needed. Git's squashing feature permits combining multiple commits into a single commit using the git reset command, showcasing Git's flexibility in managing commit history."]}, {'end': 1915.896, 'start': 1618.146, 'title': 'Git collaboration and continuous integration', 'summary': 'Discusses git collaboration, including pushing changes to a remote repository, reversing commits, and the importance of devops. it also covers continuous integration, best practices, and the use of jenkins plugins.', 'duration': 297.75, 'highlights': ['Continuous integration ensures that every commit is immediately compiled, built, and integrated with the main code, with feedback provided on success or failure. Continuous integration involves immediate compilation and integration of every commit to the main code, ensuring seamless collaboration and quality assurance.', 'The best practice in continuous integration is to commit code directly onto the trunk, integrate it with a continuous integration server, and trigger builds, tests, and optionally deployments for each commit. Committing code directly onto the trunk, integrating with a CI server, and triggering builds, tests, and deployments for each commit are key best practices in continuous integration.', 'DevOps is essential for every company to sustain in the market, as it encompasses practices that are crucial for business success. DevOps is crucial for business sustainability and success, as it encompasses essential practices required for companies to thrive in the market.', 'Reversing commits in Git allows for the possibility to revert to any specific commit, providing flexibility in managing code changes. Git allows for flexibility in managing code changes by providing the capability to revert to any specific commit, offering greater control and management.']}], 'duration': 955.985, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI959911.jpg', 'highlights': ['Continuous monitoring in DevOps leads to faster and reliable software development, shorter lead times, and quicker recovery times in the event of an incident or failure.', 'The integration of various DevOps tools such as Git, Maven, Nexus, Jenkins, Selenium, Puppet, Chef, Ansible, and Docker in a comprehensive DevOps pipeline.', 'Continuous integration ensures that every commit is immediately compiled, built, and integrated with the main code, with feedback provided on success or failure.', 'DevOps is crucial for business sustainability and success, as it encompasses essential practices required for companies to thrive in the market.']}, {'end': 2294.492, 'segs': [{'end': 1937.969, 'src': 'embed', 'start': 1916.176, 'weight': 1, 'content': [{'end': 1926.399, 'text': 'So some of the plugins that Jenkins uses this Git plugin or ACM plugin essential because it has to be connected with a source control system.', 'start': 1916.176, 'duration': 10.223}, {'end': 1935.847, 'text': 'to monitor and SSH plug-in a very basic plug-in to log into remote machines to do some remote execution of commands and copy files, etc.', 'start': 1927.1, 'duration': 8.747}, {'end': 1937.969, 'text': 'And then build a pipeline plug-in.', 'start': 1936.427, 'duration': 1.542}], 'summary': 'Jenkins uses git and acm plugins for source control, ssh plugin for remote execution, and build pipeline plugin.', 'duration': 21.793, 'max_score': 1916.176, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1916176.jpg'}, {'end': 2099.746, 'src': 'embed', 'start': 2069.193, 'weight': 0, 'content': [{'end': 2072.373, 'text': "Why? Because it's because, say for example, you want to deploy.", 'start': 2069.193, 'duration': 3.18}, {'end': 2081.978, 'text': 'a code on a Linux box, and then we want to deploy the same code on a Windows box, for example, or on a different Linux distribution.', 'start': 2072.793, 'duration': 9.185}, {'end': 2086.4, 'text': 'So for that purpose, you need to connect to that server and then do various activities.', 'start': 2082.038, 'duration': 4.362}, {'end': 2093.043, 'text': 'So this all can be automated by actually installing Jenkins slave on each of these nodes and then running it.', 'start': 2086.44, 'duration': 6.603}, {'end': 2094.024, 'text': "So that's where.", 'start': 2093.103, 'duration': 0.921}, {'end': 2095.685, 'text': 'And then you have various environments.', 'start': 2094.063, 'duration': 1.622}, {'end': 2099.746, 'text': 'Each environment can be treated as a separate combination of separate slaves.', 'start': 2096.385, 'duration': 3.361}], 'summary': 'Jenkins can automate code deployment to different platforms, simplifying activities and allowing for separate slave environments.', 'duration': 30.553, 'max_score': 2069.193, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2069193.jpg'}], 'start': 1916.176, 'title': 'Jenkins plugins and architecture', 'summary': 'Covers essential jenkins plugins such as git, acm, and ssh, and emphasizes the use of build pipelines. it also discusses email, html publisher, and parameterized trigger plugins, jenkins distributed architecture, and security measures including global security settings and security audits.', 'chapters': [{'end': 1959.533, 'start': 1916.176, 'title': 'Jenkins plugins and build pipelines', 'summary': 'Discusses the essential jenkins plugins such as git, acm, and ssh, and emphasizes the use of build pipelines for creating upstream and downstream connections to streamline building and deploying processes to different environments.', 'duration': 43.357, 'highlights': ['The build pipeline is a dependency mechanism for creating upstream and downstream connections, facilitating the view of building and deploying to different environments.', 'Essential Jenkins plugins such as Git, ACM, and SSH are used for connecting with source control systems, monitoring, remote execution of commands, and file operations.']}, {'end': 2294.492, 'start': 1959.949, 'title': 'Jenkins plugins, distributed architecture, and security', 'summary': 'Discusses jenkins plugins including email, html publisher, and parameterized trigger plugins, jenkins distributed architecture, the need for the architecture, and securing jenkins through global security settings, project matrix, custom control scripts, and security audits.', 'duration': 334.543, 'highlights': ['Jenkins distributed architecture allows running jobs on different servers for tasks like code deployment, and it can be automated by installing Jenkins slaves on each node. The distributed architecture of Jenkins enables running jobs on different servers, allowing tasks like code deployment to be automated by installing Jenkins slaves on each node.', 'Securing Jenkins involves enabling global security, restricting anonymous users, integrating with active directory, using Project Matrix to control project access, and running security audits. Securing Jenkins involves enabling global security, restricting anonymous users, integrating with active directory, using Project Matrix to control project access, and running security audits.', 'Jenkins plugins like email ext, HTML publisher, multi-slave configuration, and parameterized trigger provide functionalities for sending notifications, publishing HTML reports, configuring slaves, and building based on parameters. Jenkins plugins like email ext, HTML publisher, multi-slave configuration, and parameterized trigger provide functionalities for sending notifications, publishing HTML reports, configuring slaves, and building based on parameters.']