title
What Is Ansible? | Ansible Tutorial For Beginners | DevOps Tools | DevOps Training | Edureka

description
πŸ”₯ Edureka DevOps Training (Use Code "π˜πŽπ”π“π”ππ„πŸπŸŽ"): https://www.edureka.co/devops-certification-training This Edureka's Tutorial video on β€˜What is Ansible’ will help you to understand Ansible and will explain you all about Configuration Management. Also, you will understand the different features & working of Ansible. Following are the topics covered in the video: 1. What is Ansible? 2. Configuration Management 3. Push Based vs Pull Based 4. How to Install Ansible 5. Host Inventory 6. Ansible Modules 7. Understanding YAML 8. Ansible Playbook 9. Hands-on Check our complete DevOps playlist here (includes all the videos mentioned in the video): https://bit.ly/3iJoJIP Subscribe to our channel and click the bell icon to get video updates. #DevOpsTutorial #Ansible #DevOpsTools ----------------------------------------------------------------------------------------- Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka ------------------------------------------------------------------------------------------ How it Works? 1. This is a 5 Week Instructor led Online Course. 2. The course consists of 33 hours of live online instructor-led 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 DevOps tools like Docker, Puppet, Jenkins, Nagios, GIT, Selenium, Kubernetes, Ansible, SaltStack and Chef used by a DevOps Engineer for automating multiple steps in SDLC. The course includes the following 11 modules and one certification project: 1. Introduction to DevOps 2. Version control with Git 3. Git, Jenkins and Maven integration 4. Continuous Integration using Jenkins 5. Continuous Testing with Selenium 6. Configuration Management using Puppet 7. Configuration Management using Ansible 8. Containerization with Docker 9. Docker Ecosystem and Networking 10. Containerization using Kubernetes 11. Continuous Monitoring using Nagios - - - - - - - - - - - - - - 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. With the emergence of new job roles around DevOps philosophy, anyone aspiring to get into these new roles can take up this DevOps course. Some of these roles are: 1. DevOps Architect 2. Automation Engineer 3. Software Tester 4. Security Engineer 5. Integration Specialist 6. Release Manager - - - - - - - - - - - - - - For more information, please write back to us at sales@edureka.co or call us at IND: 9606058406 / US: 18338555775 (toll-free).

detail
{'title': 'What Is Ansible? | Ansible Tutorial For Beginners | DevOps Tools | DevOps Training | Edureka', 'heatmap': [{'end': 104.026, 'start': 79.624, 'weight': 0.946}, {'end': 277.93, 'start': 239.898, 'weight': 0.822}, {'end': 816.101, 'start': 766.285, 'weight': 0.882}, {'end': 885.777, 'start': 848.274, 'weight': 0.818}, {'end': 996.469, 'start': 978.352, 'weight': 0.736}, {'end': 1047.867, 'start': 1026.306, 'weight': 0.731}, {'end': 1341.385, 'start': 1238.962, 'weight': 0.97}], 'summary': 'This tutorial covers ansible as an open-source it automation engine, its use for multi-tier deployments, push-based architecture, ansible modules, yaml files, and playbook creation, emphasizing simplicity, agentless operation using ssh, and the importance of yaml syntax.', 'chapters': [{'end': 126.58, 'segs': [{'end': 58.652, 'src': 'embed', 'start': 29.573, 'weight': 3, 'content': [{'end': 33.034, 'text': "So first, let's look into the topics that we're gonna cover in today's session.", 'start': 29.573, 'duration': 3.461}, {'end': 37.96, 'text': "So we'll start the session by understanding what is ansible and it's working.", 'start': 33.917, 'duration': 4.043}, {'end': 42.302, 'text': "then I'll talk about configuration management, as ansible is the tool for configuration management.", 'start': 37.96, 'duration': 4.342}, {'end': 43.743, 'text': "Once I'm done with that.", 'start': 42.883, 'duration': 0.86}, {'end': 49.066, 'text': "I'm going to tell you about the pull based and the push based approach and then I'll tell you how to install ansible.", 'start': 43.763, 'duration': 5.303}, {'end': 51.688, 'text': 'Once you understand how to install ansible.', 'start': 49.707, 'duration': 1.981}, {'end': 58.652, 'text': "I'll talk about host inventory ansible modules yaml files and ansible playbook and I'll end the session with the hands-on part.", 'start': 51.728, 'duration': 6.924}], 'summary': 'Session covers ansible, configuration management, installation, yaml files, and playbook.', 'duration': 29.079, 'max_score': 29.573, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw29573.jpg'}, {'end': 126.58, 'src': 'heatmap', 'start': 79.624, 'weight': 0, 'content': [{'end': 87.59, 'text': 'not only this, but ansible also is very easy to deploy because it does not use any agents or custom security infrastructures.', 'start': 79.624, 'duration': 7.966}, {'end': 95.024, 'text': 'So Ansible uses playbook to describe automation jobs and playbooks use very simple language that is the yaml.', 'start': 88.286, 'duration': 6.738}, {'end': 97.124, 'text': 'So what do you think this yaml is?', 'start': 95.643, 'duration': 1.481}, {'end': 104.026, 'text': 'Well, yaml is a human readable data serialization language and is commonly used for configuration files,', 'start': 97.544, 'duration': 6.482}, {'end': 107.927, 'text': 'but it can be also used for many applications where data is also stored.', 'start': 104.026, 'duration': 3.901}, {'end': 112.808, 'text': "So this means it is very easy for the humans to understand, read and write, isn't it??", 'start': 108.387, 'duration': 4.421}, {'end': 120.531, 'text': 'So the advantage of yaml file is that even the IT infrastructure support guys can read and understand the playbook and debug if needed.', 'start': 113.329, 'duration': 7.202}, {'end': 126.58, 'text': "So it's basically a really simple language and makes it really easy for the humans to read write and understand.", 'start': 121.155, 'duration': 5.425}], 'summary': 'Ansible uses yaml for simple, human-readable automation. no agents or custom security needed. it support can easily read and debug playbooks.', 'duration': 62.467, 'max_score': 79.624, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw79624.jpg'}], 'start': 7.065, 'title': 'Understanding ansible', 'summary': 'Introduces ansible as an open-source it automation engine that simplifies deployment, intra-service orchestration, and cloud provisioning using yaml, emphasizing its simplicity and ease of use for humans.', 'chapters': [{'end': 126.58, 'start': 7.065, 'title': 'Understanding ansible: automation and deployment', 'summary': 'Introduces ansible as an open-source it automation engine that simplifies deployment, intra-service orchestration, and cloud provisioning using yaml, emphasizing its simplicity and ease of use for humans.', 'duration': 119.515, 'highlights': ['The chapter introduces Ansible as a simple open-source IT automation engine, emphasizing its ability to automate application deployment, intra-service orchestration, and cloud provisioning.', 'Ansible uses yaml for describing automation jobs, which is a human-readable data serialization language, making it easy for humans to understand, read, and write.', "Yaml's advantage is that even IT infrastructure support personnel can read, understand, and debug playbooks, emphasizing its ease of use and accessibility.", 'The session agenda includes covering topics such as what Ansible is, its working, configuration management, pull and push-based approaches, ansible installation, host inventory, ansible modules, yaml files, and ansible playbook, ending with a hands-on part.']