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- Press Stop-A on the console or Ctrl-] and send brk from a remote console connection to access the Open Boot Prompt (OBP)
- Insert a bootable Solaris CD and boot into single-user mode with boot cdrom -s
- Make a mount point within the /tmp file system by typing mkdir /tmp/mnt
- Mount the root partition of the boot disk in /tmp/mnt.
ex. mount /dev/dsk/c0t0d0s0 /tmp/mnt - Edit /etc/shadow with vi /tmp/mnt/etc/shadow
- Remove the encrypted part of the root password (the second field; fields are separated by colons), save, and exit
- Unmount the file system with umount /tmp/mnt
- Reboot the system and assign a new password at a shell prompt with the passwd command
# ed /tmp/mnt/etc/shadow
1p
s/:.............:/::/ (Note: there are 13 dots in the second field)
1p
w
q
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