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Ansible: The Authorized Key Module

In order for a user to ssh to a remote node, usually some form of authentication such as user credentials, SSH keys, etc are required. However Linux provides provision for password-less authentication too once a…





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Ansible: Automation using conditions

While ansible runs playbook on group of managed nodes which are also present in the Inventory file, we can run tasks on selected nodes based on defined conditions. For example we may want to install…


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Ansible: Roles

Roles is a feature provided by Ansible were once a standardized directory structure is created, you can automatically load related vars, files, tasks, handlers, and other Ansible artifacts. Using roles we have opportunities to reuse code from playbooks that…





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Ansible – Error Handling

Do not misunderstand the concept error handling in this document with error handling in usual software programming terminology. Usually when one writes a program, a syntax check will check for syntax including indentation, spacing, etc. But…