}], 'duration': 119.515, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw7065.jpg', 'highlights': ['The chapter introduces Ansible as a simple open-source IT automation engine, emphasizing its ability to automate application deployment, intra-service orchestration, and cloud provisioning.', 'Ansible uses yaml for describing automation jobs, which is a human-readable data serialization language, making it easy for humans to understand, read, and write.', "Yaml's advantage is that even IT infrastructure support personnel can read, understand, and debug playbooks, emphasizing its ease of use and accessibility.", 'The session agenda includes covering topics such as what Ansible is, its working, configuration management, pull and push-based approaches, ansible installation, host inventory, ansible modules, yaml files, and ansible playbook, ending with a hands-on part.']}, {'end': 400.175, 'segs': [{'end': 202.616, 'src': 'embed', 'start': 127.637, 'weight': 0, 'content': [{'end': 135.202, 'text': 'Now moving on with the session as ansible is designed for the multi-tier deployments ansible does not manage one system at a time.', 'start': 127.637, 'duration': 7.565}, {'end': 140.405, 'text': 'It models the ID infrastructure by describing all of your systems which are interrelated.', 'start': 135.622, 'duration': 4.783}, {'end': 147.529, 'text': 'So ansible is completely agentless, which means that ansible works by connecting your nodes to SSH by default.', 'start': 140.865, 'duration': 6.664}, {'end': 153.133, 'text': 'But if you want any other method for connection like Kerberos ansible also gives you that option.', 'start': 147.89, 'duration': 5.243}, {'end': 159.136, 'text': 'So, after connecting your nodes, Ansible pushes some small programs called as the Ansible modules,', 'start': 153.653, 'duration': 5.483}, {'end': 163.058, 'text': 'and Ansible runs that modules on your nodes and removes them when they are finished.', 'start': 159.136, 'duration': 3.922}, {'end': 166.56, 'text': 'So it also manages your inventory in simple text files.', 'start': 163.739, 'duration': 2.821}, {'end': 171.823, 'text': 'Those are basically the host files that you can see on the screen where Ansible uses the host files,', 'start': 166.78, 'duration': 5.043}, {'end': 177.266, 'text': 'where one can group the host and control the actions on a specified group in the playbooks right?', 'start': 171.823, 'duration': 5.443}, {'end': 183.177, 'text': 'Next, as I was telling you about ansible, and ansible is the tool for configuration management.', 'start': 178.172, 'duration': 5.005}, {'end': 188.462, 'text': 'You should also understand configuration management before you understand how to deploy it with the tools.', 'start': 183.637, 'duration': 4.825}, {'end': 191.365, 'text': 'So talking about configuration management.', 'start': 189.203, 'duration': 2.162}, {'end': 202.616, 'text': 'configuration management in terms of ansible means that it maintains the configuration of a product performance by keeping the record and updating detailed information which describes an Enterprise hardware and software.', 'start': 191.365, 'duration': 11.251}], 'summary': 'Ansible is designed for multi-tier deployments, agentless, and manages inventory in simple text files.', 'duration': 74.979, 'max_score': 127.637, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw127637.jpg'}, {'end': 249.142, 'src': 'embed', 'start': 220.465, 'weight': 4, 'content': [{'end': 224.328, 'text': 'it is not feasible for you to manually go and update each and every machine right?', 'start': 220.465, 'duration': 3.863}, {'end': 227.17, 'text': 'So you can install the weblogic server in one.', 'start': 224.708, 'duration': 2.462}, {'end': 231.774, 'text': 'go on all your machines with the ansible playbooks and inventory written in most simple way.', 'start': 227.17, 'duration': 4.604}, {'end': 239.898, 'text': 'So all you have to do is that you have to list out the IP addresses of your notes in the inventory and write a playbook to install the weblogic server.', 'start': 232.294, 'duration': 7.604}, {'end': 245.28, 'text': 'after that, you have to run the playbook from your control machine and then it will be installed on all your notes.', 'start': 239.898, 'duration': 5.382}, {'end': 249.142, 'text': "So guys now that you've seen what configuration management is.", 'start': 246.1, 'duration': 3.042}], 'summary': 'Automate weblogic server installation on multiple machines using ansible playbooks and inventory.', 'duration': 28.677, 'max_score': 220.465, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw220465.jpg'}, {'end': 277.93, 'src': 'heatmap', 'start': 239.898, 'weight': 0.822, 'content': [{'end': 245.28, 'text': 'after that, you have to run the playbook from your control machine and then it will be installed on all your notes.', 'start': 239.898, 'duration': 5.382}, {'end': 249.142, 'text': "So guys now that you've seen what configuration management is.", 'start': 246.1, 'duration': 3.042}, {'end': 251.743, 'text': 'Let me show you how does ansible work.', 'start': 249.762, 'duration': 1.981}, {'end': 258.415, 'text': 'So basically ansible works by connecting your notes and pushing out small programs call as ansible modules to them.', 'start': 252.347, 'duration': 6.068}, {'end': 264.223, 'text': 'So ansible then executes these modules over SSH by default and then removes them when finished.', 'start': 258.836, 'duration': 5.387}, {'end': 271.048, 'text': 'So your library of modules can reside on any one machine and there are node servers demons or databases required.', 'start': 264.887, 'duration': 6.161}, {'end': 277.93, 'text': 'So the management know that you can see on the screen is basically the controlling node which controls the entire execution of the playbook.', 'start': 271.468, 'duration': 6.462}], 'summary': 'Ansible works by connecting and pushing modules to nodes, executing them over ssh, and removing them when finished.', 'duration': 38.032, 'max_score': 239.898, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw239898.jpg'}, {'end': 403.218, 'src': 'embed', 'start': 379.765, 'weight': 6, 'content': [{'end': 389.191, 'text': 'what it does is that it gives you full control on whenever you want to make changes on your notes and also makes it very easy and fast to set up and needs very minimal requirements.', 'start': 379.765, 'duration': 9.426}, {'end': 392.589, 'text': "So guys the features of ansible are it's agentless.", 'start': 389.907, 'duration': 2.682}, {'end': 394.271, 'text': "It's built on top of python.", 'start': 392.929, 'duration': 1.342}, {'end': 400.175, 'text': 