}], 'duration': 378.316, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI1916176.jpg', 'highlights': ['The build pipeline facilitates building and deploying to different environments.', 'Essential Jenkins plugins like Git, ACM, and SSH are used for connecting with source control systems and remote execution of commands.', 'Jenkins distributed architecture enables running jobs on different servers and automating tasks like code deployment.', 'Securing Jenkins involves enabling global security, restricting anonymous users, integrating with active directory, using Project Matrix to control project access, and running security audits.', 'Jenkins plugins like email ext, HTML publisher, multi-slave configuration, and parameterized trigger provide functionalities for sending notifications, publishing HTML reports, configuring slaves, and building based on parameters.']}, {'end': 2671.333, 'segs': [{'end': 2323.65, 'src': 'embed', 'start': 2295.112, 'weight': 2, 'content': [{'end': 2297.033, 'text': 'The next thing is on the continuous integration.', 'start': 2295.112, 'duration': 1.921}, {'end': 2304.055, 'text': 'The question is, is nightly build a part of continuous integration? Actually, nightly builds are not continuous integration.', 'start': 2297.053, 'duration': 7.002}, {'end': 2307.836, 'text': 'Continuous integration means each commit should trigger a build.', 'start': 2304.135, 'duration': 3.701}, {'end': 2309.797, 'text': "That's actually continuous integration.", 'start': 2308.396, 'duration': 1.401}, {'end': 2316.507, 'text': 'If you read the book Jess Hembel, Jess Hembel clearly says that nightly bills are not continuous integration.', 'start': 2310.464, 'duration': 6.043}, {'end': 2318.187, 'text': "So that's a famous book.", 'start': 2316.967, 'duration': 1.22}, {'end': 2323.65, 'text': 'Almost all organizations actually adopted the principles defining that particular book.', 'start': 2318.347, 'duration': 5.303}], 'summary': 'Continuous integration means each commit triggers a build, not nightly builds.', 'duration': 28.538, 'max_score': 2295.112, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2295112.jpg'}, {'end': 2436.517, 'src': 'embed', 'start': 2396.291, 'weight': 5, 'content': [{'end': 2399.474, 'text': 'define a workflow that actually automatically tests the environment.', 'start': 2396.291, 'duration': 3.183}, {'end': 2404.501, 'text': 'test environment and make sure, if it is done, then continuously deploy that to production.', 'start': 2399.878, 'duration': 4.623}, {'end': 2409.104, 'text': 'So there are organizations that follow continuous deployment, continuous delivery.', 'start': 2404.521, 'duration': 4.583}, {'end': 2413.467, 'text': 'For example, Netflix does maybe 30 deployments per day.', 'start': 2409.124, 'duration': 4.343}, {'end': 2417.99, 'text': 'They do quite a lot of deployments to the production.', 'start': 2413.767, 'duration': 4.223}, {'end': 2424.254, 'text': 'So the way they do is each commit will actually trigger a continuous integration build and actually creates an artifact.', 'start': 2418.01, 'duration': 6.244}, {'end': 2427.875, 'text': 'And that artifact will be automatically deployed to a test environment.', 'start': 2424.554, 'duration': 3.321}, {'end': 2434.116, 'text': 'And then the test environment will actually, you know, the automated tests will run against that environment if they are successful.', 'start': 2428.135, 'duration': 5.981}, {'end': 2436.517, 'text': 'And it will be promoted to production immediately.', 'start': 2434.436, 'duration': 2.081}], 'summary': "Automated testing workflow ensures continuous deployment, as seen in netflix's 30 daily deployments.", 'duration': 40.226, 'max_score': 2396.291, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2396291.jpg'}, {'end': 2566.082, 'src': 'embed', 'start': 2532.07, 'weight': 0, 'content': [{'end': 2537.674, 'text': 'And then once the configuration identification is done, then you have to manage the change, which is actually change management.', 'start': 2532.07, 'duration': 5.604}, {'end': 2544.078, 'text': 'And change management is like each change has to be deployed properly and rolled back in the event of a failure.', 'start': 2538.114, 'duration': 5.964}, {'end': 2546.3, 'text': "So that's actually configuration change management.", 'start': 2544.218, 'duration': 2.082}, {'end': 2548.722, 'text': 'And configuration status accounting.', 'start': 2546.98, 'duration': 1.742}, {'end': 2554.389, 'text': "So that's what actually it provides a status whether the configuration item is working properly or not.", 'start': 2548.802, 'duration': 5.587}, {'end': 2557.232, 'text': 'And this is used for reporting purposes.', 'start': 2555.45, 'duration': 1.782}, {'end': 2559.515, 'text': 'And then the next thing is configuration audit.', 'start': 2557.432, 'duration': 2.083}, {'end': 2562.958, 'text': 'Verify the consistency of the documentation against the actual product.', 'start': 2559.575, 'duration': 3.383}, {'end': 2566.082, 'text': 'These are the principles of configuration management.', 'start': 2563.741, 'duration': 2.341}], 'summary': 'Configuration management involves change management, status accounting, reporting, and audit to ensure proper deployment and consistency.', 'duration': 34.012, 'max_score': 2532.07, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2532070.jpg'}], 'start': 2295.112, 'title': 'Ci/cd and configuration management', 'summary': 'Explores ci/cd principles, including the distinction between nightly builds and continuous integration, as well as continuous deployment and delivery. it also covers configuration management principles, emphasizing change management and infrastructure as code, while discussing the evolution of devops.', 'chapters': [{'end': 2335.375, 'start': 2295.112, 'title': 'Ci/cd principles and nightly builds', 'summary': 'Discusses the distinction between nightly builds and continuous integration, emphasizing that continuous integration involves triggering a build with each commit. it also briefly touches on the difference between continuous integration and continuous deployment.', 'duration': 40.263, 'highlights': ["Continuous integration means each commit should trigger a build, according to the principles defined in the book 'Jess Hembel'.", "Nightly builds are not considered continuous integration, as per the widely adopted principles in 'Jess Hembel's book'.", 'The distinction between continuous integration and continuous deployment is briefly acknowledged as a significant question.']}, {'end': 2531.65, 'start': 2336.095, 'title': 'Continuous integration and deployment', 'summary': 'Explains continuous integration, continuous deployment, and continuous delivery, with netflix as an example of 30 deployments per day, and then delves into the phases and components of continuous configuration management.', 'duration': 195.555, 'highlights': ["Continuous delivery includes deploying to testing environments and automated promotion to production, as seen with Netflix's 30 deployments per day. Netflix performs approximately 30 deployments per day, where each commit triggers a continuous integration build, and the artifact is automatically deployed to a test environment. If tests are successful, it is promoted to production immediately.", 'Continuous integration involves quickly building the code to get feedback on the success of the build and running corresponding tests. Continuous integration focuses on rapidly building the code to receive feedback on the success of the build and runs corresponding tests for each command.', 'Continuous deployment ensures that every build generates an artifact that is continuously deployed in an environment for testing. Continuous deployment involves generating an artifact with each build and continuously deploying it in an environment to conduct testing.', 'Configuration management involves identifying, storing, and managing the configuration information of resources or assets, such as servers. Configuration management encompasses identifying, storing, and managing the configuration information of resources or assets, including servers, by phases like configuration identification and using tools like Chef, Puppet, or Ansible for automation.']