UNIX for Dummies Questions & Answers

I changed the root password on the NIS master, now I cant login to any of the NIS clients. Or even the NIS master using normal logons, any ideas what might be wrong or how I can solve this?

Im running solaris 2.6 btw.

Changing root password on NIS master should not stop you or any other users from authenticating to
NIS but if yp deamon is not running or passwd map
is corrupt this will prevent users authenticating.

root password on your NIS master is stored locally in your /etc/shadow file not in NIS datebase so your could try logging on to your NIS master at the console using root password and check if yp daemon is running by issuing ps -ef | grep yp
if yp daemon is not running then you can restart it by issuing /etc/init.d/rpc start or /usr/lib/netsvc/yp/ypstart

if yp daemon is running and you still can't log on
then yp passwd map may be corrupt, you can rebuld the passwd map by cd/var/yp and issue ypmake passwd or make passwd.

if you can not log on at the console using root password, try rebooting NIS master hopefully this
restart yp daemon when NIS goes in to run level 3

if after reboot you could still not logon then boot NIS master from cdrom by issue boot cdrom -s
from OK prompt then mount /dev/dsk/c0t0d0s0 /mnt
then edit /etc/shadow remove the root entry.
then reset the passwd by issuing passwd root.

you can use the your newly reset root pasword to logon to console