'It uses SSH and also uses the push base architecture now as in the feature section.', 'start': 394.431, 'duration': 5.744}, {'end': 403.218, 'text': 'I was talking about that ansible is a push base architecture.', 'start': 400.315, 'duration': 2.903}], 'summary': 'Ansible allows easy and fast note changes, is agentless, built on python, uses ssh, and employs a push-based architecture.', 'duration': 23.453, 'max_score': 379.765, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw379765.jpg'}], 'start': 127.637, 'title': 'Ansible for multi-tier deployments', 'summary': 'Discusses how ansible is used for multi-tier deployments, operating in an agentless manner using ssh, pushing small programs called ansible modules to nodes, and managing inventory in simple text files. it also serves as a tool for configuration management in terms of maintaining product performance by updating detailed information.', 'chapters': [{'end': 202.616, 'start': 127.637, 'title': 'Ansible for multi-tier deployments', 'summary': 'Discusses how ansible is designed for multi-tier deployments, operates in an agentless manner using ssh, pushes small programs called ansible modules to nodes, and manages inventory in simple text files, while also serving as a tool for configuration management in terms of maintaining product performance by updating detailed information.', 'duration': 74.979, 'highlights': ['Ansible operates in an agentless manner using SSH, allowing for easy connection to nodes.', 'Ansible pushes small programs called Ansible modules to nodes and removes them after execution.', 'Ansible manages inventory in simple text files, specifically host files for grouping hosts and controlling actions in playbooks.', 'Ansible serves as a tool for configuration management, maintaining the configuration of product performance by updating detailed information.']}, {'end': 400.175, 'start': 203.231, 'title': 'Ansible configuration management', 'summary': 'Explains how ansible works by connecting nodes, pushing out modules, and executing them via ssh, making it agentless, built on python, and using push-based architecture for sending configurations.', 'duration': 196.944, 'highlights': ['Ansible works by connecting nodes, pushing out modules, and executing them via SSH, making it agentless, built on Python, and using push-based architecture for sending configurations Ansible works by connecting nodes and pushing out small programs (modules) to them via SSH, making it agentless, built on Python, and using push-based architecture for sending configurations.', "The features of ansible are it's agentless, built on top of python, uses SSH, and also uses the push-based architecture Ansible's features include being agentless, built on Python, using SSH, and push-based architecture for sending configurations.", 'It is not feasible to manually update each machine, thus Ansible allows installation of software across all machines using playbooks and inventory Ansible allows installation of software across all machines using playbooks and inventory, eliminating the need to manually update each machine.']}], 'duration': 272.538, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw127637.jpg', 'highlights': ['Ansible operates in an agentless manner using SSH, allowing for easy connection to nodes.', 'Ansible pushes small programs called Ansible modules to nodes and removes them after execution.', 'Ansible serves as a tool for configuration management, maintaining the configuration of product performance by updating detailed information.', 'Ansible works by connecting nodes, pushing out modules, and executing them via SSH, making it agentless, built on Python, and using push-based architecture for sending configurations.', 'Ansible allows installation of software across all machines using playbooks and inventory, eliminating the need to manually update each machine.', 'Ansible manages inventory in simple text files, specifically host files for grouping hosts and controlling actions in playbooks.', "Ansible's features include being agentless, built on Python, using SSH, and push-based architecture for sending configurations."]}, {'end': 816.101, 'segs': [{'end': 436.509, 'src': 'embed', 'start': 400.315, 'weight': 0, 'content': [{'end': 403.218, 'text': 'I was talking about that ansible is a push base architecture.', 'start': 400.315, 'duration': 2.903}, {'end': 407.781, 'text': 'What do you think is the difference between the push based architecture and the pull based architecture?', 'start': 403.598, 'duration': 4.183}, {'end': 412.685, 'text': 'Well, tools like puppet and chef are basically pull based configuration management tools.', 'start': 408.182, 'duration': 4.503}, {'end': 416.108, 'text': 'Whereas ansible is push based configuration management tool.', 'start': 413.186, 'duration': 2.922}, {'end': 424.942, 'text': 'Now, in the case of puppet and chef, their agents present the agent software that puppet has and is basically called the puppet agent,', 'start': 416.756, 'duration': 8.186}, {'end': 427.343, 'text': 'and in case of chef it is known as the chef client.', 'start': 424.942, 'duration': 2.401}, {'end': 436.509, 'text': 'So what this agent actually does is that it keeps on pulling the central server periodically for any kind of configuration information and whatever it finds.', 'start': 427.763, 'duration': 8.746}], 'summary': 'Ansible uses push-based architecture, while puppet and chef use pull-based architecture with agents pulling central server for configuration information.', 'duration': 36.194, 'max_score': 400.315, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw400315.jpg'}, {'end': 629.567, 'src': 'embed', 'start': 603.246, 'weight': 4, 'content': [{'end': 609.128, 'text': "and also it gives you a lack of scalability, as well as when you're dealing with hundreds of servers.", 'start': 603.246, 'duration': 5.882}, {'end': 613.989, 'text': 'a push-based system will start showing its limits unless you make use of treading or multi-processing.', 'start': 609.128, 'duration': 4.861}, {'end': 615.189, 'text': 'All right guys.', 'start': 614.649, 'duration': 0.54}, {'end': 619.45, 'text': 'So those were the differences between the push-based configuration and the pull-based configuration.', 'start': 615.269, 'duration': 4.181}, {'end': 624.344, 'text': 'So ansible is basically a push base configuration management tool.', 'start': 620.342, 'duration': 4.002}, {'end': 626.105, 'text': 'now moving on with the session.', 'start': 624.344, 'duration': 1.761}, {'end': 629.567, 'text': "as I've talked so much about ansible, you would be interested to install it.", 'start': 626.105, 'duration': 3.462}], 'summary': 'Push-based system lacks scalability with hundreds of servers. ansible is a push-based configuration management tool.', 'duration': 26.321, 'max_score': 603.246, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw603246.jpg'}, {'end': 691.539, 'src': 'embed', 'start': 661.806, 'weight': 2, 'content': [{'end': 664.287, 'text': 'So now let me tell you the steps to install ansible.', 'start': 661.806, 'duration': 2.481}, {'end': 673.388, 'text': 'So for that