How to reset Solaris root's password, if you have forgotten the original one

Follow these steps to reset a forgotten root password:

You will need to have the Solaris Installation disk haddy.

1. Press the STOP key and the letter A key together. This will bring the SUN computer to the OK prompt.
2. Put the solaris software cdrom into the cdrom drive.
3. Type "boot cdrom -s" at the OK prompt to go to the single user mode
4. Once the pound sign (#) is vissiable, you must run the command "fsck -y" on the partion with the /etc/shadow file in it.
5. Type "fsck -y /dev/rdsk/c0t3d0s0" or use what ever target number is harddrive (t0 or t1).
6. Next you must mount the slice to the cdrom. Type mount /dev/dsk/c0t3d0s0 /a
7. Type the following commands at the pound sign (#).
• TERM=sun
• export TERM
• chmod 600 /a/etc/shadow
• vi /a/etc/shadow
8. Once in the vi edit mode, you must change the following first line to make it look the following second line:
   • root:09PsdfrJut:9259:::::::
   • root::::::::
9. Wirte and quit vi by using hitting the "esc" key and then ":wq!"
10. Unmout the drive by typing the following commands:
    • cd /
    • umount /a
    • fsck /dev/rdsk/c0t3d0s0
    • init 6
11. After the system reboots, you can login to root without a password.
12. To establish a new root password, use the passwd command from a terminal window.