}, {'end': 2671.333, 'start': 2532.07, 'title': 'Configuration management principles', 'summary': 'Discusses the principles of configuration management, including change management, configuration status accounting, and infrastructure as code, emphasizing the differences between asset management and configuration management, and the evolution of devops from these principles.', 'duration': 139.263, 'highlights': ['Infrastructure as code emphasizes provisioning and environment starting with code, as a key principle of configuration management and the foundation of DevOps. Infrastructure as code involves provisioning and environment starting with code, forming the foundation of DevOps.', 'Explanation of the key differences between asset management and configuration management, including focus areas and perspectives. Asset management focuses on financial aspects and logistics, while configuration management is from an operations perspective, ITIL based, and focused on troubleshooting.', 'Description of the principles of configuration management, including change management, configuration status accounting, and configuration audit. The principles of configuration management encompass change management, configuration status accounting, and configuration audit to ensure proper deployment and status verification.']}], 'duration': 376.221, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2295112.jpg', 'highlights': ["Continuous integration means each commit should trigger a build, according to the principles defined in the book 'Jess Hembel'.", "Continuous delivery includes deploying to testing environments and automated promotion to production, as seen with Netflix's 30 deployments per day.", 'Infrastructure as code emphasizes provisioning and environment starting with code, as a key principle of configuration management and the foundation of DevOps.', "Nightly builds are not considered continuous integration, as per the widely adopted principles in 'Jess Hembel's book'.", 'Continuous deployment ensures that every build generates an artifact that is continuously deployed in an environment for testing.', 'Configuration management involves identifying, storing, and managing the configuration information of resources or assets, such as servers.', 'Explanation of the key differences between asset management and configuration management, including focus areas and perspectives.', 'The distinction between continuous integration and continuous deployment is briefly acknowledged as a significant question.']}, {'end': 3356.735, 'segs': [{'end': 2855.021, 'src': 'embed', 'start': 2827.777, 'weight': 0, 'content': [{'end': 2834.784, 'text': 'number of packages that needs to be installed and so or number of configuration changes that needs to be done on a particular slave.', 'start': 2827.777, 'duration': 7.007}, {'end': 2838.408, 'text': "So slave actually compares the catalog information, see if there's a deviation.", 'start': 2835.104, 'duration': 3.304}, {'end': 2842.492, 'text': "Say, for example, there's one line that needs to be changed in a conf file right?", 'start': 2838.448, 'duration': 4.044}, {'end': 2845.294, 'text': 'So in that conf file one line needs information needs to be changed.', 'start': 2842.572, 'duration': 2.722}, {'end': 2855.021, 'text': 'so PuppetSlave identifies this change and then It actually does the change once the catalog is pushed from the master server and then reports back the results right?', 'start': 2845.294, 'duration': 9.727}], 'summary': 'Puppetslave identifies and makes configuration changes based on catalog information from the master server.', 'duration': 27.244, 'max_score': 2827.777, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2827777.jpg'}, {'end': 3132.471, 'src': 'embed', 'start': 3103.126, 'weight': 4, 'content': [{'end': 3109.491, 'text': 'So you do operations like changing the Chef server information using Chef workstation.', 'start': 3103.126, 'duration': 6.365}, {'end': 3114.277, 'text': 'And then Chef actually server pushes that information to the Chef nodes right?', 'start': 3110.014, 'duration': 4.263}, {'end': 3121.843, 'text': 'And see, if you see this here, on the left side says Chef client runs on node retrieving configuration information from the Chef server.', 'start': 3114.798, 'duration': 7.045}, {'end': 3132.471, 'text': 'And Chef client and Knife uses API clients to talk to Chef server, right? And Knife is used to communicate with nodes using SSH.', 'start': 3122.343, 'duration': 10.128}], 'summary': 'Chef server pushes information to nodes; chef client retrieves config from server.', 'duration': 29.345, 'max_score': 3103.126, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3103126.jpg'}, {'end': 3249.619, 'src': 'embed', 'start': 3209.732, 'weight': 2, 'content': [{'end': 3215.654, 'text': 'And then when you actually combine the recipe with all the templates and variables and all, it can be called as a cookbook.', 'start': 3209.732, 'duration': 5.922}, {'end': 3218.034, 'text': 'And there can be various recipes.', 'start': 3216.054, 'duration': 1.98}, {'end': 3221.455, 'text': 'So together, you can combine several recipes as one cookbook.', 'start': 3218.295, 'duration': 3.16}, {'end': 3226.737, 'text': 'So just like manifest is equal to recipe, and then module is basically like a cookbook.', 'start': 3221.836, 'duration': 4.901}, {'end': 3228.397, 'text': 'So in Puppet, you call module.', 'start': 3226.977, 'duration': 1.42}, {'end': 3230.798, 'text': 'In Chef, you can call it as a cookbook.', 'start': 3228.937, 'duration': 1.861}, {'end': 3237.975, 'text': 'and in puppet you call manifest the same thing you can call as a recipient Jeff Right, so here, package HTTPD.', 'start': 3231.238, 'duration': 6.737}, {'end': 3239.935, 'text': 'Now, package is basically a resource.', 'start': 3238.035, 'duration': 1.9}, {'end': 3241.576, 'text': "It's called a resource in JEP.", 'start': 3240.175, 'duration': 1.401}, {'end': 3243.357, 'text': "And it's a predefined resource.", 'start': 3241.956, 'duration': 1.401}, {'end': 3249.619, 'text': "And when you define package HTTPD, actually, it'll install a package called HTTPD.", 'start': 3243.877, 'duration': 5.742}], 'summary': 'Combining recipes and templates forms a cookbook with predefined resources, like installing package httpd.', 'duration': 39.887, 'max_score': 3209.732, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3209732.jpg'}, {'end': 3370.693, 'src': 'embed', 'start': 3341.422, 'weight': 1, 'content': [{'end': 3344.185, 'text': 'And if you specify an action called create, it actually creates.', 'start': 3341.422, 'duration': 2.763}, {'end': 3348.428, 'text': "Even if you don't define, action create is a default action for file resource.", 'start': 3344.265, 'duration': 4.163}, {'end': 3350.37, 'text': "So that's why it actually gets executed.", 'start': 3348.548, 