chkconfig is a command for checking and updating runlevel information for system services. For a primer on runlevels, check out our tutorial: Linux Runlevels Explained.
Pre-Flight Check
- These instructions are intended specifically for checking and updating chkconfig.
- I’ll be working from both a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.
View Full List of Services Using chkconfig
chkconfig --list
View Full List of Services That Start at Boot (Normally, Runlevel 3)
chkconfig --list | grep 3:on
Turn On a Service for the Default Run Levels (2,3,4,5)
chkconfig httpd on
Turn Off a Service for the Default Run Levels (2,3,4,5)
chkconfig httpd off
Turn On a Service for a Selected Run Level
chkconfig --level 3 httpd on
It is also possible to combine multiple levels into one command:
chkconfig --level 35 httpd on
Turn Off a Service for a Selected Run Level
chkconfig --level 3 httpd off
It is also possible to combine multiple levels into one command:
chkconfig --level 35 httpd off
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