you just have to type in the command sudo apt-get update So this command will basically update your repositories.', 'start': 664.807, 'duration': 8.581}, {'end': 677.65, 'text': 'Now once that is done you have to you know, install the common software properties.', 'start': 673.768, 'duration': 3.882}, {'end': 687.596, 'text': "So for that you'll type in the command sudo apt-get install software-properties-common.", 'start': 678.231, 'duration': 9.365}, {'end': 691.539, 'text': 'So you can see that you know on the screen that your installation is going on.', 'start': 688.177, 'duration': 3.362}], 'summary': 'Steps to install ansible: sudo apt-get update, sudo apt-get install software-properties-common.', 'duration': 29.733, 'max_score': 661.806, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw661806.jpg'}, {'end': 816.101, 'src': 'heatmap', 'start': 766.285, 'weight': 0.882, 'content': [{'end': 773.386, 'text': "You will add a new repository on the name of ansible and then you'll update your own repositories and then finally you'll install ansible.", 'start': 766.285, 'duration': 7.101}, {'end': 775.667, 'text': 'So these are the commands that you have to use.', 'start': 773.787, 'duration': 1.88}, {'end': 777.715, 'text': 'Now moving on with the session.', 'start': 776.414, 'duration': 1.301}, {'end': 783.901, 'text': 'What do you think this host inventory is well inventory defines a group of hosts which are alike in any way.', 'start': 778.096, 'duration': 5.805}, {'end': 789.286, 'text': 'So, for example, you would want to group your web servers in one group and application servers in another.', 'start': 784.261, 'duration': 5.025}, {'end': 794.771, 'text': 'right. so group can have multiple servers or a single server that can be a part of multiple groups.', 'start': 789.286, 'duration': 5.485}, {'end': 801.934, 'text': 'So the name of the group is enclosed in square brackets and the server names can be their DNS names or IP addresses.', 'start': 795.47, 'duration': 6.464}, {'end': 810.678, 'text': 'So, by default, ansible looks at the inventory file, but that can be modified by passing the inventory part to the ansible command line.', 'start': 802.454, 'duration': 8.224}, {'end': 816.101, 'text': 'so we can modify the way ansible connects to our host by supplying the additional information in the inventory file.', 'start': 810.678, 'duration': 5.423}], 'summary': 'Add ansible repository, update repositories, install ansible, define host inventory for grouping servers.', 'duration': 49.816, 'max_score': 766.285, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw766285.jpg'}, {'end': 824.666, 'src': 'embed', 'start': 802.454, 'weight': 3, 'content': [{'end': 810.678, 'text': 'So, by default, ansible looks at the inventory file, but that can be modified by passing the inventory part to the ansible command line.', 'start': 802.454, 'duration': 8.224}, {'end': 816.101, 'text': 'so we can modify the way ansible connects to our host by supplying the additional information in the inventory file.', 'start': 810.678, 'duration': 5.423}, {'end': 824.666, 'text': 'So as you can see on the screen, this is just a list of IP addresses on my notes and also you can name the groups of your different IP addresses.', 'start': 816.461, 'duration': 8.205}], 'summary': 'Ansible can modify host connections by passing inventory file details, allowing naming of ip address groups.', 'duration': 22.212, 'max_score': 802.454, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw802454.jpg'}], 'start': 400.315, 'title': 'Push vs pull architectures in configuration management', 'summary': 'Explores the differences between push and pull based architecture in configuration management, focusing on ansible as a push based tool compared to pull based tools like puppet and chef. it also highlights the advantages and limitations of push-based systems, providing step-by-step instructions for installing ansible and clarifying the concept of host inventory.', 'chapters': [{'end': 436.509, 'start': 400.315, 'title': 'Push vs pull architecture', 'summary': 'Explores the differences between push and pull based architecture in configuration management, highlighting ansible as a push based tool compared to pull based tools like puppet and chef, which use agents to periodically pull configuration information from a central server.', 'duration': 36.194, 'highlights': ['Ansible is a push based architecture, while puppet and chef are pull based architectures, with agents like puppet agent and chef client periodically pulling configuration information from a central server.', 'Puppet and chef agents keep pulling the central server periodically for configuration information.']}, {'end': 816.101, 'start': 436.509, 'title': 'Push vs pull configurations', 'summary': 'Explores the differences between push-based and pull-based configuration management systems, highlighting that ansible, a push-based system, offers simplicity and direct control over configuration changes, but may lack full automation and scalability, while providing step-by-step instructions for installing ansible and clarifying the concept of host inventory.', 'duration': 379.592, 'highlights': ['Ansible, a push-based system, offers simplicity and direct control over configuration changes, but may lack full automation and scalability Ansible offers simplicity and direct control over configuration changes, but may lack full automation and scalability, making it not ideal for achieving full automation or dealing with hundreds of servers without additional measures.', "Step-by-step instructions for installing ansible, including updating repositories, installing common software properties, adding ansible's repository, updating repositories, and installing ansible The process for installing ansible involves updating repositories, installing common software properties, adding ansible's repository, updating repositories again, and finally installing ansible, providing a clear set of commands for installation.", 'Host inventory defines groups of hosts, can be modified to change the way ansible connects to hosts Host inventory defines groups of hosts, which can be modified to change the way ansible connects to hosts, offering flexibility in managing different groups of servers.']}], 'duration': 415.786, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw400315.jpg', 'highlights': ['Ansible is a push based architecture, while puppet and chef are pull based architectures, with agents like puppet agent and chef client periodically pulling configuration information from a central server.', 'Puppet and chef agents keep pulling the central server periodically for configuration information.', "Step-by-step instructions for installing ansible, including updating repositories, installing common software properties, adding ansible's repository, updating repositories, and installing ansible The process for installing ansible involves updating repositories, installing common software properties, adding ansible's repository, updating repositories again, and finally installing ansible, providing a clear set of commands for installation.", 'Host inventory defines groups of hosts, can be modified to change the way ansible connects to hosts Host inventory defines groups of hosts, which can be modified to change the way ansible connects to hosts, offering flexibility in managing different groups of servers.', 'Ansible, a push-based system, offers simplicity and direct control over configuration changes, but may lack full automation and scalability Ansible offers simplicity and direct control over configuration changes, but may lack full automation and scalability, making it not ideal for achieving full automation or dealing with hundreds of servers without additional measures.']