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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()}}'

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