'duration': 1.822}, {'end': 3354.993, 'text': "So because create is the file resource's default action, so it creates it.", 'start': 3350.51, 'duration': 4.483}, {'end': 3356.735, 'text': 'Another entry question.', 'start': 3355.814, 'duration': 0.921}, {'end': 3364.585, 'text': 'So the different question is, are these two check recipes the same? So what is the difference? The first one, it starts with package httpd.', 'start': 3356.795, 'duration': 7.79}, {'end': 3367.849, 'text': 'Service httpd do action enables start any.', 'start': 3364.906, 'duration': 2.943}, {'end': 3370.693, 'text': 'The next one is, it starts with service instead of package.', 'start': 3368.27, 'duration': 2.423}], 'summary': "Default action 'create' executes for file resource. different syntax for package and service in recipes.", 'duration': 29.271, 'max_score': 3341.422, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3341422.jpg'}], 'start': 2671.413, 'title': 'Iac, puppet, and chef', 'summary': 'Covers infrastructure as code (iac), push and pull in configuration management, and how puppet works, along with details on puppet modules and manifests, and key terms and architecture of chef.', 'chapters': [{'end': 2865.028, 'start': 2671.413, 'title': 'Iac and configuration management', 'summary': 'Explains infrastructure as code (iac), the difference between push and pull in configuration management, and how puppet works in managing configuration changes and reporting.', 'duration': 193.615, 'highlights': ['Puppet uses a push-based mechanism and has a master and slave concept for managing configuration changes. Puppet uses a push-based mechanism for configuration management and follows a master and slave concept for managing configuration changes.', 'The centralized server in configuration management can either push changes to nodes or the nodes can pull updates from the server. In configuration management, the centralized server can push changes to nodes or the nodes can pull updates from the server, depending on the mechanism used.', 'Puppet slaves send facts (configuration information) to the master using SSL encryption, and the master sends catalog information back to the slaves for comparison and change implementation. Puppet slaves send configuration information (facts) to the master using SSL encryption, and the master sends catalog information back to the slaves for comparison and change implementation.']}, {'end': 3356.735, 'start': 2865.848, 'title': 'Puppet and chef modules and manifests', 'summary': 'Explains the modules and manifests in puppet, including the use of manifests to store configuration information and the combination of manifests to create modules, while also detailing the key terms and architecture of chef, such as chef server, chef node, and chef workstation, as well as the process of writing and testing recipes and cookbooks.', 'duration': 490.887, 'highlights': ["Manifests store configuration information in Puppet's native language and are used to perform activities on a node server, while modules are combinations of such manifests that can be reused. Manifests store configuration information in Puppet's native language and are used to perform activities on a node server. Modules are combinations of such manifests, allowing for code organization and reuse.", "Puppet modules are collections of manifests and data, such as facts, files, and templates, used for organizing Puppet's code, while Chef's architecture includes key components like Chef server, Chef node, and Chef workstation, with the latter being used to initiate Chef commands. Puppet modules are collections of manifests and data, such as facts, files, and templates, used for organizing Puppet's code. Chef's architecture includes key components like Chef server, Chef node, and Chef workstation, with the latter being used to initiate Chef commands.", "In Chef, a cookbook is a collection of code written in Chef DSL language, defining packages and services to be deployed on a particular node, and the process of uploading configuration changes to the Chef server is carried out using commands like 'knife upload'. In Chef, a cookbook is a collection of code written in Chef DSL language, defining packages and services to be deployed on a particular node. The process of uploading configuration changes to the Chef server is carried out using commands like 'knife upload'."]}], 'duration': 685.322, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI2671413.jpg', 'highlights': ['Puppet uses a push-based mechanism and has a master and slave concept for managing configuration changes.', 'The centralized server in configuration management can either push changes to nodes or the nodes can pull updates from the server.', 'Puppet slaves send facts (configuration information) to the master using SSL encryption, and the master sends catalog information back to the slaves for comparison and change implementation.', "Manifests store configuration information in Puppet's native language and are used to perform activities on a node server, while modules are combinations of such manifests that can be reused.", "Puppet modules are collections of manifests and data, such as facts, files, and templates, used for organizing Puppet's code, while Chef's architecture includes key components like Chef server, Chef node, and Chef workstation, with the latter being used to initiate Chef commands.", "In Chef, a cookbook is a collection of code written in Chef DSL language, defining packages and services to be deployed on a particular node, and the process of uploading configuration changes to the Chef server is carried out using commands like 'knife upload'."]}, {'end': 3959.448, 'segs': [{'end': 3404.329, 'src': 'embed', 'start': 3377.116, 'weight': 2, 'content': [{'end': 3381.277, 'text': 'So by seeing at this, the way that Chef works is it works sequentially from the top to down.', 'start': 3377.116, 'duration': 4.161}, {'end': 3384.839, 'text': 'So the first one is correct because it installs the package and then starts it.', 'start': 3381.337, 'duration': 3.502}, {'end': 3389.061, 'text': "The second one is incorrect because it's starting the service and then installing the package.", 'start': 3384.879, 'duration': 4.182}, {'end': 3391.081, 'text': "But that's wrong.", 'start': 3389.461, 'duration': 1.62}, {'end': 3394.163, 'text': 'You have to install package first in order to start the service.', 'start': 3391.181, 'duration': 2.982}, {'end': 3395.443, 'text': 'Otherwise, it will fail.', 'start': 3394.443, 'duration': 1}, {'end': 3396.984, 'text': 'It says the package does not exist.', 'start': 3395.463, 'duration': 1.521}, {'end': 3398.905, 'text': 'So the first one is correct.', 'start': 3397.464, 'duration': 1.441}, {'end': 3404.329, 'text': 'So, the answer is no, they are not because the CHEP applies resources in order they appear.', 'start': 3399.725, 'duration': 4.604}], 'summary': 'Chef works sequentially; installing package before starting service is crucial to avoid failure.', 'duration': 27.213, 'max_score': 3377.116, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3377116.jpg'}, {'end': 3584.828, 'src': 'embed', 'start': 3555.703, 'weight': 0, 'content': [{'end': 3558.165, 'text': 'The next thing is how Ansible architecture looks like.', 'start': 3555.703, 'duration': 2.462}, {'end': 3561.228, 'text': 'So as I mentioned, like Ansible inventory.', 'start': 3559.447, 'duration': 1.781}, {'end': 3564.951, 'text': "Inventory is basically the host, the number of hosts that you're