Forgot root password

Forget your root password?
On Red Hat/Centos most any linux box:

1. Get physical access to the box
2. reboot it
3. during the grub menu, type e
4. go down to the line that has 'quiet' in it, usually that's the one I use but it doesnt'really matter. what you are basically going to do is type single at the end of whatever line you want to boot.

*this will also walk you though it
http://www.cyberciti.biz/faq/grub-boot-into-single-user-mode/


5. this will dump you to single user mode, and you can just do passwd to set new root password