List inventory hosts ansible
Show all hosts and groups parsed from inventory
ansible-inventory -i inventory --list | jq 'keys'
more ansible
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Run with extra vars
ansible-playbook playbook.yml -e 'env=prod version=2.0'
Verbose output
ansible-playbook playbook.yml -vvv
Syntax check playbook
ansible-playbook playbook.yml --syntax-check
Ad-hoc ping all hosts
ansible all -m ping -i inventory.ini
Run shell command on group
ansible webservers -m shell -a 'uptime && free -h' -i inventory.ini