Arun K. Khan wrote:
On Fri, 2005-09-09 at 10:22 +0530, Rohit Baisakhiya wrote:

I forget the root password.How to recover the root password?

1. Boot off of a rescue CD
2. mount the / partition to /mnt
3. edit /mnt/etc/shadow
4. zap the password field (see man 5 shadow)
5. Upon reboot: login and change the password


Instead boot in single user mode and change the password to what ever you want.


It is distro dependent -

SuSE 9.3 - need root password to boot into runlevel 1
FC 4     - !need root password to boot into runlevel 1 (I guess the same
for derivatives of Fedora/Redhat)


For distros that need root passwd for runlevel 1, the CD is required. However if the root operator has forgotten his existing password, it will be necessary in *both* bootup cases to delete the password entry either in /etc/shadow as mentioned by Arun or delete the second field entry 'x' in the /etc/passwd on the line corresponding to the root user. Then set a new password.

Regards,

Rony.

                
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