managing.", 'start': 3561.308, 'duration': 3.643}, {'end': 3566.933, 'text': 'And then it has something called a playbook.', 'start': 3565.332, 'duration': 1.601}, {'end': 3569.295, 'text': 'Now playbook is the same as the cookbook.', 'start': 3566.973, 'duration': 2.322}, {'end': 3573.518, 'text': 'Playbook has modules and then APIs and plugins, all these things.', 'start': 3569.355, 'duration': 4.163}, {'end': 3578.883, 'text': 'So each playbook uses some modules, it uses APIs and it uses plugins.', 'start': 3574.539, 'duration': 4.344}, {'end': 3584.828, 'text': 'A playbook is basically code that you write and that calls these various existing predefined module.', 'start': 3578.943, 'duration': 5.885}], 'summary': 'Ansible architecture includes inventory, playbooks, modules, apis, and plugins.', 'duration': 29.125, 'max_score': 3555.703, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3555703.jpg'}, {'end': 3942.68, 'src': 'embed', 'start': 3910.625, 'weight': 1, 'content': [{'end': 3914.47, 'text': "So probably your default option would be to choose Chef if you're using cloud.", 'start': 3910.625, 'duration': 3.845}, {'end': 3916.933, 'text': 'But Puppet also equally powerful.', 'start': 3914.71, 'duration': 2.223}, {'end': 3920.417, 'text': 'You can still use Puppet to provision AWS cloud.', 'start': 3916.953, 'duration': 3.464}, {'end': 3926.785, 'text': 'Most of the people I use with those who use OpenStack, they actually use Puppet widely.', 'start': 3921.499, 'duration': 5.286}, {'end': 3929.168, 'text': 'you know, how you work with.', 'start': 3927.526, 'duration': 1.642}, {'end': 3935.874, 'text': "So my understanding is Puppet goes well with if you're using OpenStack, and Jeff goes well if you're using with AWS.", 'start': 3929.208, 'duration': 6.666}, {'end': 3942.68, 'text': "Again, it's just the default, but you still can reverse it and it works exactly the same and even much better sometimes, right?", 'start': 3936.034, 'duration': 6.646}], 'summary': 'Puppet widely used with openstack, chef with aws, but can be reversed for better results.', 'duration': 32.055, 'max_score': 3910.625, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3910625.jpg'}], 'start': 3356.795, 'title': 'Comparing chef and ansible', 'summary': 'Compares chef and ansible, highlighting the push-based mechanism of ansible, its ability to manage multiple hosts efficiently, and the flexibility of choosing between chef and ansible for cloud provisioning.', 'chapters': [{'end': 3616.238, 'start': 3356.795, 'title': 'Chef and ansible comparison', 'summary': 'Compares two different chef recipes and explains the sequential execution of chef resources. it then discusses the push-based mechanism of ansible, the absence of an ansible agent, and its ability to manage multiple hosts efficiently through playbooks, highlighting the advantages of using ansible over traditional chef.', 'duration': 259.443, 'highlights': ['Ansible is a push-based CM tool, not a pull-based. Ansible works on a push-based mechanism, allowing the user to push changes to various nodes without requiring an Ansible Agent on each managed node. This provides efficient management of multiple hosts through playbooks.', 'Sequential execution of Chef resources is explained. The first Chef recipe ensures the HTTP package is installed before configuring the service, while the second recipe configures the service before ensuring the package is installed, which is incorrect.', 'Advantages of using Ansible over traditional Chef are discussed. The advantage of not needing to install an agent on each managed box and the efficiency of managing multiple hosts through playbooks are highlighted, emphasizing the superiority of Ansible over traditional Chef.']}, {'end': 3959.448, 'start': 3616.799, 'title': 'Ansible push mechanism and configuration management tools', 'summary': 'Discusses the prevalence of the push mechanism in ansible, the purpose of configuration management tools like chef, ansible, and puppet, and the flexibility of choosing between puppet and chef for cloud provisioning.', 'duration': 342.649, 'highlights': ['Ansible is famous for push and widely used for push mechanism. Ansible is predominantly known for its push mechanism, which is the popular way of using Ansible.', 'Configuration management tools like Chef, Ansible, and Puppet are used to manage consistency between environments and deploy configuration information. Configuration management tools are employed to ensure consistency across environments and deploy configuration information using playbooks, cookbooks, and Puppet modules.', "The flexibility of choosing between Puppet and Chef for cloud provisioning depends on the person's experience and interests. The choice between Puppet and Chef for cloud provisioning depends on the individual's experience and interests, with AWS favoring Chef and OpenStack favoring Puppet."]}], 'duration': 602.653, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3356795.jpg', 'highlights': ['Ansible is a push-based CM tool, not a pull-based, allowing efficient management of multiple hosts through playbooks.', 'Advantages of using Ansible over traditional Chef are highlighted, emphasizing the superiority of Ansible.', 'Configuration management tools like Chef, Ansible, and Puppet are employed to ensure consistency across environments and deploy configuration information.']}, {'end': 4522.736, 'segs': [{'end': 3982.441, 'src': 'embed', 'start': 3959.448, 'weight': 0, 'content': [{'end': 3966.512, 'text': "you want to install provision servers and then using provisioning servers can be done by push mechanism because it's a one-time activity.", 'start': 3959.448, 'duration': 7.064}, {'end': 3974.476, 'text': "But pull mechanism is to kind of once your provision and then it's connected to an environment and you have to keep on receiving the updates.", 'start': 3967.112, 'duration': 7.364}, {'end': 3977.478, 'text': 'And for that purpose, you can use pull mechanism.', 'start': 3974.636, 'duration': 2.842}, {'end': 3982.441, 'text': 'The next question is it can be done by creating Docker images and uploading it onto the Docker.', 'start': 3977.838, 'duration': 4.603}], 'summary': 'Provision servers using push mechanism for one-time activity, while pull mechanism is for receiving updates. docker images can be used for this purpose.', 'duration': 22.993, 'max_score': 3959.448, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3959448.jpg'}, {'end': 4061.743, 'src': 'embed', 'start': 4014.265, 'weight': 1, 'content': [{'end': 4020.088, 'text': "So you're identifying the potential failures in advance rather than after some time.", 'start': 4014.265, 'duration': 5.823}, {'end': 4021.389, 'text': "So it's being proactive.", 'start': 4020.108, 'duration': 1.281}, {'end': 4023.971, 'text': 'So this is done by solutions.', 'start': 4021.949, 'duration': 2.022}, {'end': 4029.995, 'text': 'This solution addresses continuous auditing, monitoring, and transaction inspection.', 'start': 4023.991, 'duration': 6.004}, {'end': 4032.356, 'text': 'You are inspecting certain things.', 'start': 4030.615, 'duration': 1.741}, {'end': 4036.46, 'text': "Now why we need continuous monitoring and that's what we have seen.", 'start': 4032.857, 'duration': 3.603}, {'end': 4040.463, 'text': 'What does Nagios work for? So we are going to cover here Nagios.', 'start': 4037.12, 'duration': 3.343}, {'end': 4041.604, 'text': 'How does it work?', 'start': 4040.703, 'duration': 0.901}, {'end': 4051.352, 'text': 'So Nagios is an