title
DevOps Tutorial - 1 | DevOps Tutorial for Beginners - 1 | DevOps Training | Edureka

description
🔥𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐃𝐞𝐯𝐎𝐩𝐬 𝐏𝐨𝐬𝐭 𝐆𝐫𝐚𝐝𝐮𝐚𝐭𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦 𝐰𝐢𝐭𝐡 𝐏𝐮𝐫𝐝𝐮𝐞 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲: https://www.edureka.co/executive-programs/purdue-devops This DevOps Tutorial explains issues faced in IT industry and how DevOps addresses them. It also helps you understand the important tools used for automation in the DevOps culture. DevOps playlist here: http://goo.gl/O2vo13 DevOps Tutorial Blog Series: https://goo.gl/8QSeMQ 1.Understand DevOps, its roles & necessities 2.DevOps Problems and solutions 2.Make a DevOps Transition 3.Devops as the Solution 4.What is Devops 5.Why Devops 6.Benefits of Devops 7.Learn to identify cultural impediments and overcome it. 8.Understand about Building Accountability and Trust 9.Understand the Infrastructure layouts and its challenges 10.learn about Scalability and Availabilty 11.learn about networking Concepts from an enterprise prospective Other Related Blog Post: http://goo.gl/VOr5cS http://goo.gl/22IHcy Subscribe to our channel to get video updates. Hit the subscribe button above. #DevOps #DevOpsTraining #DevOpsTutorial #DevOpsTools How it Works? 1. This is a 4 Week Instructor led Online Course. 2. Course consists of 24 hours of online classes, 25 hours of assignment, 20 hours of project 3. We have a 24x7 One-on-One LIVE Technical Support to help you with any problems you might face or any clarifications you may require during the course. 4. You will get Lifetime Access to the recordings in the LMS. 5. At the end of the training you will have to complete the project based on which we will provide you a Verifiable Certificate! - - - - - - - - - - - - - - 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). Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka 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 Tutorial - 1 | DevOps Tutorial for Beginners - 1 | DevOps Training | Edureka', 'heatmap': [{'end': 3160.845, 'start': 3088.03, 'weight': 0.993}, {'end': 3483.708, 'start': 3355.071, 'weight': 1}], 'summary': 'This devops tutorial covers fundamentals, challenges, evolution of automation, devops impact on server operations, it technologies, principles, practices, challenges, infrastructure, scalability, and networking. it emphasizes the importance of reducing manual intervention, cultural shifts, and the impact of integration in a larger server environment, with insights into the skills, adoption, and lifecycle stages of devops.', 'chapters': [{'end': 187.389, 'segs': [{'end': 125.133, 'src': 'embed', 'start': 6.007, 'weight': 1, 'content': [{'end': 13.529, 'text': "So the course topics, so what we're gonna do today is introduction to DevOps and its necessities.", 'start': 6.007, 'duration': 7.522}, {'end': 20.591, 'text': 'Then we understand what are the components that get into the creation of a DevOps infrastructure.', 'start': 14.489, 'duration': 6.102}, {'end': 28.793, 'text': 'We understand the module three, we would understand the automated installations and deployment.', 'start': 21.551, 'duration': 7.242}, {'end': 39.097, 'text': 'For module 4, we understand what are the performance aspects and basic security for infrastructure.', 'start': 31.235, 'duration': 7.862}, {'end': 48.54, 'text': 'Module 5, we get into the scripting and language Python.', 'start': 41.018, 'duration': 7.522}, {'end': 53.361, 'text': '7, we understand the virtualization and its concept.', 'start': 48.56, 'duration': 4.801}, {'end': 56.982, 'text': 'We understand in module 7 what are the monitoring and logging.', 'start': 53.781, 'duration': 3.201}, {'end': 67.507, 'text': 'and the various devops tools and commands that would actually create this whole infrastructure and as well, as you know,', 'start': 58.041, 'duration': 9.466}, {'end': 71.549, 'text': 'the skills that would need to be for each one of these courses.', 'start': 67.507, 'duration': 4.042}, {'end': 84.217, 'text': 'so objective understand devops for this particular module, its role and necessities.', 'start': 71.549, 'duration': 12.668}, {'end': 90.374, 'text': 'Know about DevOps problem and solutions.', 'start': 85.772, 'duration': 4.602}, {'end': 93.336, 'text': 'Make DevOps transition.', 'start': 90.695, 'duration': 2.641}, {'end': 100.699, 'text': 'How do you adopt a transition for DevOps? Learn to identify cultural increments and overcome it.', 'start': 93.436, 'duration': 7.263}, {'end': 103.821, 'text': 'Understand about building accountability and trust.', 'start': 100.939, 'duration': 2.882}, {'end': 114.243, 'text': 'understand the infrastructure layout and its challenges, learn about scalability, learn how networking, the whole concept of networking,', 'start': 105.135, 'duration': 9.108}, {'end': 116.785, 'text': 'fits into this DevOps framework.', 'start': 114.243, 'duration': 2.542}, {'end': 120.148, 'text': 'So this is the agenda for this particular module.', 'start': 116.826, 'duration': 3.322}, {'end': 125.133, 'text': "And let's see how we go about doing each one of them.", 'start': 121.57, 'duration': 3.563}], 'summary': 'Introduction to devops, modules cover performance, security, python scripting, virtualization, monitoring, and infrastructure challenges.', 'duration': 119.126, 'max_score': 6.007, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6007.jpg'}, {'end': 187.389, 'src': 'embed', 'start': 158.296, 'weight': 0, 'content': [{'end': 169.124, 'text': 'come back and say that they want a particular feature to be started, you know, to be launched in just a week or two weeks, and things like that now.', 'start': 158.296, 'duration': 10.828}, {'end': 171.486, 'text': 'this is not been the case earlier.', 'start': 169.124, 'duration': 2.362}, {'end': 179.293, 'text': 'earlier, everything we had, we used to take a lot of time on how to go about doing it so now.', 'start': 171.486, 'duration': 7.807}, {'end': 183.726, 'text': 'So now this has not been the case as such.', 'start': 180.562, 'duration': 3.164}, {'end': 187.389, 'text': 'So developers always look for changes.', 'start': 185.107, 'duration': 2.282}], 'summary': 'Developers now work faster with new feature launches in one to two weeks.', 'duration': 29.093, 'max_score': 158.296, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE158296.jpg'}], 'start': 6.007, 'title': 'Devops fundamentals and challenges', 'summary': 'Provides an introduction to devops, covering course topics, infrastructure components, automated installations and deployment, performance aspects, basic security, python scripting, virtualization, monitoring, logging, and various devops tools. it also delves into the necessity of devops, challenges faced by developers, and the need for quick feature launches, emphasizing cultural and infrastructure challenges, scalability, and networking in devops.', 'chapters': [{'end': 71.549, 'start': 6.007, 'title': 'Introduction to devops', 'summary': 'Covers the introduction to devops, including the course topics, the components of devops infrastructure, automated installations and deployment, performance aspects, basic security for infrastructure, python scripting, virtualization, monitoring and logging, and various devops tools and commands.', 'duration': 65.542, 'highlights': ['We understand the module three, where we would understand the automated installations and deployment.', 'Module 7 covers the monitoring and logging, and the various DevOps tools and commands for creating the infrastructure.', 'Module 4 focuses on the performance aspects and basic security for the infrastructure.', 'Module 5 delves into the scripting and language Python.', 'Module 7 also covers the concept of virtualization.']}, {'end': 187.389, 'start': 71.549, 'title': 'Understanding devops and its challenges', 'summary': 'Discusses the necessity of devops, problems faced by developers, and the need for quick feature launches, emphasizing the cultural and infrastructure challenges, and the need for scalability and networking in devops.', 'duration': 115.84, 'highlights': ['Developers require quick feature launches, with businesses demanding features to be launched in just a week or two weeks, highlighting the need for agility and speed in the development process.', 'Understanding the cultural increments and challenges in transitioning to DevOps, emphasizing the importance of overcoming cultural resistance for successful adoption.', 'Importance of infrastructure layout and challenges, including scalability and networking within the DevOps framework, highlighting the need to understand and address these aspects for successful DevOps implementation.']}], 'duration': 181.382, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6007.jpg', 'highlights': ['Developers require quick feature launches, with businesses demanding features to be launched in just a week or two weeks, highlighting the need for agility and speed in the development process.', 'Understanding the cultural increments and challenges in transitioning to DevOps, emphasizing the importance of overcoming cultural resistance for successful adoption.', 'Importance of infrastructure layout and challenges, including scalability and networking within the DevOps framework, highlighting the need to understand and address these aspects for successful DevOps implementation.', 'Module 7 covers the monitoring and logging, and the various DevOps tools and commands for creating the infrastructure.', 'Module 5 delves into the scripting and language Python.', 'Module 4 focuses on the performance aspects and basic security for the infrastructure.', 'Module 7 also covers the concept of virtualization.', 'We understand the module three, where we would understand the automated installations and deployment.']