}, {'end': 1016.996, 'segs': [{'end': 840.898, 'src': 'embed', 'start': 816.461, 'weight': 0, 'content': [{'end': 824.666, 'text': 'So as you can see on the screen, this is just a list of IP addresses on my notes and also you can name the groups of your different IP addresses.', 'start': 816.461, 'duration': 8.205}, {'end': 830.453, 'text': 'So, for example, if I want to group my web servers together and my data servers together,', 'start': 825.39, 'duration': 5.063}, {'end': 835.556, 'text': 'all I have to do is I have to write a group name between the two square brackets and a big group together.', 'start': 830.453, 'duration': 5.103}, {'end': 840.898, 'text': 'So whenever you want to make configuration changes just on the web server and not on the database server.', 'start': 835.816, 'duration': 5.082}], 'summary': 'Organize ip addresses into groups to make targeted configuration changes.', 'duration': 24.437, 'max_score': 816.461, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw816461.jpg'}, {'end': 885.777, 'src': 'heatmap', 'start': 848.274, 'weight': 0.818, 'content': [{'end': 850.215, 'text': 'So guys that was about host inventory.', 'start': 848.274, 'duration': 1.941}, {'end': 854.438, 'text': 'Now if you talk about another key term in Ansible that is Ansible modules.', 'start': 850.776, 'duration': 3.662}, {'end': 858.76, 'text': 'So modules are those executable plugins that get the real job done.', 'start': 854.898, 'duration': 3.862}, {'end': 865.364, 'text': 'So usually modules can take the key value arguments and run in a customized way depending upon the arguments themselves.', 'start': 859.18, 'duration': 6.184}, {'end': 870.107, 'text': 'So a module can be invoked by command line or can be included in the Ansible playbook.', 'start': 865.844, 'duration': 4.263}, {'end': 873.85, 'text': 'Now, let me tell you some commands related to ansible modules.', 'start': 870.868, 'duration': 2.982}, {'end': 880.235, 'text': 'Now, if you want to use the modules from command line, you have to type in the command ansible all hyphen m ping.', 'start': 874.331, 'duration': 5.904}, {'end': 885.777, 'text': 'Now, if you want to use the ping module to ping all the hosts defined in the inventory,', 'start': 881.073, 'duration': 4.704}], 'summary': 'Ansible uses modules as executable plugins to perform tasks, like pinging hosts, and can be invoked via command line or in playbooks.', 'duration': 37.503, 'max_score': 848.274, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw848274.jpg'}, {'end': 885.777, 'src': 'embed', 'start': 854.898, 'weight': 1, 'content': [{'end': 858.76, 'text': 'So modules are those executable plugins that get the real job done.', 'start': 854.898, 'duration': 3.862}, {'end': 865.364, 'text': 'So usually modules can take the key value arguments and run in a customized way depending upon the arguments themselves.', 'start': 859.18, 'duration': 6.184}, {'end': 870.107, 'text': 'So a module can be invoked by command line or can be included in the Ansible playbook.', 'start': 865.844, 'duration': 4.263}, {'end': 873.85, 'text': 'Now, let me tell you some commands related to ansible modules.', 'start': 870.868, 'duration': 2.982}, {'end': 880.235, 'text': 'Now, if you want to use the modules from command line, you have to type in the command ansible all hyphen m ping.', 'start': 874.331, 'duration': 5.904}, {'end': 885.777, 'text': 'Now, if you want to use the ping module to ping all the hosts defined in the inventory,', 'start': 881.073, 'duration': 4.704}], 'summary': 'Ansible modules are executable plugins invoked via command line or playbook with key value arguments.', 'duration': 30.879, 'max_score': 854.898, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw854898.jpg'}, {'end': 977.772, 'src': 'embed', 'start': 936.022, 'weight': 3, 'content': [{'end': 939.463, 'text': 'Let me tell you about the yaml files because that is the file that has been used.', 'start': 936.022, 'duration': 3.441}, {'end': 943.904, 'text': 'So ansible uses yaml syntax for expressing ansible playbooks.', 'start': 939.883, 'duration': 4.021}, {'end': 951.366, 'text': "ansible uses yaml because it's really simple for humans to understand, read and write when compared to the other data formats like XML or JSON.", 'start': 943.904, 'duration': 7.462}, {'end': 956.088, 'text': 'So every yaml file optionally starts with three hyphens and ends with three dots.', 'start': 951.887, 'duration': 4.201}, {'end': 960.929, 'text': 'So as you can see on the screen here, it starts with three hyphens and ends with three dots.', 'start': 956.688, 'duration': 4.241}, {'end': 965.924, 'text': 'Now, you can also use abbreviation in YAMLs to represent dictionaries.', 'start': 961.718, 'duration': 4.206}, {'end': 970.611, 'text': 'So as you can see on the screen, it basically follows the pattern of a key value pair.', 'start': 966.425, 'duration': 4.186}, {'end': 977.772, 'text': 'So here the key value is James and it has various values like its name roll number division sex everything.', 'start': 971.286, 'duration': 6.486}], 'summary': 'Yaml is used in ansible for its simplicity and human readability, with files optionally starting with three hyphens and ending with three dots.', 'duration': 41.75, 'max_score': 936.022, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw936022.jpg'}, {'end': 1003.271, 'src': 'heatmap', 'start': 978.352, 'weight': 0.736, 'content': [{'end': 986.44, 'text': 'So the key James has many values, like the name James John, the roll number to be 34, the division to be B and the sex to be male.', 'start': 978.352, 'duration': 8.088}, {'end': 989.983, 'text': 'not only this, but we can also represent the list in YAML file.', 'start': 986.44, 'duration': 3.543}, {'end': 996.469, 'text': 'So every element of the list should be written in a new file with the same indentation starting with the hyphen and a space.', 'start': 990.363, 'duration': 6.106}, {'end': 1003.271, 'text': 'So, for example, as you can see on the screen, after writing countries, we have written America with the hyphen and a space,', 'start': 997.009, 'duration': 6.262}], 'summary': "The key 'james' has multiple values such as name, roll number 34, division b, and male sex. the list can also be represented in a yaml file.", 'duration': 24.919, 'max_score': 978.352, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw978352.jpg'}], 'start': 816.461, 'title': 'Ansible modules and yaml files', 'summary': 'Covers grouping ip addresses, enabling configuration changes, and introduces ansible modules. it also explains the usage of ansible modules with examples of commands for pinging hosts, flushing ip table rules, and gathering facts, and provides an overview of yaml files and their syntax for expressing ansible playbooks.', 'chapters': [{'end': 854.438, 'start': 816.461, 'title': 'Ansible host inventory and modules', 'summary': 'Explains how to group ip addresses, enabling configuration changes to specific groups, and introduces ansible modules.', 'duration': 37.977, 'highlights': ['By grouping IP addresses, configuration changes can be targeted to specific groups, reducing the need for individual adjustments.', 'Introducing Ansible modules enables the audience to understand a key term in Ansible which is essential for efficient automation and configuration management.']