ansible

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

• List hosts belonging to a group:
  ansible {{group}} --list-hosts
• Ping a group of hosts by invoking the ping module:
  ansible {{group}} -m ping
• Display facts about a group of hosts by invoking the setup module:
  ansible {{group}} -m setup
• Execute a command on a group of hosts by invoking command module with arguments:
  ansible {{group}} -m command -a '{{my_command}}'
• Execute a command with administrative privileges:
  ansible {{group}} --become --ask-become-pass -m command -a '{{my_command}}'
• Execute a command using a custom inventory file:
  ansible {{group}} -i {{inventory_file}} -m command -a '{{my_command}}'
• List the groups in an inventory:
  ansible localhost -m debug -a '{{var=groups.keys()}}'