23 February 2010

Reset root password - FreeBSD

FreeBSD won't let you go away with the simple init trick.
The solution is to mount the root partition from an other
OS (like a rescue CD) and change the password on the disk.

* Boot a live CD or installation CD into a rescue mode which
will give you a shell.
*   Find the root partition with fdisk e.g. fdisk /dev/da0
*   Mount it and use chroot:

# mount -o rw /dev/ad4s3a /mnt
# chroot /mnt                            # chroot into /mnt
# passwd
# reboot

Alternatively on FreeBSD, boot in single user mode, remount
/ rw and use passwd.

# mount -u /; mount -a               # will mount / rw
# passwd
# reboot

biOos

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