open source monitoring tool and this open source monitoring tool is used for monitoring your various applications and, basically,', 'start': 4042.004, 'duration': 9.348}, {'end': 4053.574, 'text': 'Nagios, it actually is a server.', 'start': 4051.352, 'duration': 2.222}, {'end': 4057.897, 'text': 'It runs based on centralized Nagios server.', 'start': 4053.674, 'duration': 4.223}, {'end': 4061.743, 'text': 'you actually installed in your server module in a particular server.', 'start': 4058.737, 'duration': 3.006}], 'summary': 'Proactive identification of failures through continuous monitoring with nagios, an open-source tool for inspecting and addressing potential issues.', 'duration': 47.478, 'max_score': 4014.265, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI4014265.jpg'}], 'start': 3959.448, 'title': 'Server provisioning and monitoring with nagios', 'summary': 'Details the installation of provisioning servers, continuous monitoring importance, and the workings of nagios. it also covers managing remote hosts with nagios, including installation of nrpe, monitoring processes, and dealing with flapping occurrences.', 'chapters': [{'end': 4186.013, 'start': 3959.448, 'title': 'Provisioning servers and continuous monitoring', 'summary': 'Covers the installation of provisioning servers using push and pull mechanisms, the importance of continuous monitoring for timely problem identification and expense reduction, and the detailed workings of nagios as an open source monitoring tool for servers and applications.', 'duration': 226.565, 'highlights': ['The chapter covers the installation of provisioning servers using push and pull mechanisms. The push mechanism is a one-time activity, while the pull mechanism requires ongoing updates.', 'Continuous monitoring is important for timely problem identification and expense reduction. It allows proactive identification of potential failures, reducing financial and reputational damage for organizations.', 'Nagios is an open source monitoring tool used for monitoring various applications and servers, based on a centralized server-agent model. It runs as a server module and uses plugins to monitor CPU, memory, and other server resources, with the ability to manage remote agents.']}, {'end': 4522.736, 'start': 4186.514, 'title': 'Managing remote hosts with nagios', 'summary': 'Covers the installation of nagios remote plugin executor (nrpe) on a remote host, the monitoring process using nrpe to check various parameters like disk space, load, httpd, and ftp, the difference between active and passive checks in nagios, and how nagios deals with flapping occurrences.', 'duration': 336.222, 'highlights': ['The installation of Nagios Remote Plugin Executor (NRPE) on a remote host is essential for managing remote hosts with Nagios. NRPE is used to monitor various information such as disk space, load, httpd, and ftp on a remote Linux or Unix host.', 'The monitoring host runs a module called check nrp, which connects to the NRPE service using SSL to monitor parameters like disk space, load, httpd, and ftp. The monitoring host utilizes the check nrp module to connect to the NRPE service via SSL for monitoring various parameters on the remote host.', 'Understanding the difference between active and passive checks in Nagios is crucial, where active checks are initiated by Nagios and passive checks are performed by external applications. Active checks are initiated by Nagios on a scheduled basis, while passive checks are performed by external applications, making them useful for monitoring asynchronous services and servers located behind firewalls.', 'Nagios deals with flapping occurrences by analyzing the history of checks and determining the percentage of state changes to identify flapping states in hosts or services. Nagios stores the results of the last 21 checks and uses state transitions to determine the percentage of change, identifying flapping states when the present state change exceeds the high flapping threshold.']}], 'duration': 563.288, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI3959448.jpg', 'highlights': ['Continuous monitoring is crucial for timely problem identification and expense reduction, allowing proactive identification of potential failures.', 'The push mechanism for installation of provisioning servers is a one-time activity, while the pull mechanism requires ongoing updates.', 'Nagios, an open source monitoring tool, uses a centralized server-agent model and plugins to monitor CPU, memory, and other server resources.', 'NRPE is essential for monitoring various information such as disk space, load, httpd, and ftp on a remote Linux or Unix host.', 'Understanding the difference between active and passive checks in Nagios is crucial for effective monitoring.', 'Nagios deals with flapping occurrences by analyzing the history of checks and determining the percentage of state changes to identify flapping states.']}, {'end': 4951.505, 'segs': [{'end': 4775.215, 'src': 'embed', 'start': 4733.7, 'weight': 2, 'content': [{'end': 4741.608, 'text': 'you can run app1 binary on the same box and app2 binary on the same box and app3 with separate binaries and libraries on the same machine.', 'start': 4733.7, 'duration': 7.908}, {'end': 4744.942, 'text': 'actually used for microservice purposes.', 'start': 4743.081, 'duration': 1.861}, {'end': 4750.647, 'text': 'Next question is, imagine a scenario where a large application is broken into small composable pieces.', 'start': 4745.663, 'duration': 4.984}, {'end': 4753.529, 'text': 'Each of those pieces have their own set of dependencies.', 'start': 4750.667, 'duration': 2.862}, {'end': 4758.752, 'text': 'Let us call these dependencies, these pieces, as microservices.', 'start': 4754.369, 'duration': 4.383}, {'end': 4765.037, 'text': 'So microservices are actually, you broke the application into small, small applications which can be run independently.', 'start': 4758.812, 'duration': 6.225}, {'end': 4767.305, 'text': 'and which has its own dependencies.', 'start': 4765.603, 'duration': 1.702}, {'end': 4771.59, 'text': "And so you're actually breaking your large application into small microservices.", 'start': 4767.565, 'duration': 4.025}, {'end': 4775.215, 'text': 'And in order to run each of these microservices, what will you use?', 'start': 4772.231, 'duration': 2.984}], 'summary': 'Microservices break large application into small, independent pieces with own dependencies.', 'duration': 41.515, 'max_score': 4733.7, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI4733700.jpg'}, {'end': 4879.683, 'src': 'embed', 'start': 4840.9, 'weight': 0, 'content': [{'end': 4848.024, 'text': 'so when you actually start this docker file, it will create a new container with all the rules that you have defined in this docker file.', 'start': 4840.9, 'duration': 7.124}, {'end': 4851.305, 'text': "so actually what you're doing is you're actually the first thing.", 'start': 4848.024, 'duration': 3.281}, {'end': 4854.527, 'text': 'always in a docker file is from Ubuntu, from.', 'start': 4851.305, 'duration': 3.222}, {'end': 4858.349, 'text': 'And then the image, the base, we call it as a base image.', 'start': 4855.087, 'duration': 3.262}, {'end': 4866.855, 'text': 'So the base image can be Ubuntu, can be Red Heart, or can be AP Linux, Alpine Linux, or it can be a Windows.', 'start': 4858.91, 'duration': 7.945}, {'end': 4868.677, 'text': 'Nowadays we have Windows.', 'start': 4867.176, 'duration': 1.501}, {'end': 4874.741, 'text': 'So they are very