1.17. Monitoring overridden units

Procedure

• Display an overview of overridden or modified unit files:

  # systemd-delta

  For example, the output of the command can look as follows:

  [EQUIVALENT] /etc/systemd/system/default.target  /usr/lib/systemd/system/default.target
  [OVERRIDDEN] /etc/systemd/system/autofs.service  /usr/lib/systemd/system/autofs.service
  
  --- /usr/lib/systemd/system/autofs.service      2014-10-16 21:30:39.000000000 -0400
  +++ /etc/systemd/system/autofs.service  2014-11-21 10:00:58.513568275 -0500
  @@ -8,7 +8,8 @@
   EnvironmentFile=-/etc/sysconfig/autofs
   ExecStart=/usr/sbin/automount $OPTIONS --pid-file /run/autofs.pid
   ExecReload=/usr/bin/kill -HUP $MAINPID
  -TimeoutSec=180
  +TimeoutSec=240
  +Restart=Always
  
   [Install]
   WantedBy=multi-user.target
  
  [MASKED]     /etc/systemd/system/cups.service  /usr/lib/systemd/system/cups.service
  [EXTENDED]   /usr/lib/systemd/system/sssd.service  /etc/systemd/system/sssd.service.d/journal.conf
  
  4 overridden configuration files found.