tldr/pages/linux/systemd-notify.md

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systemd-notify

Notify the service manager about start-up completion and other daemon status changes. This command is useless outside systemd service scripts. More information: https://www.freedesktop.org/software/systemd/man/systemd-notify.html.

  • Notify systemd that the service has completed its initialization and is fully started. It should be invoked when the service is ready to accept incoming requests:

systemd-notify --booted

  • Signal to systemd that the service is ready to handle incoming connections or perform its tasks:

systemd-notify --ready

  • Provide a custom status message to systemd (this information is shown by systemctl status):

systemd-notify --status="{{Add custom status message here...}}"