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. […]
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Ansible: The The Known Hosts Module
When a user access a remote node using ssh for the first time, a prompt will appear asking the following: This key is not known […]
Ansible: User management – Add user – ssh key
In this section we will try to understand few of the operations we can do using User module. In the below example, we will create […]
Ansible: Register – store and display output of a command
At times we may want to run certain command in the managed nodes, and would like to see the output to verify if the command […]
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 […]
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: Including tasks files and importing playbooks
The include_tasks module imports a list of tasks to the current playbook for execution. It is one way for organizing tasks in separate files and […]
Ansible – The fetch module to retrieve files
While the copy module helps to copy a file from the controller node to managed nodes, the fetch module helps to retrieve files from a managed […]
Ansible – Blocks, Rescue and Error Handling
Usually the Handlers work with a single task. However the “blocks” feature in Ansible helps us to group multiple tasks under one block section and […]
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 […]