# Your machine is misbehaving and you need root access.  The network
# is dead, so kerberos is broken.  You need local root.  
# read this: http://www.cs.cmu.edu/afs/cs.cmu.edu/help/www/unix/ladmin.html
# Directions follow:

1. reboot your machine
2. At the options screen, type ctrl-x
3. type "linux init=/bin/sh"
4. wait for the boot sequence.
5. type "/etc/rc.d/rc.sysinit"
6. type "/etc/init.d/network start"
7. type "/etc/init.d/afs start"
8. /usr/local/bin/passwd root -l
9. /etc/init.d/afs stop
10. umount -a
11. hard reboot your machine
12. login as 'root:local'