}, {'end': 784.247, 'segs': [{'end': 218.74, 'src': 'embed', 'start': 187.79, 'weight': 1, 'content': [{'end': 192.054, 'text': 'They try to implement every new techniques introduced,', 'start': 187.79, 'duration': 4.264}, {'end': 198.201, 'text': 'whereas operations say change is the enemy for operations and is not reliable and leads to instability.', 'start': 192.054, 'duration': 6.147}, {'end': 204.275, 'text': 'where do the devops going to come and fit in?', 'start': 201.814, 'duration': 2.461}, {'end': 209.357, 'text': 'and was devops earlier there to solve this problem?', 'start': 204.275, 'duration': 5.082}, {'end': 218.74, 'text': 'see now, much before this word devops came in, we already had automation, or the word was automation then, at various levels.', 'start': 209.357, 'duration': 9.383}], 'summary': 'Struggle between operations and new techniques; devops seeks to address instability with automation.', 'duration': 30.95, 'max_score': 187.79, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE187790.jpg'}, {'end': 283.157, 'src': 'embed', 'start': 246.044, 'weight': 2, 'content': [{'end': 255.349, 'text': 'So network-based installation was one of the first attempts to start work in an uninteractive way.', 'start': 246.044, 'duration': 9.305}, {'end': 263.961, 'text': "so that you don't require a lot of attention of the operators to get some work done.", 'start': 256.851, 'duration': 7.11}, {'end': 274.735, 'text': 'This way, we made sure that we could just need to click a few buttons or so, we would get the work done.', 'start': 265.173, 'duration': 9.562}, {'end': 283.157, 'text': 'This was one of the starting points of the automation that came in, but was automation only at that level?', 'start': 275.376, 'duration': 7.781}], 'summary': 'Network-based installation reduced operator attention, requiring only a few clicks for automation.', 'duration': 37.113, 'max_score': 246.044, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE246044.jpg'}, {'end': 481.18, 'src': 'embed', 'start': 448.294, 'weight': 0, 'content': [{'end': 455.199, 'text': 'So when, you know, earlier we were only dealing with, you know, maybe 40 servers, 50 servers, 100 servers.', 'start': 448.294, 'duration': 6.905}, {'end': 466.207, 'text': "So there we didn't have so much of a problem working in an isolated way where devs would do their job and ops would do their job.", 'start': 455.639, 'duration': 10.568}, {'end': 477.155, 'text': 'But when the servers have ranges in thousands, I mean, somebody thought about this is not the way to work.', 'start': 467.048, 'duration': 10.107}, {'end': 481.18, 'text': 'Okay, we have to bring in some kind of integration.', 'start': 478.379, 'duration': 2.801}], 'summary': 'Previously managed 40-100 servers, now facing challenges with thousands, prompting integration.', 'duration': 32.886, 'max_score': 448.294, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE448294.jpg'}], 'start': 187.79, 'title': 'Evolution of automation in operations and integrating dev and ops tools', 'summary': 'Discusses the historical evolution of automation in operations and the challenges of integrating development and operations tools, emphasizing the importance of reducing manual intervention, synergy between development and operations, and the impact of integration in a larger server environment.', 'chapters': [{'end': 283.157, 'start': 187.79, 'title': 'Evolution of automation in operations', 'summary': 'Discusses the historical evolution of automation in operations, highlighting the early adoption of network-based installation as a precursor to the concept of devops, emphasizing the importance of reducing manual intervention for increased efficiency and stability.', 'duration': 95.367, 'highlights': ['The introduction of network-based installation was an early attempt at uninteractive work, reducing the need for operator attention and marking the beginning of automation in operations.', 'Operations traditionally viewed change as unreliable and destabilizing, creating a conflict with the implementation of new techniques, emphasizing the need for DevOps to bridge the gap and enhance stability and reliability.', 'Early automation efforts existed prior to the popularization of DevOps, exemplified by the availability of automation features such as network interface card installation, predating widespread organizational adoption of DevOps principles.']}, {'end': 784.247, 'start': 283.557, 'title': 'Integrating dev and ops tools', 'summary': 'Discusses the challenges of integrating development and operations tools, the need for synergy between the two, and the benefits of collaborative problem-solving, as well as the impact of integration in a larger server environment.', 'duration': 500.69, 'highlights': ['The challenge of integrating development and operations tools is discussed, highlighting the difficulties in integrating different tools and the lack of integration between DevOps tools, with a clear distinction between development and operations platforms being outlined.', 'The need for integration becomes apparent in larger server environments, with the shift from isolated work to collaborative problem-solving emphasized, demonstrating the benefits of synergy between development and operations teams in isolating and resolving issues effectively.', 'The distinct roles of development and operations teams are outlined, emphasizing their separate responsibilities and areas of expertise, while also highlighting the benefits of collaborative problem-solving when both teams work together to isolate and address issues in their respective domains.']}], 'duration': 596.457, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE187790.jpg', 'highlights': ['The need for integration becomes apparent in larger server environments, with the shift from isolated work to collaborative problem-solving emphasized, demonstrating the benefits of synergy between development and operations teams in isolating and resolving issues effectively.', 'Operations traditionally viewed change as unreliable and destabilizing, creating a conflict with the implementation of new techniques, emphasizing the need for DevOps to bridge the gap and enhance stability and reliability.', 'The introduction of network-based installation was an early attempt at uninteractive work, reducing the need for operator attention and marking the beginning of automation in operations.']}, {'end': 1390.129, 'segs': [{'end': 845.949, 'src': 'embed', 'start': 785.748, 'weight': 0, 'content': [{'end': 790.35, 'text': "So nobody gets into the other's job as such.", 'start': 785.748, 'duration': 4.602}, {'end': 792.511, 'text': 'They are still working on their own way.', 'start': 790.85, 'duration': 1.661}, {'end': 805.202, 'text': 'But what comes into the picture here is the way they operate and way the operators themselves manage these entire systems.', 'start': 793.055, 'duration': 12.147}, {'end': 812.365, 'text': 'Because scenarios we are looking here is not like the only scenarios where we have 5 servers and 10 servers, we are looking into hundreds of servers.', 'start': 805.402, 'duration': 6.963}, {'end': 816.908, 'text': 'So the way they operate has to be in a different way compared to what they have done previously.', 'start': 812.646, 'duration': 4.262}, {'end': 826.784, 'text': 'Now yes, if something is gone bad and then we roll back.', 'start': 819.877, 'duration': 6.907}, {'end': 830.448, 'text': "So that's the standard procedure in any of these operations.", 'start': 827.805, 'duration': 2.643}, {'end': 840.998, 'text': 'Now what I want to emphasize here also, imagine if this code had gone to say 100 servers and you want to roll back.', 'start': 830.868, 'duration': 10.13}, {'end': 845.949, 'text': 'And you want to do this in less than five minutes.', 'start': 841.823, 'duration': 4.126}], 'summary': 'Operators manage hundreds of servers, needing efficient operations and quick rollbacks.', 'duration': 60.201, 'max_score': 785.748, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE785748.jpg'}, {'end': 977.59, 'src': 'embed', 'start': 937.535, 'weight': 2, 'content': [{'end': 942.697, 'text': 'So this whole process itself actually gets automated these days.', 'start': 937.535, 'duration': 5.162}, {'end': 952.461, 'text': 'and to do this process of automation now here, when I say process of automation, that is build,', 'start': 942.697, 'duration': 9.764}, {'end': 959.739, 'text': 'when I say build and package and push it into the push it into the deployment tool.', 'start': 952.461, 'duration': 7.278}, {'end': 967.406, 'text': 'So most of the time this is kind of handled.', 'start': 961.46, 'duration': 5.946}, {'end': 977.59, 'text': 'this is normally handled by the developer themselves, but I know of scenarios in bigger organizations.', 'start': 967.406, 'duration': 10.184}], 'summary': 'Automation of build, package, and deployment is handled by developers in many organizations.', 'duration': 40.055, 'max_score': 937.535, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE937535.jpg'}, {'end': 1099.951, 'src': 'embed', 'start': 1072.224, 'weight': 3, 'content': [{'end': 1080.278, 'text': 'But it is the operational guys who enhances his skills than actually the developers who enhance their skills.', 'start': 1072.224, 'duration': 8.054}, {'end': 1085.456, 'text': "But that doesn't stop a developer from coming into the DevOps space.", 'start': 1081.072, 'duration': 4.384}, {'end': 1095.887, 'text': 'But moving into a DevOps space, what it means is he is leaving his existing dev work and moving towards an operations side.', 'start': 1085.657, 'duration': 10.23}, {'end': 1099.951, 'text': 'I hope this is making it clear to everybody now.', 'start': 1095.927, 'duration': 4.024}], 'summary': 'Developers enhancing skills in devops, transitioning from dev to ops.', 'duration': 27.727, 'max_score': 1072.224, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1072224.jpg'}, {'end': 1272.837, 'src': 'embed', 'start': 1238.813, 'weight': 4, 'content': [{'end': 1240.414, 'text': 'These questions are very interesting as well.', 'start': 1238.813, 'duration': 1.601}, {'end': 1245.839, 'text': "So that's why I'm giving a little emphasis on answering the questions as I go through the slides.", 'start': 1240.915, 'duration': 4.924}, {'end': 1249.383, 'text': 'Now, Habib has a question here on the layered products.', 'start': 1246.86, 'duration': 2.523}, {'end': 1259.032, 'text': 'is the expectation that DevOps engineers should know OS and also all these middleware technologies.', 'start': 1250.248, 'duration': 8.784}, {'end': 1269.536, 'text': 'Yeah, yes and no.', 'start': 1262.013, 'duration': 7.523}, {'end': 1272.837, 'text': "I'll give you a scenario which I used to work at.", 'start': 1270.816, 'duration': 2.021}], 'summary': "Discussion on devops engineers' knowledge expectations regarding os and middleware technologies.", 'duration': 34.024, 'max_score': 1238.813, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1238813.jpg'}], 'start': 785.748, 'title': 'Devops impact on server operations and automation', 'summary': 'Discusses how devops impacts server operations, emphasizing the need for efficient management of systems with hundreds of servers and the use of tools to achieve rapid rollbacks, completing the process in less than five minutes. it also covers automation of build processes and the wide scope of dev and ops roles in devops, with a particular focus on the need for development skills in ops engineers.', 'chapters': [{'end': 904.121, 'start': 785.748, 'title': 'The impact of devops on server operations', 'summary': 'Discusses how devops impacts server operations, emphasizing the need for efficient management of systems with hundreds of servers and the use of tools to achieve rapid rollbacks, such as completing the process in less than five minutes to accommodate website traffic.', 'duration': 118.373, 'highlights': ['The need for efficient management of systems with hundreds of servers', 'The use of tools to achieve rapid rollbacks, such as completing the process in less than five minutes to accommodate website traffic', 'Emphasizing the impact of DevOps on server operations and the necessity for a different approach compared to traditional methods']}, {'end': 1390.129, 'start': 909.471, 'title': 'Automation and skills in devops', 'summary': 'Discusses the automation of build processes and the involvement of devops engineers in build automation, emphasizing the enhancement of skills for operations by operational guys in devops and the wide scope of dev and ops roles in devops, with a particular focus on the need for development skills in ops engineers.', 'duration': 480.658, 'highlights': ['The build process, including compiling, packaging, and pushing into deployment tools, is automated, with most of it being handled by developers and occasionally by DevOps engineers in larger organizations.', 'DevOps emphasizes the enhancement of skills for operations by operational guys in DevOps and the wide scope of Dev and Ops roles in DevOps, with a particular focus on the need for development skills in ops engineers.', 'The word DevOps encompasses all people involved in developing the product and various operations disciplines, emphasizing the synchronized and cohesive way of working together without losing individuality.', 'Ops engineers in DevOps, such as DBAs or network engineers, need to add development skills to automate effectively and think about how to automate, with an example of consolidating log files from 100 web servers as a scenario requiring such skills.', 'The expectation for DevOps engineers to know OS and middleware technologies is emphasized, with an example of the need for skills in shipping and analyzing log files from multiple servers.']