Check services on CentOS 7

Check services that are enabled on CentOS 7

# systemctl list-unit-files

Or for a specific service

# systemctl status mysqld

Disabling a service on boot in CentOS 7
To disable, it’s simply a matter of running systemctl disable on the desired service.


# systemctl disable mysqld

Check which services failed to start on boot on CentOS 7
As a bonus, systemctl allows you to list all services that failed to start on boot, even though they were configured to start on boot.


# systemctl --failed

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