lightweight, small images stored in something called either a Docker Hub.', 'start': 4868.817, 'duration': 5.924}, {'end': 4879.683, 'text': 'which is actually a public registry of where all Docker images are stored.', 'start': 4875.101, 'duration': 4.582}], 'summary': 'Docker file creates new containers with defined rules from base images like ubuntu, red hat, or windows, stored in docker hub.', 'duration': 38.783, 'max_score': 4840.9, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI4840900.jpg'}], 'start': 4522.896, 'title': 'Nagios, splunk, and containers', 'summary': 'Discusses the flapping threshold in nagios, its comparison with splunk, and the use of nagios in openstack. it also highlights the differences and benefits of containers, emphasizing their lightweight nature and resource efficiency for running microservices.', 'chapters': [{'end': 4571.235, 'start': 4522.896, 'title': 'Nagios monitoring and comparison with splunk', 'summary': 'Discusses the flapping threshold in nagios determined by the first 21 checks, its comparison with splunk, and mentions that nagios is widely used but complicated to install and manage, while openstack uses nagios as its default monitoring tool.', 'duration': 48.339, 'highlights': ['Nagios flapping threshold is determined by the first 21 checks, making it a key factor in determining flapping status.', 'Nagios is widely used and has a lot of support, while Splunk is considered a little bit easier to use than Nagios, requiring less expertise.', 'OpenStack uses Nagios as its default monitoring tool, indicating its widespread adoption and importance in the industry.']}, {'end': 4733.7, 'start': 4571.716, 'title': 'Containers vs virtualization', 'summary': 'Discusses the concepts of virtualization and containerization, highlighting the differences and benefits of containers, which can run lightweight applications independently on the host machine, without the need for separate virtual boxes, thus reducing resource consumption and providing a separate runtime environment for each container.', 'duration': 161.984, 'highlights': ['Containers allow lightweight applications to run independently on the host machine, reducing resource consumption and providing a separate runtime environment for each container.', 'Virtualization involves splitting a big box into multiple virtual boxes, each requiring resources like memory, CPU, and disk space.', 'Container images are small, ranging from 10 MB to 100 MB, compared to virtual box images, which can be up to several gigabytes.']}, {'end': 4951.505, 'start': 4733.7, 'title': 'Microservices and containers', 'summary': 'Discusses the advantages of using containers over virtual machines for running microservices, emphasizing the lightweight nature, resource efficiency, and the process of creating a docker file to build and run a mongodb image.', 'duration': 217.805, 'highlights': ['Containers are preferred over virtual machines for running microservices due to their lightweight nature, requiring minimal CPU and memory resources, leading to efficient use of physical infrastructure. Containers do not require extensive CPU or memory resources compared to virtual machines, making them an efficient choice for running microservices.', 'Docker files are used to define and create containers, with the example illustrating the process of creating a MongoDB image by pulling a base image, updating the repository, and installing MongoDB. The explanation of creating a Docker file to build and run a MongoDB image demonstrates the process of pulling a base image, updating the repository, and executing commands to install MongoDB.', 'The process of creating a Docker file involves defining a base image, pulling it into the host machine, updating the repository, and executing commands to set up the desired environment, as demonstrated in the example of setting up a MongoDB image. The detailed explanation of the steps involved in creating a Docker file, such as pulling a base image, updating the repository, and executing commands to set up the desired environment, is provided through the example of setting up a MongoDB image.']}], 'duration': 428.609, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI4522896.jpg', 'highlights': ['Nagios flapping threshold is determined by the first 21 checks, making it a key factor in determining flapping status.', 'OpenStack uses Nagios as its default monitoring tool, indicating its widespread adoption and importance in the industry.', 'Nagios is widely used and has a lot of support, while Splunk is considered a little bit easier to use than Nagios, requiring less expertise.', 'Containers allow lightweight applications to run independently on the host machine, reducing resource consumption and providing a separate runtime environment for each container.', 'Container images are small, ranging from 10 MB to 100 MB, compared to virtual box images, which can be up to several gigabytes.', 'Containers are preferred over virtual machines for running microservices due to their lightweight nature, requiring minimal CPU and memory resources, leading to efficient use of physical infrastructure.']}, {'end': 5603.436, 'segs': [{'end': 5085.071, 'src': 'embed', 'start': 5060.24, 'weight': 5, 'content': [{'end': 5065.721, 'text': 'And then in order to test this particular thing, whether it works or not, you can actually use the dockerization mechanism.', 'start': 5060.24, 'duration': 5.481}, {'end': 5070.483, 'text': 'So you write a Docker file, and the Docker file will run from, say, Ubuntu.', 'start': 5066.161, 'duration': 4.322}, {'end': 5075.866, 'text': 'And then you install, run the commands like apt-get update and apt-install httpd.', 'start': 5070.864, 'duration': 5.002}, {'end': 5085.071, 'text': 'And then you run a copy command that actually copies your code from your Git repository to the container, and then run your httpd application.', 'start': 5075.906, 'duration': 9.165}], 'summary': 'Test the mechanism using docker, running commands like apt-get update and apt-install httpd, and copying code from git repository to the container.', 'duration': 24.831, 'max_score': 5060.24, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI5060240.jpg'}, {'end': 5307.387, 'src': 'embed', 'start': 5278.819, 'weight': 0, 'content': [{'end': 5280.6, 'text': 'So what you need to do is for LAMP stack.', 'start': 5278.819, 'duration': 1.781}, {'end': 5288.966, 'text': 'you need Linux, which obviously is your application, and, for example, Apache or Nginx, and then MySQL and then PHP.', 'start': 5280.6, 'duration': 8.366}, {'end': 5290.868, 'text': 'You want to install all these things, you can write A.', 'start': 5289.006, 'duration': 1.862}, {'end': 5296.574, 'text': "For example, if you're using Chef, you can write a cookbook to define,", 'start': 5291.468, 'duration': 5.106}, {'end': 5303.522, 'text': 'to install package like dependent packages in one single cookbook and then run the cookbook against that particular node,', 'start': 5296.574, 'duration': 6.948}, {'end': 5305.785, 'text': 'and that actually installs the LAMP stack.', 'start': 5303.522, 'duration': 2.263}, {'end': 5307.387, 'text': "That's actually a good example.", 'start': 5306.065, 'duration': 1.322}], 'summary': 'To set up a lamp stack, use chef to install linux, apache or nginx, mysql, and php with a cookbook for efficient installation.', 'duration': 28.568, 'max_score': 5278.819, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI5278819.jpg'}, {'end': 5603.436, 'src': 'embed', 'start': 