}, {'end': 1016.996, 'start': 854.898, 'title': 'Ansible modules and yaml files', 'summary': 'Explains the usage of ansible modules with examples of commands for pinging hosts, flushing ip table rules, and gathering facts, and also provides an overview of yaml files and their use of syntax for expressing ansible playbooks.', 'duration': 162.098, 'highlights': ['Ansible modules can be invoked by command line or included in Ansible playbook, with examples of commands for pinging hosts, flushing IP table rules, and gathering facts. The chapter provides examples of commands for using Ansible modules from the command line, including pinging hosts, flushing IP table rules, and gathering facts about the host.', "Ansible uses YAML syntax for expressing ansible playbooks, as it's simple for humans to understand, read, and write. Ansible uses YAML syntax for expressing Ansible playbooks due to its simplicity for humans to understand, read, and write.", 'YAML files optionally start with three hyphens and end with three dots, and can represent dictionaries and lists in abbreviation form. YAML files can start with three hyphens and end with three dots, and can represent dictionaries and lists using abbreviation forms, making it convenient for data representation.']}], 'duration': 200.535, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw816461.jpg', 'highlights': ['By grouping IP addresses, configuration changes can be targeted to specific groups, reducing the need for individual adjustments.', 'Introducing Ansible modules enables the audience to understand a key term in Ansible essential for efficient automation and configuration management.', 'Ansible modules can be invoked by command line or included in Ansible playbook, with examples of commands for pinging hosts, flushing IP table rules, and gathering facts.', "Ansible uses YAML syntax for expressing Ansible playbooks, as it's simple for humans to understand, read, and write.", 'YAML files optionally start with three hyphens and end with three dots, and can represent dictionaries and lists in abbreviation form.']}, {'end': 1177.923, 'segs': [{'end': 1058.116, 'src': 'heatmap', 'start': 1026.306, 'weight': 0, 'content': [{'end': 1034.695, 'text': 'So yaml uses the pipeline to include new lines while showing multiple lines and uses the greater than symbol to suppress new lines while showing multiple lines.', 'start': 1026.306, 'duration': 8.389}, {'end': 1040.383, 'text': 'So due to this we can read and edit large lines and in both the cases indentations are ignored.', 'start': 1035.156, 'duration': 5.227}, {'end': 1042.983, 'text': 'So guys that was about the YAML files.', 'start': 1041.08, 'duration': 1.903}, {'end': 1047.867, 'text': 'Now talking about Ansible playbooks, let me tell you how to write an Ansible playbook.', 'start': 1043.443, 'duration': 4.424}, {'end': 1051.49, 'text': "But before that, let's see what exactly Ansible playbook is.", 'start': 1048.146, 'duration': 3.344}, {'end': 1058.116, 'text': "So as I've told you before that the playbooks are the files where Ansible code is written and these are written in the YAML format.", 'start': 1051.85, 'duration': 6.266}], 'summary': 'Yaml uses pipeline for new lines, ansible playbooks are written in yaml format.', 'duration': 41.1, 'max_score': 1026.306, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1026306.jpg'}, {'end': 1145.237, 'src': 'embed', 'start': 1116.562, 'weight': 2, 'content': [{'end': 1119.685, 'text': 'So the name tag specifies the name of the Ansible book.', 'start': 1116.562, 'duration': 3.123}, {'end': 1126.031, 'text': "So basically I'm talking about as in what this playbook will be doing or any logical name that can be given to this playbook.", 'start': 1120.085, 'duration': 5.946}, {'end': 1132.737, 'text': 'Coming to the host tag, the host tag specifies the list of hosts or the host group against which we want to run the task.', 'start': 1126.592, 'duration': 6.145}, {'end': 1138.483, 'text': 'The host field or tag is mandatory and it tells Ansible on which host to run the listed task.', 'start': 1133.098, 'duration': 5.385}, {'end': 1145.237, 'text': 'So the task can run on the same machine or on a remote machine, and one can run the task on multiple machines,', 'start': 1139.21, 'duration': 6.027}], 'summary': 'Ansible playbook specifies tasks and hosts for execution.', 'duration': 28.675, 'max_score': 1116.562, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1116562.jpg'}, {'end': 1188.939, 'src': 'embed', 'start': 1159.091, 'weight': 1, 'content': [{'end': 1165.275, 'text': 'Now coming to the final tag that is the task all the playbook should contain tasks or a list of tasks to be executed.', 'start': 1159.091, 'duration': 6.184}, {'end': 1168.897, 'text': 'So the tasks are the list of actions one needs to perform.', 'start': 1165.695, 'duration': 3.202}, {'end': 1174.021, 'text': 'So task field contains the name of the task and this works as a help text for the user.', 'start': 1169.238, 'duration': 4.783}, {'end': 1177.923, 'text': "Well, it's not mandatory but proves useful in debugging the playbook.", 'start': 1174.501, 'duration': 3.422}, {'end': 1182.206, 'text': 'So each task internally links to a piece of code called module.', 'start': 1178.564, 'duration': 3.642}, {'end': 1188.939, 'text': "Now let's move on to the hands-on part, where we'll basically, you know, create a playbook and then I'll show you the working of Ansible.", 'start': 1182.913, 'duration': 6.026}], 'summary': 'Playbooks should contain tasks to be executed, each linking to a module. debugging playbook is easier with task field.', 'duration': 29.848, 'max_score': 1159.091, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1159091.jpg'}], 'start': 1017.016, 'title': 'Yaml and ansible playbooks', 'summary': 'Discusses the use of yaml files in representing data and the structure of ansible playbooks, emphasizing the importance of indentation and key tags like name, host, vars, and tasks, with yaml serving as a strict type of language.', 'chapters': [{'end': 1177.923, 'start': 1017.016, 'title': 'Yaml and ansible playbooks', 'summary': 'Discusses the use of yaml files in representing data and the structure of ansible playbooks, emphasizing the importance of indentation and the key tags