}], 'duration': 604.381, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE785748.jpg', 'highlights': ['The use of tools to achieve rapid rollbacks, such as completing the process in less than five minutes to accommodate website traffic', 'The need for efficient management of systems with hundreds of servers', 'The build process, including compiling, packaging, and pushing into deployment tools, is automated, with most of it being handled by developers and occasionally by DevOps engineers in larger organizations', 'DevOps emphasizes the enhancement of skills for operations by operational guys in DevOps and the wide scope of Dev and Ops roles in DevOps, with a particular focus on the need for development skills in ops engineers', 'The expectation for DevOps engineers to know OS and middleware technologies is emphasized, with an example of the need for skills in shipping and analyzing log files from multiple servers']}, {'end': 2324.712, 'segs': [{'end': 1525.126, 'src': 'embed', 'start': 1416.586, 'weight': 0, 'content': [{'end': 1424.849, 'text': 'And most of the time, most of the time, these are, you know, we today use open source tools to manage all this.', 'start': 1416.586, 'duration': 8.263}, {'end': 1433.833, 'text': 'Yeah So again, going back to the question, I think which Kishore asked, yes, do we need to know more? Yes, we need to know more.', 'start': 1424.869, 'duration': 8.964}, {'end': 1435.873, 'text': 'We need to know OS technology.', 'start': 1434.213, 'duration': 1.66}, {'end': 1438.234, 'text': 'We need to know middleware technology.', 'start': 1436.033, 'duration': 2.201}, {'end': 1440.295, 'text': 'We need to know your web technology.', 'start': 1438.274, 'duration': 2.021}, {'end': 1448.13, 'text': 'we even need to know pretty deep level of networking as well as security.', 'start': 1441.525, 'duration': 6.605}, {'end': 1453.615, 'text': "Okay, so of course I'm going to come to the security.", 'start': 1449.331, 'duration': 4.284}, {'end': 1456.977, 'text': 'I mean not too deep level but to some level.', 'start': 1453.615, 'duration': 3.362}, {'end': 1463.963, 'text': 'but you need to know networking at a pretty decent level compared to what you have probably learned previously.', 'start': 1456.977, 'duration': 6.986}, {'end': 1477.801, 'text': "Okay, so now DevOps as a solution, Instead of seeing these two groups as silos who pass things along but don't really work together.", 'start': 1466.505, 'duration': 11.296}, {'end': 1488.526, 'text': 'DevOps recognizes the interdependency of software development and IT operations and help an organization to produce software and IT services more rapidly with frequent iterations.', 'start': 1477.801, 'duration': 10.725}, {'end': 1493.249, 'text': 'Now we see that there is definitely a requirement for the synergy between these two.', 'start': 1489.967, 'duration': 3.282}, {'end': 1496.871, 'text': 'So what happens in a DevOps environment?', 'start': 1493.889, 'duration': 2.982}, {'end': 1498.635, 'text': 'the developers,', 'start': 1497.594, 'duration': 1.041}, {'end': 1509.925, 'text': "the operation engineers and the business team all work together in a more cohesive way than they've ever done before in other environments.", 'start': 1498.635, 'duration': 11.29}, {'end': 1525.126, 'text': 'So this is the kind of first test towards having more closer integration among all these guys.', 'start': 1510.445, 'duration': 14.681}], 'summary': 'Devops emphasizes synergy between developers, operations, and business, enabling rapid software production and closer integration.', 'duration': 108.54, 'max_score': 1416.586, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1416586.jpg'}, {'end': 1575.722, 'src': 'embed', 'start': 1548.779, 'weight': 5, 'content': [{'end': 1557.989, 'text': 'and also A developer can get into a DevOps job, a business guy can get into a DevOps job or a systems guy can get into a DevOps job.', 'start': 1548.779, 'duration': 9.21}, {'end': 1560.511, 'text': 'So DevOps is definitely a different set of skillsets.', 'start': 1558.009, 'duration': 2.502}, {'end': 1563.953, 'text': "I'll come into that a little later on what are the skills and all that.", 'start': 1560.571, 'duration': 3.382}, {'end': 1575.722, 'text': "But yes, it's a unique skillset to have, and it has a lot of requirements in terms of how you want to push in all these tools there.", 'start': 1564.954, 'duration': 10.768}], 'summary': 'Devops offers diverse job opportunities for developers, business professionals, and systems experts, requiring a unique skill set and proficiency in various tools.', 'duration': 26.943, 'max_score': 1548.779, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1548779.jpg'}, {'end': 1701.471, 'src': 'embed', 'start': 1667.285, 'weight': 7, 'content': [{'end': 1677.052, 'text': 'In a web scale architecture organization or the internet scale company, the internet organizations The DevOps role is very clear.', 'start': 1667.285, 'duration': 9.767}, {'end': 1685.46, 'text': 'He is a guy who knows systems and with operations very well,', 'start': 1677.072, 'duration': 8.388}, {'end': 1697.872, 'text': 'but comes with a solid set of but comes with a solid development background and he knows lot more tools than generally a system admin would know.', 'start': 1685.46, 'duration': 12.412}, {'end': 1701.471, 'text': 'When you say a system admin, you look more towards.', 'start': 1698.61, 'duration': 2.861}], 'summary': 'Devops role in web scale organizations requires solid development background and extensive knowledge of tools.', 'duration': 34.186, 'max_score': 1667.285, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1667285.jpg'}, {'end': 1873.471, 'src': 'embed', 'start': 1841.451, 'weight': 1, 'content': [{'end': 1850.258, 'text': 'Though I should emphasize here, DevOps is just not for cloud alone, but it could be for the traditional IT as well.', 'start': 1841.451, 'duration': 8.807}, {'end': 1870.63, 'text': 'But booming of the cloud and the prominence of Amazon coming in a big way, the agile methodology of development, the tools for automation, then,', 'start': 1851.358, 'duration': 19.272}, {'end': 1872.791, 'text': 'and then the theory of constraint.', 'start': 1870.63, 'duration': 2.161}, {'end': 1873.471, 'text': 'how to?', 'start': 1872.791, 'duration': 0.68}], 'summary': 'Devops is not just for cloud, but also for traditional it. booming cloud, prominence of amazon, agile methodology, automation tools, and theory of constraint are key aspects.', 'duration': 32.02, 'max_score': 1841.451, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1841451.jpg'}, {'end': 2115.786, 'src': 'embed', 'start': 2075.808, 'weight': 2, 'content': [{'end': 2085.914, 'text': 'So DevOps tools, scripting skills, coding skills, and process re-engineering skills.', 'start': 2075.808, 'duration': 10.106}, {'end': 2092.532, 'text': 'Now what is that you require to be a DevOps.', 'start': 2087.775, 'duration': 4.757}, {'end': 2100.857, 'text': 'Okay First and foremost, you need to understand the operations slash systems domain.', 'start': 2092.772, 'duration': 8.085}, {'end': 2106.14, 'text': 'So what I basically mean, you need to know system administration.', 'start': 2101.037, 'duration': 5.103}, {'end': 2115.786, 'text': 'Either, as I mean I know you could be a developer who knows it, or, as any other engineer, maybe a DB engineer.', 'start': 2106.86, 'duration': 8.926}], 'summary': 'To be a devops, you need skills in devops tools, scripting, coding, and system administration, regardless of your engineering background.', 'duration': 39.978, 'max_score': 2075.808, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE2075808.jpg'}], 'start': 1390.129, 'title': 'It technologies and devops', 'summary': 'Covers essential it technologies including open source tools, os, middleware, web tech, networking, and security. it also explores devops, its role in enhancing collaboration, and the unique skillset required, along with its rise in agile methodology and cloud computing in 2009.', 'chapters': [{'end': 1463.963, 'start': 1390.129, 'title': 'Essential technologies for it professionals', 'summary': 'Emphasizes the need for it professionals to have a strong understanding of open source tools, os technology, middleware technology, web technology, networking, and security.', 'duration': 73.834, 'highlights': ['IT professionals should have a strong understanding of open source tools, OS technology, middleware technology, web technology, networking, and security.', 'Knowledge of networking is essential at a pretty deep level compared to what may have been learned previously.', 'The use of open source tools is prevalent in managing IT infrastructure.']}, {'end': 1737.81, 'start': 1466.505, 'title': 'Understanding devops and its role', 'summary': 'Delves into the concept of devops, emphasizing its role in enhancing collaboration between software development and it operations, leading to faster software and it services production, and the unique skillset required for a devops job.', 'duration': 271.305, 'highlights': ['DevOps emphasizes the interdependency of software development and IT operations, leading to faster software and IT services production with frequent iterations.', 'In a DevOps environment, developers, operation engineers, and the business team collaborate closely, enhancing the integration among the teams.', 'DevOps requires a unique set of skillsets, enabling individuals from different backgrounds to transition into a DevOps job.', 'The DevOps role in web scale architecture organizations requires solid systems and operations knowledge, along with a strong development background and familiarity with a wide range of tools.', 'DevOps involves the practice of operations and development engineers working together throughout the entire service lifecycle, from design through development to production support.']