Restart service on all hosts
Ad-hoc service restart with privilege escalation (-b)
ansible webservers -m service -a 'name=nginx state=restarted' -b -i inventory.ini
More ansible commands
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ansible-inventory -i inventory.ini --graphDisplay inventory group hierarchy as a tree
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molecule test -s defaultRun full Molecule test suite: create, converge, verify, destroy
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ansible all -i inventory.ini -m pingVerify SSH connectivity to all hosts in inventory
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ansible webservers -i inventory.ini -m shell -a 'df -h' -bExecute a shell command on all webservers with sudo (-b)
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ansible myhost -i inventory.ini -m setup | jq '.ansible_facts.ansible_distribution'Collect and inspect Ansible facts for one host