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If you have not learned systemctl, you need to!

My server for this machine is low memory and the msyql piece craps out all the time. At this point when the site is unresponsive, I don’t even question what the issue will be. One command later and it is running again. After a largely useless legal warning.

Here is the magic command:

systemctl -H restart mysql

The -H is the magic. This new service controller for system has built in ssh-ing abilities. You will need to provide a password if you have not set up your private keys.

And if I need to check up on the service, same command just with status:

systemctl -H status mysql

For reference the old process would have been

service mysql restart

I know it doesn’t seem like a lot but, some of you will understand.

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