}, {'end': 2324.712, 'start': 1743.372, 'title': 'The rise of devops in agile methodology and cloud computing', 'summary': 'Discusses the convergence of agile methodology, cloud computing, and cost reduction initiatives, leading to the emergence of devops in 2009. it highlights the importance of understanding system administration, scripting skills, and knowledge of at least one programming language such as perl or python for pursuing a career in devops.', 'duration': 581.34, 'highlights': ['The convergence of agile methodology, cloud computing, and cost reduction initiatives led to the emergence of DevOps in 2009. The chapter emphasizes the pivotal role of agile methodology, cloud computing, and cost reduction initiatives in the emergence of DevOps, marking the significant shift in development work towards agile methodology and the booming of cloud around 2008-2009.', 'Understanding system administration, scripting skills, and knowledge of at least one programming language such as Perl or Python are crucial for pursuing a career in DevOps. The importance of understanding system administration, scripting skills, and knowledge of at least one programming language such as Perl or Python is underscored, indicating their essentiality for individuals aspiring to enter the field of DevOps.']}], 'duration': 934.583, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE1390129.jpg', 'highlights': ['DevOps emphasizes the interdependency of software development and IT operations, leading to faster software and IT services production with frequent iterations.', 'The convergence of agile methodology, cloud computing, and cost reduction initiatives led to the emergence of DevOps in 2009.', 'Understanding system administration, scripting skills, and knowledge of at least one programming language such as Perl or Python are crucial for pursuing a career in DevOps.', 'IT professionals should have a strong understanding of open source tools, OS technology, middleware technology, web technology, networking, and security.', 'In a DevOps environment, developers, operation engineers, and the business team collaborate closely, enhancing the integration among the teams.', 'DevOps requires a unique set of skillsets, enabling individuals from different backgrounds to transition into a DevOps job.', 'The use of open source tools is prevalent in managing IT infrastructure.', 'The DevOps role in web scale architecture organizations requires solid systems and operations knowledge, along with a strong development background and familiarity with a wide range of tools.', 'Knowledge of networking is essential at a pretty deep level compared to what may have been learned previously.']}, {'end': 3652.842, 'segs': [{'end': 2865.078, 'src': 'embed', 'start': 2825.166, 'weight': 1, 'content': [{'end': 2832.652, 'text': 'So the automated today is what we call as continuous deployment, and for this continuous deployment to happen,', 'start': 2825.166, 'duration': 7.486}, {'end': 2837.957, 'text': 'there are various tools that we are going to use, and in this situation,', 'start': 2832.652, 'duration': 5.305}, {'end': 2850.187, 'text': 'the tools plus process plus some kind of development is going to come in to get this whole thing into a production deployment stage.', 'start': 2837.957, 'duration': 12.23}, {'end': 2865.078, 'text': "Okay, so yeah, I mean it's pretty obvious.", 'start': 2858.376, 'duration': 6.702}], 'summary': 'Implementing continuous deployment using various tools and processes for production deployment.', 'duration': 39.912, 'max_score': 2825.166, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE2825166.jpg'}, {'end': 2966.486, 'src': 'embed', 'start': 2933.106, 'weight': 0, 'content': [{'end': 2941.392, 'text': 'So DevOps in real life, Apple was one of the first companies to develop the DevOps team.', 'start': 2933.106, 'duration': 8.286}, {'end': 2948.617, 'text': "But actually what made DevOps into prominence is because of Yahoo's and Google's actually.", 'start': 2941.752, 'duration': 6.865}, {'end': 2955.322, 'text': 'They are the first to use this because their servers run into today not thousands.', 'start': 2949.198, 'duration': 6.124}, {'end': 2966.486, 'text': "It's actually hit, you know, I think nearly one or two lakhs, if I'm not wrong, definitely crossed a lakh of servers for sure.", 'start': 2955.942, 'duration': 10.544}], 'summary': 'Apple pioneered devops; yahoo and google scaled it with 100,000+ servers.', 'duration': 33.38, 'max_score': 2933.106, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE2933106.jpg'}, {'end': 3160.845, 'src': 'heatmap', 'start': 3088.03, 'weight': 0.993, 'content': [{'end': 3090.931, 'text': 'Then you have the infrastructure team.', 'start': 3088.03, 'duration': 2.901}, {'end': 3096.588, 'text': 'and the application team as such.', 'start': 3093.167, 'duration': 3.421}, {'end': 3102.029, 'text': 'Now let me just, before I wanted to, okay.', 'start': 3097.128, 'duration': 4.901}, {'end': 3120.749, 'text': 'So if you were to split this, I just skipped a couple of slides just to give you a little more meaningful way to organize the thought there.', 'start': 3106.17, 'duration': 14.579}, {'end': 3135.8, 'text': 'if you look, if you split your DevOps right, so DevOps can be split into infrastructure automation, your configuration management layer, your CI,', 'start': 3120.749, 'duration': 15.051}, {'end': 3143.165, 'text': 'your basically CI and CD are kind of merged together your CI CD layer and your monitoring layer.', 'start': 3135.8, 'duration': 7.365}, {'end': 3153.26, 'text': 'So we need tools at each of these layers to actually create the DevOps environment.', 'start': 3143.746, 'duration': 9.514}, {'end': 3160.845, 'text': 'So what we see here is each of these layers, okay.', 'start': 3153.741, 'duration': 7.104}], 'summary': 'Devops can be split into infrastructure automation, configuration management, ci/cd, and monitoring layers, each requiring specific tools.', 'duration': 72.815, 'max_score': 3088.03, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3088030.jpg'}, {'end': 3483.708, 'src': 'heatmap', 'start': 3323.054, 'weight': 3, 'content': [{'end': 3332.557, 'text': 'now all of that gets into a configuration layer, and this is what your configuration systems management takes care of.', 'start': 3323.054, 'duration': 9.503}, {'end': 3342.467, 'text': 'And after that you have to deploy all your apps and then do the full integration so that your apps is ready.', 'start': 3334.539, 'duration': 7.928}, {'end': 3350.436, 'text': 'So the whole life goes through provisioning, configuration and integration in a production cycle.', 'start': 3342.827, 'duration': 7.609}, {'end': 3357.192, 'text': 'So I think I came here.', 'start': 3355.071, 'duration': 2.121}, {'end': 3361.093, 'text': 'So you now know what tools are to be used.', 'start': 3357.372, 'duration': 3.721}, {'end': 3363.915, 'text': 'Before that, let me check if there are any questions that are coming in.', 'start': 3361.133, 'duration': 2.782}, {'end': 3381.922, 'text': 'Okay, so as you now know, there are different tools for different layers.', 'start': 3371.938, 'duration': 9.984}, {'end': 3385.872, 'text': 'And this is how this whole layer fits in.', 'start': 3382.811, 'duration': 3.061}, {'end': 3395.396, 'text': 'So the infrastructure layer, your configuration, your integration, deployment, monitoring, and there are a couple of.', 'start': 3387.073, 'duration': 8.323}, {'end': 3405.7, 'text': 'So the revision control, SEM, and virtualization, though they are not different layers, they could actually get into one of these itself.', 'start': 3395.396, 'duration': 10.304}, {'end': 3412.363, 'text': "So that's how the whole space of DevOps tools is all about.", 'start': 3408.922, 'duration': 3.441}, {'end': 3433.314, 'text': "So, by now I think you're clear with what the continuous integration and deployment is all about.", 'start': 3421.283, 'duration': 12.031}, {'end': 3438.84, 'text': 'So let me tell you the Puppet see Puppets and the like.', 'start': 3433.555, 'duration': 5.285}, {'end': 3444.425, 'text': "so it is going to be Puppet Solstack and Chef, and there's ANSI Village is also another popular.", 'start': 3438.84, 'duration': 5.585}, {'end': 3457.097, 'text': 'these particular tools will come in only after the operating system has been installed,', 'start': 3446.187, 'duration': 10.91}, {'end': 3468.127, 'text': "because for all these tools have a client-server architecture and if it's in a client-server architecture,", 'start': 3457.097, 'duration': 11.03}, {'end': 3477.002, 'text': 'There is an agent which gets into all your systems and there is this puppet server.', 'start': 3470.675, 'duration': 6.327}, {'end': 3481.106, 'text': 'Now this can be only installed once your operating system is installed.', 'start': 3477.442, 'duration': 3.664}, {'end': 3483.708, 'text': 'So that is why I am saying there are layers.', 'start': 3481.246, 'duration': 2.462}], 'summary': 'Devops lifecycle involves provisioning, configuration, integration, and tools like puppet, solstack, and chef for deployment.', 'duration': 38.039, 'max_score': 3323.054, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3323054.jpg'}, {'end': 3587.229, 'src': 'embed', 'start': 3552.002, 'weight': 2, 'content': [{'end': 3565.577, 'text': 'So once this is deployed, once your applications are deployed through your Puppet and stuff, the next thing is you need to monitor them.', 'start': 3552.002, 'duration': 13.575}, {'end': 3571.21, 'text': 'Now how do we monitor? So monitor we have a separate set of infrastructure.', 'start': 3566.525, 'duration': 4.685}, {'end': 3582.804, 'text': 'Now, this is one of the most important aspects of DevOps and I will come back to that example which I gave in the webinar,', 'start': 3571.611, 'duration': 11.193}, {'end': 3587.229, 'text': "and let's see how this monitoring plays in this whole layer.", 'start': 3582.804, 'duration': 4.425}], 'summary': 'After deployment with puppet, monitor applications using separate infrastructure, crucial in devops.', 'duration': 35.227, 'max_score': 3552.002, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3552002.jpg'}], 'start': 2324.732, 'title': 'Devops principles and practices', 'summary': 'Covers essential devops skills, continuous deployment, adoption in enterprises, and tools and infrastructure lifecycle. it emphasizes skills in unix commands, scripting, and configuration management systems, the benefits of continuous deployment, the adoption of devops by companies like apple, yahoo, and google, and the lifecycle stages of server imaging, configuration management, deployment, and monitoring.', 'chapters': [{'end': 2649.981, 'start': 2324.732, 'title': 'Essential devops skills', 'summary': 'Emphasizes the importance of re-engineering and automation in devops, highlighting the need for skills in unix commands, scripting, configuration management systems, and networking protocols, with a focus on reducing manpower and increasing automation in enterprise environments.', 'duration': 325.249, 'highlights': ['The importance of re-engineering and automation in DevOps, with a focus on reducing manpower and increasing automation in enterprise environments.', 'The need for skills in Unix commands, scripting, configuration management systems, and networking protocols.', 'The transition from traditional enterprise systems, where a larger number of engineers were required to manage systems, to a more automated and efficient approach in DevOps.', 'The emphasis on understanding networking protocols such as PHC, DHCP, and DNS in depth for a comprehensive skill set in DevOps.', 'The mention of specific configuration management systems like Puppet, Solstack, and Orchard, and the necessity of having knowledge in these tools for DevOps roles.']}, {'end': 2927.602, 'start': 2654.338, 'title': 'Continuous deployment in devops', 'summary': 'Discusses the importance of continuous deployment in devops, highlighting its ability to accelerate development cycles and enable quick adaptation to market demands, with examples from companies like amazon and the potential risks associated with fully automated processes.', 'duration': 273.264, 'highlights': ['Continuous deployment enables faster development cycles, reducing the time to make and deploy changes from weeks to days or even hours, as opposed to traditional methods. Reduction in development cycle time from weeks to days or hours.', 'Companies like Amazon, Flipkart, and Snapdeal leverage continuous deployment to quickly adapt to market demands, such as launching deals and handling surges in user traffic during special events. Examples of companies leveraging continuous deployment for quick adaptation to market demands.', 'Continuous integration (CI) offers a more careful approach to development, focusing on balancing speed and time, whereas continuous deployment (CD) is fully automated, posing potential risks such as data loss and accidental script executions, as seen in the case of Amazon. Comparison of CI and CD approaches, highlighting potential risks and the need to balance speed and caution.']}, {'end': 3257.206, 'start': 2933.106, 'title': 'Devops adoption in enterprises', 'summary': 'Discusses the emergence of devops, its adoption by companies like apple, yahoo, and google, the benefits of devops including it efficiency and automation, and the design of devops environment with layers like infrastructure automation, configuration management, ci/cd, and monitoring.', 'duration': 324.1, 'highlights': ['The emergence of DevOps is attributed to companies like Apple, Yahoo, and Google, who have been able to manage massive server numbers, reaching up to one or two lakhs, and the need for DevOps adoption in enterprise organizations is emphasized. Companies like Apple, Yahoo, and Google were among the first to develop DevOps teams to manage large server numbers, with Google reportedly having over a lakh of servers. The importance of DevOps adoption in enterprise organizations is highlighted.', 'The benefits of DevOps, including flexibility, cost avoidance, agility, and IT efficiency, are emphasized, with a focus on automation bringing consistency and reduced costs. DevOps brings benefits such as flexibility, cost avoidance, agility, and IT efficiency, with a significant focus on the automation aspect bringing consistency and cost reduction.', 'The design of a DevOps environment is discussed, emphasizing the layers including infrastructure automation, configuration management, CI/CD, and monitoring, with insights into how these layers can be organized and integrated based on organizational needs. The design of a DevOps environment is detailed, highlighting the layers such as infrastructure automation, configuration management, CI/CD, and monitoring, and providing insights into the organization and integration of these layers based on specific organizational requirements.']}, {'end': 3652.842, 'start': 3257.206, 'title': 'Devops tools and infrastructure lifecycle', 'summary': 'Discusses the data center lifecycle, emphasizing the stages of server imaging, configuration management, deployment, and monitoring in a production cycle of provisioning, configuration, and integration.', 'duration': 395.636, 'highlights': ['The lifecycle of infrastructure includes server imaging, configuration management, deployment, and monitoring in a production cycle of provisioning, configuration, and integration. The transcript emphasizes the stages of server imaging, configuration management, deployment, and monitoring in a production cycle of provisioning, configuration, and integration.', 'Different tools for different layers of infrastructure, including revision control, SEM, and virtualization, with a focus on Puppet, Solstack, Chef, and Ansible. The discussion points out the different tools for different layers of infrastructure, such as revision control, SEM, and virtualization, with a specific focus on Puppet, Solstack, Chef, and Ansible.', 'Clear distinction between the infrastructure layer, responsible for installing the operating system or hypervisor, and the configuration management layer, where tools like Puppet are utilized post infrastructure deployment. The transcript highlights the clear distinction between the infrastructure layer, responsible for installing the operating system or hypervisor, and the configuration management layer, where tools like Puppet are utilized post infrastructure deployment.', 'Importance of monitoring in the DevOps lifecycle, with a specific example of how surges in user activity can impact website performance, emphasizing the need for efficient monitoring solutions. The importance of monitoring in the DevOps lifecycle is emphasized, with a specific example of how surges in user activity can impact website performance, highlighting the need for efficient monitoring solutions.']}], 'duration': 1328.11, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE2324732.jpg', 'highlights': ['Companies like Apple, Yahoo, and Google were among the first to develop DevOps teams to manage large server numbers, with Google reportedly having over a lakh of servers. The importance of DevOps adoption in enterprise organizations is highlighted.', 'Continuous deployment enables faster development cycles, reducing the time to make and deploy changes from weeks to days or even hours, as opposed to traditional methods. Reduction in development cycle time from weeks to days or hours.', 'The importance of monitoring in the DevOps lifecycle is emphasized, with a specific example of how surges in user activity can impact website performance, highlighting the need for efficient monitoring solutions.', 'The lifecycle of infrastructure includes server imaging, configuration management, deployment, and monitoring in a production cycle of provisioning, configuration, and integration. The transcript emphasizes the stages of server imaging, configuration management, deployment, and monitoring in a production cycle of provisioning, configuration, and integration.']}, {'end': 4510.206, 'segs': [{'end': 3835.754, 'src': 'embed', 'start': 3806.59, 'weight': 2, 'content': [{'end': 3810.233, 'text': 'so a bare metal can only be provisioned that way.', 'start': 3806.59, 'duration': 3.643}, {'end': 3817.979, 'text': 'but if you are thinking of provisioning and always using puppet, then we are talking of the virtualization layer.', 'start': 3810.233, 'duration': 7.746}, {'end': 3827.066, 'text': 'so your hypervisor needs to be installed through a infrastructure automation layer,', 'start': 3817.979, 'duration': 9.087}, {'end': 3832.253, 'text': 'whereas your VM can be installed through your configuration management layer right, perfect.', 'start': 3827.066, 'duration': 5.187}, {'end': 3835.754, 'text': "So that's how you differentiate here.", 'start': 3832.553, 'duration': 3.201}], 'summary': 'Differentiate provisioning methods: bare metal vs. virtualization using puppet and infrastructure automation.', 'duration': 29.164, 'max_score': 3806.59, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3806590.jpg'}, {'end': 3992.11, 'src': 'embed', 'start': 3930.058, 'weight': 0, 'content': [{'end': 3935.823, 'text': 'So when we virtualize you are invariably reducing the server footprint.', 'start': 3930.058, 'duration': 5.765}, {'end': 3948.87, 'text': 'So consolidation is about virtualization and then, once you, once you virtualize, you have the next stage, that is the automation,', 'start': 3936.203, 'duration': 12.667}, {'end': 3950.571, 'text': 'and that is where the DevOps coming.', 'start': 3948.87, 'duration': 1.701}, {'end': 3961.838, 'text': 'So where are we in today? So today a large I think 70 to probably 80% in US have consolidated.', 'start': 3951.172, 'duration': 10.666}, {'end': 3965.433, 'text': 'have their data center consolidated.', 'start': 3962.691, 'duration': 2.742}, {'end': 3968.014, 'text': 'That means they have virtualized their environment.', 'start': 3965.473, 'duration': 2.541}, {'end': 3977.359, 'text': 'So once the environments are virtualized, the next step is nothing but automation, which is nothing but DevOps.', 'start': 3968.294, 'duration': 9.065}, {'end': 3988.747, 'text': "But is DevOps immediately necessary in an organization? or may not be, and that is where we need to push people's mindset,", 'start': 3978.68, 'duration': 10.067}, {'end': 3992.11, 'text': 'to start saying that this brings in a lot of change.', 'start': 3988.747, 'duration': 3.363}], 'summary': 'Virtualization reduces server footprint, with 70-80% data centers in the us already consolidated.', 'duration': 62.052, 'max_score': 3930.058, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3930058.jpg'}, {'end': 4112.134, 'src': 'embed', 'start': 4083.953, 'weight': 6, 'content': [{'end': 4093.406, 'text': "then I say when DevOps is coming in, that doesn't mean your system skills or service skills or storage skills are going.", 'start': 4083.953, 'duration': 9.453}, {'end': 4094.689, 'text': 'they are not.', 'start': 4093.406, 'duration': 1.283}, {'end': 4097.755, 'text': 'but you need to reskill to be relevant.', 'start': 4094.689, 'duration': 3.066}, {'end': 4098.336, 'text': 'that is more important.', 'start': 4097.755, 'duration': 0.581}, {'end': 4101.124, 'text': 'So why is automation so?', 'start': 4099.562, 'duration': 1.562}, {'end': 4106.207, 'text': 'have you had another question why is why automation is not possible without virtualization?', 'start': 4101.124, 'duration': 5.083}, {'end': 4112.134, 'text': 'Automation is definitely possible with is.', 'start': 4106.868, 'duration': 5.266}], 'summary': 'Devops requires reskilling, as automation is possible with virtualization.', 'duration': 28.181, 'max_score': 4083.953, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4083953.jpg'}, {'end': 4256.24, 'src': 'embed', 'start': 4230.956, 'weight': 4, 'content': [{'end': 4235.779, 'text': 'So because ITIL works in the traditional IT department, we need to change that to make it in the DevOps department.', 'start': 4230.956, 'duration': 4.823}, {'end': 4237.98, 'text': 'And technology, yes.', 'start': 4236.119, 'duration': 1.861}, {'end': 