Every day fetchs many poor users forgot the password.
It may be found a few thousands letters on this subject.
1. Boot your miniroot Boot your miniroot by diskets bootdisk and rootdisk.
If you haven't these diskets you can try download they from
Sources for distribution bootdisks
(Slackware, Redhat or Debian mirrors).
Download these image disks on your Windows ( or whatever )
and after that you can create these two diskets by
If you haven't this program you can
also download it here with source and docs.
It maybe, that this diskets don't contain configuration
you computer need.
Then configure these diskets by distributive
2. Mount the disk. Mount your Linux disk to mountpoint, for example /mnt
mount /mnt /dev/hdb3
Now you can go to the mounted disk
Search there one of well known Unix utilities vi or sed or mv.
The best way to use vi. But maybe you can't run vi due to
For example, vi uses some share libraries ( /etc/ld.so.conf )
which aren't on the mounted disk.
3. What your need to edit Try now to edit your file /etc/passwd by vi or sed.
Your file /etc/password is in fact /mnt/etc/passwd.
You need to edit
the line contains the word "root".
For example, if your /etc/passwd contains the line
edit it and blank out the password field to the next:
You should be able to login as root and
you needn't any password for root.
After that, don't forget
to change your root password to new one.
It maybe done
by Linux utility passwd.
4. How to do by sed If your attempt to use vi was unsuccessful, try sed.
Here there is the format of the command sed you need:
sed /^root/s/.*:root:/root::0:0:root:/ /mnt/etc/passwd
5. How to do by other username So, maybe you have any other non-root username and
you do remember
the corresponding password.
Then you needn't vi and sed.
Reboot your Linux and
login with this other username.
Copy /etc/passwd to your local directory, save it for safety, edit it.
Now reboot to miniroot by bootdisk and roodisk, mount disk
and restore your /etc/passwd file from local directory.
If all these advices doesn't help try any crack program ...