including name, host, vars, and tasks, with yaml serving as a strict type of language.', 'duration': 160.907, 'highlights': ['YAML uses the pipeline to include new lines while showing multiple lines and uses the greater than symbol to suppress new lines while showing multiple lines. This demonstrates the different formatting options in YAML, providing flexibility in representing data and maintaining readability.', 'Playbooks are the files where Ansible code is written and are written in the YAML format. Emphasizes the relationship between Ansible and YAML, highlighting the significance of playbooks as the core feature of Ansible.', 'The host tag specifies the list of hosts or the host group against which we want to run the task, and it is mandatory. Illustrates the essential role of the host tag in specifying the target hosts for executing tasks.', 'The tasks are the list of actions one needs to perform, containing the name of the task and serving as a help text for the user. Underlines the purpose and structure of tasks within Ansible playbooks, highlighting their significance in guiding the user and aiding in debugging.']}], 'duration': 160.907, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1017016.jpg', 'highlights': ['Playbooks are the files where Ansible code is written and are written in the YAML format. Emphasizes the relationship between Ansible and YAML, highlighting the significance of playbooks as the core feature of Ansible.', 'The tasks are the list of actions one needs to perform, containing the name of the task and serving as a help text for the user. Underlines the purpose and structure of tasks within Ansible playbooks, highlighting their significance in guiding the user and aiding in debugging.', 'The host tag specifies the list of hosts or the host group against which we want to run the task, and it is mandatory. Illustrates the essential role of the host tag in specifying the target hosts for executing tasks.', 'YAML uses the pipeline to include new lines while showing multiple lines and uses the greater than symbol to suppress new lines while showing multiple lines. This demonstrates the different formatting options in YAML, providing flexibility in representing data and maintaining readability.']}, {'end': 1620.315, 'segs': [{'end': 1208.501, 'src': 'embed', 'start': 1178.564, 'weight': 0, 'content': [{'end': 1182.206, 'text': 'So each task internally links to a piece of code called module.', 'start': 1178.564, 'duration': 3.642}, {'end': 1188.939, 'text': "Now let's move on to the hands-on part, where we'll basically, you know, create a playbook and then I'll show you the working of Ansible.", 'start': 1182.913, 'duration': 6.026}, {'end': 1191.642, 'text': "So let's get started with our hands-on part.", 'start': 1189.62, 'duration': 2.022}, {'end': 1196.948, 'text': 'So first we have to create an SSH connection right to create an SSH connection with the node.', 'start': 1192.143, 'duration': 4.805}, {'end': 1203.616, 'text': 'So for that you have to type in the command SSH hyphen key gen So this will basically you know generate your key.', 'start': 1197.208, 'duration': 6.408}, {'end': 1208.501, 'text': 'So once you type in the command you can see an output that it is generating of RSA key pair.', 'start': 1204.057, 'duration': 4.444}], 'summary': 'Creating ssh connection and generating rsa key pair for ansible playbook', 'duration': 29.937, 'max_score': 1178.564, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1178564.jpg'}, {'end': 1346.288, 'src': 'heatmap', 'start': 1234.801, 'weight': 3, 'content': [{'end': 1238.542, 'text': 'Now once your key has been generated you have to create an host inventory file.', 'start': 1234.801, 'duration': 3.741}, {'end': 1245.845, 'text': "So we're creating a host inventory file so that we mention the specifications of the node IP address that we want to connect with.", 'start': 1238.962, 'duration': 6.883}, {'end': 1247.306, 'text': "so for that you'll type in the command.", 'start': 1245.845, 'duration': 1.461}, {'end': 1252.093, 'text': "So for that you'll type in the command sudo and then you'll mention the directory of your host.", 'start': 1247.99, 'duration': 4.103}, {'end': 1256.636, 'text': "So I've just mentioned the directory and then I'll press on enter so it will ask for my password.", 'start': 1252.393, 'duration': 4.243}, {'end': 1257.917, 'text': "So I'll mention the password.", 'start': 1256.676, 'duration': 1.241}, {'end': 1264.642, 'text': 'So as you can see on the screen, this is the default host inventory file now as we have to mention the name of a servers.', 'start': 1258.678, 'duration': 5.964}, {'end': 1266.764, 'text': 'I just mention it in the square brackets.', 'start': 1264.762, 'duration': 2.002}, {'end': 1269.265, 'text': "Let's say I mentioned the name to be test servers.", 'start': 1267.164, 'duration': 2.101}, {'end': 1271.227, 'text': "So for that I'll type in test servers.", 'start': 1269.485, 'duration': 1.742}, {'end': 1273.737, 'text': "and then I'll mention the name of the node.", 'start': 1271.875, 'duration': 1.862}, {'end': 1275.819, 'text': 'So let me just type in the name of the node.', 'start': 1274.097, 'duration': 1.722}, {'end': 1278.561, 'text': 'So over here my name of the node is K node.', 'start': 1276.179, 'duration': 2.382}, {'end': 1283.285, 'text': "So I've mentioned that now once this is done just save this file and close this file.", 'start': 1278.601, 'duration': 4.684}, {'end': 1289.811, 'text': "So for that you'll press the keyboard shortcut, control X and then press on Y, so this will save your host inventory file.", 'start': 1283.746, 'duration': 6.065}, {'end': 1295.748, 'text': "So once you're done with that, you know you have to mention the SSH generated key in the key node.", 'start': 1290.643, 'duration': 5.105}, {'end': 1297.629, 'text': 'That is the node that we just configured right?', 'start': 1295.788, 'duration': 1.841}, {'end': 1306.177, 'text': 'So for that you will type in the command SSH hyphen copy, hyphen ID space, hyphen I space and the name of the node.', 'start': 1298.05, 'duration': 8.127}, {'end': 1308.038, 'text': 'So we are my name of the node is K node.', 'start': 1306.197, 'duration': 1.841}, {'end': 1313.303, 'text': "Once I'm done with that, I'll press on enter and you can see that you know, it will ask for a confirmation.", 'start': 1308.519, 'duration': 4.784}, {'end': 1314.484, 'text': "So let's just say yes.", 'start': 1313.523, 'duration': 0.961}, {'end': 1317.647, 'text': 'So you can see the output that our key has been copied.', 'start': 1315.105, 'duration': 2.542}, {'end': 1320.643, 'text': "Once you're done with that, you'll be asked for your password.", 'start': 1318.642, 'duration': 2.001}, {'end': 1326.507, 'text': "So let's just type in the node password and you can see you know, your key has been successfully added to your node.", 'start': 1320.683, 'duration': 5.824}, {'end': 1330.017, 'text': "Now before I move forward, I've just cleared my terminal.", 'start': 1327.415, 'duration': 2.602}, {'end': 1332.899, 'text': 'So just in case if you want to know the command