Recovering or Resetting Root password in Linux
For any linux administrator, it is a nightmare to forget his root password. Every
one who knows linux, know how important it is to get back the system control in such
situations. I too had such situations, and here is what i did when i lost the root
password for my linux system.
Btw, Using this, you can only reset or change the old password, You can't recover or see what it was.
For Grub boot loader users :-
- Start the system, the grub boot loader starts.
- Hilight 'Redhat Linux' entry in the grub menu.
- Press [E] to edit the boot configuration.
- Find the line which looks like
'kernel /boot/vmlinuz-2.4.20-0.70 root=LABEL=/hdc=ide-scsi'
- Type number 1 (digit one) at the line's end.
- This boots the system into Single User Mode and You'll be automatically
logged as root(without asking for password).
- Now change your current root password using 'passwd' command.
- Now you have successfully changed your root password.
For LILO boot loader users :-
- Start the system.
- At the lilo boot prompt, type 'linux single' (without quotes).
- This boots the system into Single User Mode and You'll be automatically
logged as root(without asking for password).
- Now change your current root password using 'passwd' command.
- Now you have successfully changed your root password.
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