Search This Blog

Friday, September 30, 2011

HOWTO reset root password in linux redhat

Today when i trying to connect to our development database on linux server with root user, but i forget the correct password. :) because i was logging after a 10 months. after that i need to reset root password and this is the following step.
 linux machine :
Red Hat Enterprise Linux AS release 4 (Nahant Update 3)

and grub loader.

1. reboot machine
2. wait for GRUB splash screen appear
3. then click on "e" keyword in keyboard  (hit enter)
4. after that another window will open again click on "e" keyword in keyword to select "KERNAL ... " from list of value. (hit enter)
5.  then type "single" included space (hit enter)
6. then type "b" from keyboard to boot (hit enter)
7. system boot up as single user mode 
8. you will see # prompt , here type "passwd" command to change root password
9. reboot
10. enjoy to logging with new user


No comments: