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How do I restart systemd service on failure?
You can however let systemd auto-restart it in case it fails or is accidentally killed. To do so, you can add the Restart option to the [Service] stanza.
How can I configure a systemd service to restart periodically?
Yes, you can make your service to restart it periodically by making your service of Type=notify . Add this option in [Service] section of your service file along with Restart=always and give WatchdogSec=xx , where xx is the time period in second you want to restart your service.
What does restart always do?
Restart policies Always restart the container regardless of the exit status. When you specify always, the Docker daemon will try to restart the container indefinitely. The container will also always start on daemon startup, regardless of the current state of the container.
How to Auto Restart a service in systemd-ttias?
You can however let systemd auto-restart it in case it fails or is accidentally killed. To do so, you can add the Restart option to the [Service] stanza. The above will react to anything that stops your daemon: a code exception, someone that does kill -9 , … as soon as your daemon stops, systemd will restart it in 5 seconds.
Is it safe to restart a daemon in systemd?
Give it a few seconds, and you’ll see the daemon was automatically restarted by systemd. Pretty useful if you have a buggy service that’s safe to just restart on failure!
How to force kill a service in systemd?
Notice the “Drop-In” section, which tells us that systemd knows about the new config file we added, and the Main PID line, which indicates that systemd knows which process to monitor. We can test this config by force-killing the service in question: sudo kill -9 6412 .
How to auto recover a crashed service in systemd?
So, we simply had to add a file like this at /etc/systemd/system/delayed_job.service.d/restart.conf: This configuration will vary for different services. You’ll have to read the systemd.service docs to figure out the specifics. In particular, you should read the docs for the Type, Restart , GuessMainPID, PIDFile, and RemainAfterExit options.