4245.929, 'text': 'We need to have, you know that by now, There are so many tools that are going to come in, and you know the different layers that are there.', 'start': 4238.62, 'duration': 7.309}, {'end': 4256.24, 'text': "So there's a whole set of technology, and again, as I said, you know, we are all talking of DevOps in Unix lane.", 'start': 4246.65, 'duration': 9.59}], 'summary': 'Adopt devops in place of traditional itil for tech and tools integration.', 'duration': 25.284, 'max_score': 4230.956, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4230956.jpg'}, {'end': 4331.159, 'src': 'embed', 'start': 4294.54, 'weight': 1, 'content': [{'end': 4299.624, 'text': 'As an infrastructure guy, you would need to understand where your constraints are.', 'start': 4294.54, 'duration': 5.084}, {'end': 4311.085, 'text': 'Once you know that, you can simply adopt your DevOps to remedy those bottlenecks.', 'start': 4300.598, 'duration': 10.487}, {'end': 4316.288, 'text': "And that's the whole way of adopting DevOps.", 'start': 4311.605, 'duration': 4.683}, {'end': 4319.95, 'text': 'Know your constraints and see how do you automate that stuff.', 'start': 4316.588, 'duration': 3.362}, {'end': 4328.436, 'text': 'Okay, so again, we know we need to have the right tools, the right.', 'start': 4321.691, 'duration': 6.745}, {'end': 4331.159, 'text': 'culture within the system.', 'start': 4329.858, 'duration': 1.301}], 'summary': 'Understanding constraints is key for adopting devops, automate to remedy bottlenecks, and ensure right tools and culture within the system.', 'duration': 36.619, 'max_score': 4294.54, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4294540.jpg'}], 'start': 3653.202, 'title': 'Devops challenges', 'summary': 'Discusses challenges of implementing and adopting devops, including technical hurdles, cultural shift, automation impact, and the need for process and technology changes. it emphasizes the importance of addressing infrastructure constraints and the transition to a devops environment through automation and infrastructure understanding.', 'chapters': [{'end': 3992.11, 'start': 3653.202, 'title': 'Devops implementation challenges', 'summary': "Discusses the challenges of implementing devops in an enterprise, emphasizing the technical challenges, virtualization, and automation as key steps, and the need to change people's mindset.", 'duration': 338.908, 'highlights': ['The need for DevOps implementation in an enterprise due to virtualization and automation, with 70 to 80% of US organizations having already consolidated their data centers through virtualization.', 'The importance of understanding the integration of event triggers and the development of a complete pipeline by DevOps engineers to handle infrastructure scaling triggered by monitoring data.', 'Explanation of the differentiation between provisioning bare metal and virtualization layers using infrastructure automation and configuration management tools.']}, {'end': 4510.206, 'start': 3992.411, 'title': 'Challenges in devops adoption', 'summary': 'Discusses the challenges in adopting devops, including resistance to change, the need for reskilling, the impact of automation, the cultural shift required, and the importance of identifying and addressing constraints in infrastructure. it also emphasizes the need for process and technology changes and highlights the transition to a devops environment through automation and infrastructure understanding.', 'duration': 517.795, 'highlights': ['The transition to a DevOps environment through automation and infrastructure understanding Emphasizes the importance of understanding infrastructure and the process of transitioning to a DevOps environment through automation.', 'The need for process and technology changes in adopting DevOps Discusses the need for changes in processes and technology to successfully adopt DevOps.', 'The impact of automation on DevOps adoption Discusses the impact of automation on DevOps adoption and the importance of automating various processes.', 'Resistance to change and the need for reskilling in DevOps adoption Highlights the resistance to change and the importance of reskilling to stay relevant in the context of DevOps adoption.', 'Identifying and addressing constraints in infrastructure for successful DevOps adoption Emphasizes the need to identify and address constraints in infrastructure to successfully adopt DevOps.']}], 'duration': 857.004, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE3653202.jpg', 'highlights': ['70 to 80% of US organizations have consolidated their data centers through virtualization, emphasizing the need for DevOps implementation.', 'DevOps engineers need to develop a complete pipeline to handle infrastructure scaling triggered by monitoring data, emphasizing the importance of understanding event triggers.', 'Infrastructure automation and configuration management tools differentiate between provisioning bare metal and virtualization layers.', 'The transition to a DevOps environment through automation and infrastructure understanding is crucial for successful adoption.', 'Changes in processes and technology are necessary for successful adoption of DevOps.', 'Automation has a significant impact on DevOps adoption, emphasizing the importance of automating various processes.', 'Reskilling is important to stay relevant in the context of DevOps adoption, highlighting the resistance to change and the need for reskilling.', 'Identifying and addressing constraints in infrastructure is crucial for successful DevOps adoption.']}, {'end': 5294.643, 'segs': [{'end': 4739.511, 'src': 'embed', 'start': 4715.359, 'weight': 3, 'content': [{'end': 4727.701, 'text': 'So now the challenges in enterprise for DevOps is far, far more than in an organization like the internet company.', 'start': 4715.359, 'duration': 12.342}, {'end': 4734.284, 'text': "Now. that is one thing that you need to keep in mind, and that's where the complexity is coming,", 'start': 4728.496, 'duration': 5.788}, {'end': 4739.511, 'text': 'and you need to know much more how to integrate a heterogeneous environment.', 'start': 4734.284, 'duration': 5.227}], 'summary': 'Challenges in enterprise devops are far greater than in internet companies, requiring expertise in integrating heterogeneous environments.', 'duration': 24.152, 'max_score': 4715.359, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4715359.jpg'}, {'end': 4903.096, 'src': 'embed', 'start': 4873.691, 'weight': 0, 'content': [{'end': 4881.053, 'text': 'Now, if you take one of their servers, the whole power consumption of an equivalent server in an enterprise would be at least.', 'start': 4873.691, 'duration': 7.362}, {'end': 4885.105, 'text': '10, 20, I mean 30% more than what they have.', 'start': 4882.784, 'duration': 2.321}, {'end': 4886.526, 'text': 'And how do they achieve?', 'start': 4885.605, 'duration': 0.921}, {'end': 4897.793, 'text': 'They achieve by various things like they will completely eliminate all these unnecessary ports like USBs.', 'start': 4887.106, 'duration': 10.687}, {'end': 4899.634, 'text': 'remove your CD ROMs out.', 'start': 4897.793, 'duration': 1.841}, {'end': 4901.795, 'text': 'remove your keyboard ports.', 'start': 4899.634, 'duration': 2.161}, {'end': 4903.096, 'text': 'remove your mouse ports.', 'start': 4901.795, 'duration': 1.301}], 'summary': 'Their servers consume 30% less power by eliminating unnecessary ports and components.', 'duration': 29.405, 'max_score': 4873.691, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4873691.jpg'}, {'end': 5065.451, 'src': 'embed', 'start': 5038.758, 'weight': 1, 'content': [{'end': 5051.705, 'text': 'yes, we do, but the advantages are much, much more, because all vertical scaling devices are very complex to manage and if they fail, If they fail,', 'start': 5038.758, 'duration': 12.947}, {'end': 5054.666, 'text': 'then the consequences are so much.', 'start': 5051.705, 'duration': 2.961}, {'end': 5065.451, 'text': "Now, what happens in a horizontal scaling system? If a box fails, I won't be worried because it is just one among the hundred box which is failed.", 'start': 5055.047, 'duration': 10.404}], 'summary': 'Horizontal scaling has a significant advantage as it reduces complexity and risk by distributing failures among multiple devices.', 'duration': 26.693, 'max_score': 5038.758, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5038758.jpg'}, {'end': 5169.978, 'src': 'embed', 'start': 5139.082, 'weight': 2, 'content': [{'end': 5143.065, 'text': 'What does NoSQL do? It helps you to scale horizontally.', 'start': 5139.082, 'duration': 3.983}, {'end': 5151.554, 'text': 'NoSQL databases help you to scale horizontally, just like how you would have scaled in a in a web layer.', 'start': 5143.245, 'duration': 8.309}, {'end': 5158.996, 'text': 'If I had, if I require, if I want more people connecting to my web, I just need to put a server behind the load balancer.', 'start': 5151.834, 'duration': 7.162}, {'end': 5159.556, 'text': "And that's it.", 'start': 5159.116, 'duration': 0.44}, {'end': 5160.376, 'text': 'I can handle them.', 'start': 5159.736, 'duration': 0.64}, {'end': 5164.257, 'text': "But can I do the same with my DB layer earlier? I couldn't.", 'start': 5161.076, 'duration': 3.181}, {'end': 5169.978, 'text': "But now with the NoSQL coming in, I just need to plug in a NoSQL server and it's up here.", 'start': 5164.537, 'duration': 5.441}], 'summary': 'Nosql allows horizontal scaling, simplifying the addition of servers for handling increased web traffic.', 'duration': 30.896, 'max_score': 5139.082, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5139082.jpg'}], 'start': 4510.906, 'title': 'Infrastructure, devops, scalability, and server design', 'summary': 'Discusses the impact of virtualization on operational expenses, challenges of implementing devops in heterogeneous enterprise environments, and explores the scalability and server design practices of internet companies like facebook, yahoo, and google, including power reduction and horizontal scaling over vertical scaling, and the role of nosql databases in enabling horizontal scaling for the db layer.', 'chapters': [{'end': 4816.043, 'start': 4510.906, 'title': 'Infrastructure and devops', 'summary': 'Discusses the importance of understanding infrastructure and virtualization in the context of devops, highlighting the impact of virtualization on operational expenses and the challenges of implementing devops in heterogeneous enterprise environments.', 'duration': 305.137, 'highlights': ['The concept of virtualization introduced OPEX-based operations, enabling faster server provisioning compared to the previous CapEx-based operations. Virtualization brought in the concept of OPEX-based operations, allowing for quicker server provisioning compared to the previous CapEx-based operations, leading to significant time savings.', 'Enterprises face challenges in implementing DevOps due to the heterogeneous nature of their environments, requiring integration of diverse servers, virtualization, and applications. Enterprises encounter challenges in implementing DevOps due to the heterogeneous nature of their environments, necessitating the integration of diverse servers, virtualization, and applications.', 'Homogeneous environments in internet companies simplify DevOps, while enterprises with heterogeneous environments experience greater complexity and may require a shift towards more automation in DevOps practices. Homogeneous environments in internet companies simplify DevOps, whereas enterprises with heterogeneous environments encounter greater complexity and may need to focus more on automation in DevOps practices.', 'Understanding infrastructure and virtualization is crucial for individuals entering the development field, irrespective of their background, to effectively address high availability and operational needs. Understanding infrastructure and virtualization is essential for individuals entering the development field, regardless of their background, to effectively address high availability and operational needs.']