tldr/pages/common/ansible.md

ansible

Manage groups of computers remotely over SSH. (use the /etc/ansible/hosts file to add new groups/hosts). Some subcommands such as galaxy have their own usage documentation. More information: https://docs.ansible.com/ansible/latest/cli/ansible.html.

• List hosts belonging to a group:

ansible {{group}} --list-hosts

• Ping a group of hosts by invoking the ping module:

ansible {{group}} {{[-m|--module-name]}} ping

• Display facts about a group of hosts by invoking the setup [m]odule:

ansible {{group}} {{[-m|--module-name]}} setup

• Execute a command on a group of hosts by invoking command module with arguments:

ansible {{group}} {{[-m|--module-name]}} command {{[-a|--args]}} '{{my_command}}'

• Execute a command with administrative privileges:

ansible {{group}} {{[-b|--become]}} --ask-become-pass {{[-m|--module-name]}} command {{[-a|--args]}} '{{my_command}}'

• Execute a command using a custom inventory file:

ansible {{group}} {{[-i|--inventory]}} {{inventory_file}} {{[-m|--module-name]}} command {{[-a|--args]}} '{{my_command}}'

• List the groups in an inventory:

ansible localhost {{[-m|--module-name]}} debug {{[-a|--args]}} '{{var=groups.keys()}}'