Had a service in CentOS 4 server that went down every time the box rebooted. Got tired of starting it manually so I had to go find the command to start it automagically.

Surprisingly, it has nothing to do with “service”, which is how you start/stop it manually. It has the very unintuitive command “chkconfig” to make it start on boot. What a choice: chckconfig!

Oh well, here it is:

chkconfig --add httpd
chkconfig httpd on