CentOS 7 / RHEL 7 systemd commands

Rob —  July 29, 2014 — 2 Comments

By now, if you’ve played around with CentOS 7 (or RHEL 7), you’ve heard that there are now systemd commands you can start using to start, restart and stop various services. They still have the ‘service’ command included for backwards compatibility, but that may go away in future releases. Here’s a little tutorial to help you learn the systemd commands!

Ok, so you’re on your new CentOS 7 (or RHEL 7) system (we’ll just call it CentOS 7 for now to make it easier) and you restarted sshd with the old/familiar ‘service sshd restart’ command and you’re met with this: Redirecting to /bin/systemctl restart sshd.service

Now, it still restarted it, but that little note is annoying. It’s basically telling you “hey – things have changed… use systemctl now!”

You could now type ‘systemctl restart sshd’ for a shorter version.. here are some examples:

Stop service:

Start service:

Restart service (stops/starts):

Reload service (reloads config file):

List status of service:

What about chkconfig? That changed too? Yes, now you want to use systemctl for the chkconfig commands also..

chkconfig service on:

chkconfig service off:

chkconfig service (is it set up to start?)

chkconfig –list (shows what is and isn’t enabled)

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