until Command Examples
Simple shell loop that repeats until it receives zero as return value. More information: https://www.gnu.org/software/bash/manual/bash.html#index-until.
- Execute a command until it succeeds:
until {{command}}; do :; done
- Wait for a systemd service to be active:
until systemctl is-active --quiet {{nginx}}; do {{echo "Waiting..."}}; sleep 1; done; {{echo "Launched!"}}