}, {'end': 5294.643, 'start': 4816.363, 'title': 'Scalability and server design', 'summary': 'Explores the scalability and server design practices of internet companies like facebook, yahoo, and google, highlighting their custom server design for power reduction, horizontal scaling over vertical scaling, and the role of nosql databases in enabling horizontal scaling for the db layer, along with the performance difference between hdd and ssd storage.', 'duration': 478.28, 'highlights': ['Internet companies like Facebook, Yahoo, and Google design their own servers for power reduction and use NX86-based architecture platforms, achieving up to 30% less power consumption compared to equivalent enterprise servers. Custom server design for power reduction, achieving up to 30% less power consumption compared to equivalent enterprise servers.', 'Horizontal scaling is favored over vertical scaling by internet companies, where adding more servers instead of internal resources leads to simpler management and lower impact of individual server failures. Preference for horizontal scaling over vertical scaling for simpler management and lower impact of individual server failures.', 'NoSQL databases enable horizontal scaling for the DB layer, similar to scaling in the web layer, providing a solution for scaling the DB layer without the need for tools like Oracle Rack. Role of NoSQL databases in enabling horizontal scaling for the DB layer without the need for tools like Oracle Rack.', 'SSD storage devices outperform HDD with 100-200 times higher performance, measured in IOPS, making them more suitable for server applications such as databases. Performance difference between SSD and HDD storage devices, with SSD offering 100-200 times higher performance measured in IOPS.']}], 'duration': 783.737, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE4510906.jpg', 'highlights': ['Custom server design for power reduction, achieving up to 30% less power consumption compared to equivalent enterprise servers.', 'Horizontal scaling is favored over vertical scaling for simpler management and lower impact of individual server failures.', 'Role of NoSQL databases in enabling horizontal scaling for the DB layer without the need for tools like Oracle Rack.', 'Enterprises encounter challenges in implementing DevOps due to the heterogeneous nature of their environments, necessitating the integration of diverse servers, virtualization, and applications.']}, {'end': 6546.894, 'segs': [{'end': 5368.317, 'src': 'embed', 'start': 5295.923, 'weight': 1, 'content': [{'end': 5303.027, 'text': 'It is so much of a difference that we get into this stuff of your disk.', 'start': 5295.923, 'duration': 7.104}, {'end': 5315.093, 'text': 'So in scenarios like that caching can be, I mean because your hard disk itself becomes like a cache.', 'start': 5303.407, 'duration': 11.686}, {'end': 5319.956, 'text': "We don't require another sort of memory to handle these things.", 'start': 5315.554, 'duration': 4.402}, {'end': 5323.925, 'text': 'But that said, caching is still a solution.', 'start': 5321.124, 'duration': 2.801}, {'end': 5331.229, 'text': 'I can cache as much as my server physical limits allow me.', 'start': 5324.966, 'duration': 6.263}, {'end': 5337.992, 'text': 'Beyond that, I would need to get another server if my requirement goes beyond that.', 'start': 5331.329, 'duration': 6.663}, {'end': 5342.723, 'text': 'Continue with the scalability now.', 'start': 5341.342, 'duration': 1.381}, {'end': 5345.144, 'text': 'there were other options.', 'start': 5342.723, 'duration': 2.421}, {'end': 5348.406, 'text': 'one, I said, was one we saw, was caching.', 'start': 5345.144, 'duration': 3.262}, {'end': 5354.029, 'text': 'the other is what is called as CDNs, Content Directory Networks.', 'start': 5348.406, 'duration': 5.623}, {'end': 5361.033, 'text': 'Now what are CDNs? CDNs are localized web servers.', 'start': 5354.489, 'duration': 6.544}, {'end': 5368.317, 'text': 'So that means imagine you launch your application in India in a data center in India,', 'start': 5361.273, 'duration': 7.044}], 'summary': 'Caching and cdns can improve performance and scalability by utilizing disk as cache and localized web servers.', 'duration': 72.394, 'max_score': 5295.923, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5295923.jpg'}, {'end': 5433.8, 'src': 'embed', 'start': 5406.845, 'weight': 6, 'content': [{'end': 5411.348, 'text': 'I think I spoke about various levels of availability.', 'start': 5406.845, 'duration': 4.503}, {'end': 5413.11, 'text': 'so you would have a load balancer.', 'start': 5411.348, 'duration': 1.762}, {'end': 5418.615, 'text': 'as I said, you would have a cluster software.', 'start': 5413.11, 'duration': 5.505}, {'end': 5422.438, 'text': 'that is one way, else you would have a replication.', 'start': 5418.615, 'duration': 3.823}, {'end': 5427.118, 'text': 'that is another way of doing your high availability solution.', 'start': 5422.438, 'duration': 4.68}, {'end': 5432.52, 'text': 'else sometimes your high end systems had what is called fault tolerance levels.', 'start': 5427.118, 'duration': 5.402}, {'end': 5433.8, 'text': 'So those were.', 'start': 5432.84, 'duration': 0.96}], 'summary': 'Discussion of high availability solutions, including load balancers, cluster software, replication, and fault tolerance levels.', 'duration': 26.955, 'max_score': 5406.845, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5406845.jpg'}, {'end': 5680.536, 'src': 'embed', 'start': 5651.229, 'weight': 4, 'content': [{'end': 5661.044, 'text': 'And of course, so you know, all your servers are kind of designed for various, up to various levels of operations alone, right?', 'start': 5651.229, 'duration': 9.815}, {'end': 5669.261, 'text': 'and you can always get this IO bound error, CPU bound errors, out of memory errors.', 'start': 5664.415, 'duration': 4.846}, {'end': 5676.551, 'text': 'So one big aspect of a DevOps engineer is performance engineering.', 'start': 5669.802, 'duration': 6.749}, {'end': 5680.536, 'text': 'Okay, now that needs to be coming in a big, big way.', 'start': 5677.031, 'duration': 3.505}], 'summary': 'Devops engineers handle server errors for better performance.', 'duration': 29.307, 'max_score': 5651.229, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5651229.jpg'}, {'end': 5858.698, 'src': 'embed', 'start': 5820.018, 'weight': 0, 'content': [{'end': 5822.16, 'text': 'there are physical limitations on how you can cache.', 'start': 5820.018, 'duration': 2.142}, {'end': 5842.093, 'text': 'Okay, so Google is the master of scalability, yes, and they do horizontal scaling.', 'start': 5835.811, 'duration': 6.282}, {'end': 5852.456, 'text': 'Their goal is always to build higher performing, higher scaling infrastructure to support their product, and they all scale horizontally,', 'start': 5842.873, 'duration': 9.583}, {'end': 5858.698, 'text': 'and the languages they have been using is Java, C++ and Python.', 'start': 5852.456, 'duration': 6.242}], 'summary': 'Google uses java, c++, and python for horizontal scaling to achieve higher performance and scalability.', 'duration': 38.68, 'max_score': 5820.018, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5820018.jpg'}, {'end': 6165.499, 'src': 'embed', 'start': 6143.145, 'weight': 3, 'content': [{'end': 6151.047, 'text': 'Okay, so these are the concepts that you would, you know, kind of need to refresh and come back as you become a DevOps engineer,', 'start': 6143.145, 'duration': 7.902}, {'end': 6153.267, 'text': 'because you need to know how all these kind of things work.', 'start': 6151.047, 'duration': 2.22}, {'end': 6158.256, 'text': 'Okay, so your switches?', 'start': 6156.095, 'duration': 2.161}, {'end': 6160.037, 'text': 'so what are these layer 2 switches?', 'start': 6158.256, 'duration': 1.781}, {'end': 6161.677, 'text': 'what are the layer 3 switches?', 'start': 6160.037, 'duration': 1.64}, {'end': 6165.499, 'text': 'so layer 2, it just means it is your traditional switch layer.', 'start': 6161.677, 'duration': 3.822}], 'summary': 'Refresh concepts for becoming a devops engineer, including understanding layer 2 and layer 3 switches.', 'duration': 22.354, 'max_score': 6143.145, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6143145.jpg'}, {'end': 6326.407, 'src': 'embed', 'start': 6295.957, 'weight': 5, 'content': [{'end': 6303.04, 'text': 'So subnet mask is used to isolate your network portion and host portion in a given IP address.', 'start': 6295.957, 'duration': 7.083}, {'end': 6305.981, 'text': 'So these are things that you would need to actually know.', 'start': 6303.84, 'duration': 2.141}, {'end': 6318.564, 'text': 'Okay, and you should kind of, I mean, this is too much of a theory though, but you just understand what is a packet.', 'start': 6311.482, 'duration': 7.082}, {'end': 6326.407, 'text': 'What do you mean by a TCP packet? What do you mean by a UDP packet? And understand what you mean by a port.', 'start': 6318.644, 'duration': 7.763}], 'summary': 'Understanding subnet mask, tcp, udp, and ports is essential for networking.', 'duration': 30.45, 'max_score': 6295.957, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6295957.jpg'}, {'end': 6432.043, 'src': 'embed', 'start': 6399.458, 'weight': 9, 'content': [{'end': 6402.379, 'text': 'But again, these are a little bit on to your networking space.', 'start': 6399.458, 'duration': 2.921}, {'end': 6408.882, 'text': "So assets you don't have to worry too much, but it's just that, you know, it's a really good one.", 'start': 6402.879, 'duration': 6.003}, {'end': 6422.591, 'text': "Okay and I don't become these one-liners for all these what is rip OSPF and DGP and these are all routing protocols.", 'start': 6412.139, 'duration': 10.452}, {'end': 6426.536, 'text': 'So one-liners of that would more than enough and nothing more.', 'start': 6422.952, 'duration': 3.584}, {'end': 6432.043, 'text': 'you can just see that income, and there are a lot of references that you can back, you check.', 'start': 6426.536, 'duration': 5.507}], 'summary': 'Discussion on networking space, including routing protocols like ospf and dgp, with emphasis on concise one-liners