5599.113, 'weight': 3, 'content': [{'end': 5602.495, 'text': 'Do look out for more videos in our playlist and subscribe to our Edureka channel to learn more.', 'start': 5599.113, 'duration': 3.382}, {'end': 5603.436, 'text': 'Happy learning.', 'start': 5602.976, 'duration': 0.46}], 'summary': 'Subscribe to edureka channel for more videos and learning.', 'duration': 4.323, 'max_score': 5599.113, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI5599113.jpg'}], 'start': 4951.505, 'title': 'Mongodb setup in docker and docker for sdlc', 'summary': 'Discusses setting up mongodb in a docker container, including updating repository, installing mongodb 10gen, and using entry point usrbin mongodb mongod. it also explains docker usage in sdlc, covering creating docker images, continuous integration, and docker compose for deploying multiple containers, emphasizing benefits for software development and microservice architecture.', 'chapters': [{'end': 5022.827, 'start': 4951.505, 'title': 'Setting up mongodb in docker', 'summary': 'Discusses the process of setting up mongodb in a docker container, including updating the repository, installing mongodb 10gen, exposing port number 27017, running the cmd with the same port, and using entry point usrbin mongodb mongod.', 'duration': 71.322, 'highlights': ["Setting up MongoDB in a Docker container involves updating the repository with 'apt-get update' and installing MongoDB 10gen. The process includes updating the repository with 'apt-get update' and installing MongoDB 10gen.", 'Exposing port number 27017 is crucial for the host machine to recognize the port and access MongoDB running in the container. Exposing port number 27017 is crucial for the host machine to recognize the port and access MongoDB running in the container.', "Running the CMD with '--port 27017' and using entry point 'usrbin mongodb mongod' are essential steps in the process of creating the Docker image for MongoDB. Running the CMD with '--port 27017' and using entry point 'usrbin mongodb mongod' are essential steps in the process of creating the Docker image for MongoDB."]}, {'end': 5603.436, 'start': 5022.827, 'title': 'Docker for sdlc', 'summary': 'Explains how docker is used for sdlc, including creating docker images, using docker for continuous integration, and the use of docker compose for deploying multiple containers, highlighting its benefits for consistency and agility in software development and microservice architecture.', 'duration': 580.609, 'highlights': ['Docker provides a consistent computing environment through SDLC, allowing for the creation of Docker images, integration with Jenkins for continuous integration, and spinning up staging and production environments with the same Docker file and code.', 'Docker Compose allows the deployment of multiple containers with a single command, providing agility and ease in managing complex application deployments.', 'The introduction of DevOps was aimed at facilitating microservice architecture and improving agility and release quality, making it a mandatory requirement for microservices and beneficial for all service-oriented architectures.', 'Chef and Puppet are used for provisioning a brand new server, while Docker is used for running small containers on a host machine, and combining them together results in more enterprise-wide practices.']}], 'duration': 651.931, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/clZgb8GA6xI/pics/clZgb8GA6xI4951505.jpg', 'highlights': ["Setting up MongoDB in a Docker container involves updating the repository with 'apt-get update' and installing MongoDB 10gen.", 'Exposing port number 27017 is crucial for the host machine to recognize the port and access MongoDB running in the container.', "Running the CMD with '--port 27017' and using entry point 'usrbin mongodb mongod' are essential steps in the process of creating the Docker image for MongoDB.", 'Docker provides a consistent computing environment through SDLC, allowing for the creation of Docker images, integration with Jenkins for continuous integration, and spinning up staging and production environments with the same Docker file and code.', 'Docker Compose allows the deployment of multiple containers with a single command, providing agility and ease in managing complex application deployments.', 'The introduction of DevOps was aimed at facilitating microservice architecture and improving agility and release quality, making it a mandatory requirement for microservices and beneficial for all service-oriented architectures.']}], 'highlights': ['Code is deployed 30 times more frequently with DevOps practices in place. Implementing DevOps practices enables code deployment 30 times more frequently.', 'Using adopting DevOps practices and principles, you can reduce the failure rate of new releases to 50%. DevOps practices can lead to a 50% reduction in the failure rate of new releases.', 'The DevOps market is growing at a rate of 20% every end of the decade. The DevOps market is experiencing significant growth, reaching a 20% increase every decade.', 'DevOps practitioners are paid very well, with starting salaries reaching between 100,000 and 120,000 USD per annum in the US. The salaries for DevOps practitioners start at a high range, between 100,000 and 120,000 USD per annum in the US.', '77% of organizations are moving towards DevOps company-wide. 77% of organizations are adopting DevOps company-wide.', 'Continuous monitoring in DevOps leads to faster and reliable software development, shorter lead times, and quicker recovery times in the event of an incident or failure.', 'The integration of various DevOps tools such as Git, Maven, Nexus, Jenkins, Selenium, Puppet, Chef, Ansible, and Docker in a comprehensive DevOps pipeline.', 'Continuous integration ensures that every commit is immediately compiled, built, and integrated with the main code, with feedback provided on success or failure.', 'The build pipeline facilitates building and deploying to different environments.', "Continuous integration means each commit should trigger a build, according to the principles defined in the book 'Jess Hembel'.", "Continuous delivery includes deploying to testing environments and automated promotion to production, as seen with Netflix's 30 deployments per day.", 'Infrastructure as code emphasizes provisioning and environment starting with code, as a key principle of configuration management and the foundation of DevOps.', 'Puppet uses a push-based mechanism and has a master and slave concept for managing configuration changes.', 'Ansible is a push-based CM tool, not a pull-based, allowing efficient management of multiple hosts through playbooks.', 'Continuous monitoring is crucial for timely problem identification and expense reduction, allowing proactive identification of potential failures.', 'Nagios, an open source monitoring tool, uses a centralized server-agent model and plugins to monitor CPU, memory, and other server resources.', 'Containers allow lightweight applications to run independently on the host machine, reducing resource consumption and providing a separate runtime environment for each container.', "Setting up MongoDB in a Docker container involves updating the repository with 'apt-get update' and installing MongoDB 10gen.", 'Docker provides a consistent computing environment through SDLC, allowing for the creation of Docker images, integration with Jenkins for continuous integration, and spinning up staging and production environments with the same Docker file and code.']}