the command is clear.', 'start': 1330.057, 'duration': 2.842}, {'end': 1335.981, 'text': 'So, once you type in, clear terminal gets clear.', 'start': 1333.179, 'duration': 2.802}, {'end': 1337.882, 'text': 'now, moving on with the hands-on.', 'start': 1335.981, 'duration': 1.901}, {'end': 1341.385, 'text': 'now, once your key has been generated, you have, to you know, create a playbook.', 'start': 1337.882, 'duration': 3.503}, {'end': 1346.288, 'text': "So before I start creating a playbook, let's just check if our test servers are running or not.", 'start': 1341.825, 'duration': 4.463}], 'summary': 'Creating host inventory, adding ssh key, and checking server status in a tutorial.', 'duration': 111.487, 'max_score': 1234.801, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1234801.jpg'}, {'end': 1395.252, 'src': 'embed', 'start': 1366.751, 'weight': 2, 'content': [{'end': 1369.913, 'text': 'So for that you have to type in the command sudo nano.', 'start': 1366.751, 'duration': 3.162}, {'end': 1373.375, 'text': "Let's say I give the name to be edureka demo dot yaml.", 'start': 1370.173, 'duration': 3.202}, {'end': 1375.356, 'text': 'So this opens up a yaml file.', 'start': 1373.715, 'duration': 1.641}, {'end': 1378.358, 'text': "Now, let's start mentioning the specifications required.", 'start': 1375.656, 'duration': 2.702}, {'end': 1383.722, 'text': "So first I'll mention the host So as I mentioned before that yaml file starts with three hyphens.", 'start': 1378.738, 'duration': 4.984}, {'end': 1387.305, 'text': "So let me just mention three hyphens and then I'll press on enter.", 'start': 1383.962, 'duration': 3.343}, {'end': 1389.707, 'text': "So let's start by mentioning the yaml tags.", 'start': 1387.725, 'duration': 1.982}, {'end': 1391.188, 'text': "So let's start with the host.", 'start': 1389.927, 'duration': 1.261}, {'end': 1395.252, 'text': "So for that I'll type in hyphen host space colon.", 'start': 1391.789, 'duration': 3.463}], 'summary': 'Creating a yaml file with host specifications using terminal commands.', 'duration': 28.501, 'max_score': 1366.751, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1366751.jpg'}, {'end': 1580.802, 'src': 'embed', 'start': 1552.125, 'weight': 1, 'content': [{'end': 1555.846, 'text': 'now. once the playbook runs, it automatically installs your engines container.', 'start': 1552.125, 'duration': 3.721}, {'end': 1560.687, 'text': 'that is basically the task that we mentioned now to check whether it is running on the other node or not.', 'start': 1555.846, 'duration': 4.841}, {'end': 1562.867, 'text': 'You have to switch to your other node.', 'start': 1561.306, 'duration': 1.561}, {'end': 1564.589, 'text': 'So let me just switch to my other node.', 'start': 1562.927, 'duration': 1.662}, {'end': 1569.453, 'text': "It's not now to check whether engines has been installed or not on the other node.", 'start': 1565.81, 'duration': 3.643}, {'end': 1580.802, 'text': "Let's type in the command PS walks that is w aux space pipeline space grep the name of the file that we install that is engines.", 'start': 1569.573, 'duration': 11.229}], 'summary': "Playbook automatically installs engines container. verify on other node using 'ps aux | grep engines'.", 'duration': 28.677, 'max_score': 1552.125, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1552125.jpg'}], 'start': 1178.564, 'title': 'Ansible setup and playbook creation', 'summary': 'Covers setting up ssh connection and host inventory for ansible, including generating rsa key pair, creating an inventory file, and creating a playbook to check server status, run yaml file, and verify container installation on multiple nodes.', 'chapters': [{'end': 1326.507, 'start': 1178.564, 'title': 'Hands-on ansible ssh connection setup', 'summary': 'Covers the process of creating an ssh connection and host inventory file for ansible setup, including generating an rsa key pair, creating an inventory file, and copying the generated key to the specified node.', 'duration': 147.943, 'highlights': ["Creating an SSH connection involves generating an RSA key pair, specifying the directory for storing the key, entering a passphrase, and creating a host inventory file with the node's IP address and name.", 'The process also includes saving and closing the host inventory file, and copying the generated key to the specified node, confirming the action and adding the key to the node.', 'Detailed steps for creating an SSH connection and host inventory file are provided, including specific commands and user interactions.']}, {'end': 1620.315, 'start': 1327.415, 'title': 'Creating playbook with ansible', 'summary': 'Covers the process of creating a playbook with ansible, including generating a key, checking server status, creating a yaml file, running the playbook, and verifying the installation of the engines container on multiple nodes.', 'duration': 292.9, 'highlights': ['The playbook runs successfully, installing the engines container on the specified server.', 'The process involves creating a yaml file with specifications such as host, become, variables, tasks, and handlers.', "The playbook command 'ansible-playbook edureka_demo.yaml' is used to run the playbook.", "The engines container installation is verified on another node using the 'ps aux | grep engines' command.", 'Ansible simplifies executing actions on multiple connected nodes with ease.']}], 'duration': 441.751, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/4nKW2eF-nIw/pics/4nKW2eF-nIw1178564.jpg', 'highlights': ['Ansible simplifies executing actions on multiple connected nodes with ease.', 'The playbook runs successfully, installing the engines container on the specified server.', 'The process involves creating a yaml file with specifications such as host, become, variables, tasks, and handlers.', 'The process also includes saving and closing the host inventory file, and copying the generated key to the specified node, confirming the action and adding the key to the node.']}], 'highlights': ['Ansible uses yaml for describing automation jobs, emphasizing its human-readable nature.', 'Ansible operates in an agentless manner using SSH, allowing for easy connection to nodes.', 'Ansible serves as a tool for configuration management, maintaining the configuration of product performance by updating detailed information.', 'Ansible is a push based architecture, while puppet and chef are pull based architectures, with agents like puppet agent and chef client periodically pulling configuration information from a central server.', 'By grouping IP addresses, configuration changes can be targeted to specific groups, reducing the need for individual adjustments.', 'Introducing Ansible modules enables the audience to understand a key term in Ansible essential for efficient automation and configuration management.', 'Playbooks are the files where Ansible code is written and are written in the YAML format. Emphasizes the relationship between Ansible and YAML, highlighting the significance of playbooks as the core feature of Ansible.', 'Ansible simplifies executing actions on multiple connected nodes with ease.']}