and references.', 'duration': 32.585, 'max_score': 6399.458, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6399458.jpg'}, {'end': 6530.285, 'src': 'embed', 'start': 6491.087, 'weight': 8, 'content': [{'end': 6493.169, 'text': 'Okay, so what is the agenda?', 'start': 6491.087, 'duration': 2.082}, {'end': 6494.41, 'text': 'You need to core.', 'start': 6493.249, 'duration': 1.161}, {'end': 6496.292, 'text': 'understand your DNS.', 'start': 6494.41, 'duration': 1.882}, {'end': 6499.756, 'text': 'you core understand your web servers.', 'start': 6496.292, 'duration': 3.464}, {'end': 6500.336, 'text': 'you core.', 'start': 6499.756, 'duration': 0.58}, {'end': 6506.883, 'text': 'understand your load balancers and you understand your storages.', 'start': 6500.336, 'duration': 6.547}, {'end': 6507.964, 'text': 'understand your proxies.', 'start': 6506.883, 'duration': 1.081}, {'end': 6514.711, 'text': 'So we get into hands-on of all these things and that is what you need to get to do in your next class.', 'start': 6508.625, 'duration': 6.086}, {'end': 6530.285, 'text': 'I hope with this session you are able to kind of understand the role of DevOps and how they fit into the whole scheme of things.', 'start': 6519.219, 'duration': 11.066}], 'summary': 'Learn about dns, web servers, load balancers, storages, and proxies for devops in the next class.', 'duration': 39.198, 'max_score': 6491.087, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE6491087.jpg'}], 'start': 5295.923, 'title': 'Scalability, availability, devops, and networking', 'summary': "Covers the use of caching and cdns for scalability, high availability strategies including load balancers, replication, and fault tolerance, insights into google's scaling infrastructure, engineering for performance, devops importance, networking concepts, ip addressing basics, and a roadmap for learning dns, web servers, and more, with an emphasis on competitive advantage and estimated server numbers.", 'chapters': [{'end': 5406.845, 'start': 5295.923, 'title': 'Caching and cdns for scalability', 'summary': 'Discusses the use of caching as a solution for handling data beyond the physical limits of a server and the implementation of cdns as localized web servers to improve application accessibility for users in different regions.', 'duration': 110.922, 'highlights': ["Caching can be used when the hard disk itself becomes like a cache and can handle data without requiring additional memory, while still being limited by the server's physical limits.", 'CDNs, or Content Directory Networks, are localized web servers that improve application accessibility for users in different regions by serving localized content, without the need to move databases and other resources to those regions.', 'Scalability options include caching and CDNs, with the need for additional servers when the requirement exceeds the physical limits of the current server.']}, {'end': 5943.644, 'start': 5406.845, 'title': 'High availability and performance engineering', 'summary': "Discusses various levels of availability, including load balancers, cluster software, replication, and fault tolerance, as well as emphasizing the importance of understanding network components, performance engineering, and the use of caching layers, with insights into google's horizontal scaling infrastructure and the estimated number of servers.", 'duration': 536.799, 'highlights': ["Google is estimated to have around one or two lakhs servers, with an ability to handle hundreds of gigabytes per second of aggregate read and write, and petabytes of data. Google's infrastructure handles massive amounts of data, with an estimated one to two lakhs servers and an aggregate read and write capacity of hundreds of gigabytes per second, showcasing their ability to manage petabytes of data.", 'Discussion on the various levels of availability, including load balancers, cluster software, replication, and fault tolerance. The chapter covers different levels of availability, such as load balancers, cluster software, replication, and fault tolerance, providing insights into the diverse approaches for achieving high availability solutions.', 'Emphasis on the importance of understanding network components, performance engineering, and the use of caching layers in DevOps. The chapter underscores the significance of comprehending network components, performance engineering, and the implementation of caching layers in DevOps, highlighting the essential knowledge areas for DevOps engineers.']}, {'end': 6234.062, 'start': 5947.626, 'title': 'Devops and networking concepts', 'summary': 'Highlights the importance of devops in handling a large number of users, emphasizes the need to understand networking concepts such as tcp packets, nat, broadcast domains, and layer 2/layer 3 switches, and stresses the significance of infrastructure as a competitive advantage.', 'duration': 286.436, 'highlights': ['Understanding networking concepts like TCP packets, NAT, broadcast domains, and layer 2/layer 3 switches is crucial for DevOps engineers to better automate systems and operations.', 'Emphasizing the importance of DevOps in handling a large number of users, with rough statistics indicating the need for optimization and the role of DevOps in achieving it.', 'Stressing the significance of infrastructure as a competitive advantage and the need to build self-imaging, self-managing systems that work without system downtime.', 'Highlighting the impact of Google in popularizing Python and its association with YouTube, emphasizing the open-source nature of technology and customization opportunities.']}, {'end': 6546.894, 'start': 6236.725, 'title': 'Understanding ip addressing and networking basics', 'summary': 'Covers the basics of ip addressing, subnet masks, packet types, and essential networking concepts, emphasizing the importance of understanding these for devops engineers, and provides a roadmap for learning dns, web servers, load balancers, storages, and proxies in the next class.', 'duration': 310.169, 'highlights': ['Understanding the basics of IP addressing, subnet masks, and packet types like TCP and UDP is crucial for DevOps engineers to ensure better application performance. DevOps engineers need to grasp the fundamentals of IP addressing, subnet masks, and packet types such as TCP and UDP to optimize application performance.', 'Importance of understanding network concepts and essential components like DNS, web servers, load balancers, storages, and proxies for hands-on learning in the next class. The chapter emphasizes the significance of comprehending network concepts and essential components like DNS, web servers, load balancers, storages, and proxies for practical learning in the subsequent class.', 'Stressing the need for acquiring knowledge about routing protocols, such as RIP, OSPF, and DGP, and mentions Subcata as a monitoring tool for further study and assignments. The chapter highlights the importance of learning about routing protocols like RIP, OSPF, and DGP, and recommends Subcata as a monitoring tool for additional study and assignments.']}], 'duration': 1250.971, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4o99zq77KBE/pics/4o99zq77KBE5295923.jpg', 'highlights': ["Google's infrastructure handles massive amounts of data, with an estimated one to two lakhs servers and an aggregate read and write capacity of hundreds of gigabytes per second, showcasing their ability to manage petabytes of data.", "Caching can be used when the hard disk itself becomes like a cache and can handle data without requiring additional memory, while still being limited by the server's physical limits.", 'CDNs, or Content Directory Networks, are localized web servers that improve application accessibility for users in different regions by serving localized content, without the need to move databases and other resources to those regions.', 'Understanding networking concepts like TCP packets, NAT, broadcast domains, and layer 2/layer 3 switches is crucial for DevOps engineers to better automate systems and operations.', 'Emphasis on the importance of understanding network components, performance engineering, and the use of caching layers in DevOps.', 'DevOps engineers need to grasp the fundamentals of IP addressing, subnet masks, and packet types such as TCP and UDP to optimize application performance.', 'The chapter covers different levels of availability, such as load balancers, cluster software, replication, and fault tolerance, providing insights into the diverse approaches for achieving high availability solutions.', 'The chapter underscores the significance of comprehending network components, performance engineering, and the implementation of caching layers in DevOps, highlighting the essential knowledge areas for DevOps engineers.', 'The chapter emphasizes the significance of comprehending network concepts and essential components like DNS, web servers, load balancers, storages, and proxies for practical learning in the subsequent class.', 'The chapter highlights the importance of learning about routing protocols like RIP, OSPF, and DGP, and recommends Subcata as a monitoring tool for additional study and assignments.']}], 'highlights': ['Developers require quick feature launches, with businesses demanding features to be launched in just a week or two weeks, highlighting the need for agility and speed in the development process.', 'Understanding the cultural increments and challenges in transitioning to DevOps, emphasizing the importance of overcoming cultural resistance for successful adoption.', 'The need for integration becomes apparent in larger server environments, with the shift from isolated work to collaborative problem-solving emphasized, demonstrating the benefits of synergy between development and operations teams in isolating and resolving issues effectively.', 'DevOps emphasizes the interdependency of software development and IT operations, leading to faster software and IT services production with frequent iterations.', 'The convergence of agile methodology, cloud computing, and cost reduction initiatives led to the emergence of DevOps in 2009.', 'Companies like Apple, Yahoo, and Google were among the first to develop DevOps teams to manage large server numbers, with Google reportedly having over a lakh of servers. The importance of DevOps adoption in enterprise organizations is highlighted.', 'Continuous deployment enables faster development cycles, reducing the time to make and deploy changes from weeks to days or even hours, as opposed to traditional methods. Reduction in development cycle time from weeks to days or hours.', '70 to 80% of US organizations have consolidated their data centers through virtualization, emphasizing the need for DevOps implementation.', 'Custom server design for power reduction, achieving up to 30% less power consumption compared to equivalent enterprise servers.', "Google's infrastructure handles massive amounts of data, with an estimated one to two lakhs servers and an aggregate read and write capacity of hundreds of gigabytes per second, showcasing their ability to manage petabytes of data."]}