chkconfig examples Linux a guide to controlling which services start during boot.
Listing current chkconfig settings.
# chkconfig --list
Add a service to the startup list if not already there. In this example vsftpd.
# chkconfig --add vsftpd
To set the service to start during boot (Will add to runlevels 2,3,4 and 5).
# chkconfig vsftpd on
To add to a specific runlevel 3 in this example.
# chkconfig --level 3 vsftpd on
To disable a service on boot will turn to off for all runlevels.
# chkconfig vsftpd off
To disable at a specific runlevel.
# chkconfig --level 3 vsftpd off
To remove a service from the chkconfig setup.
# chkconfig --del vsftpd
