Hi, I have a small cluster of x86_64 machines running SL5.8 The machines have centralized logins via NIS/YP, and one of the nodes is the NIS master & serves home directories via NFS.
Recently, around the time I re-installed a few of the machines and added a new user, about half of the machines on the system started forgetting how to forward some of the NIS credential. Specifically, I get the following error. [nmoore@toulouse ~]$ ssh aykroyd nmoore@aykroyd's password: Last login: Fri Jan 18 21:34:37 2013 from toulouse.physics.winona.edu id: cannot find name for user ID 500 id: cannot find name for group ID 500 id: cannot find name for user ID 500 [I have no name!@aykroyd ~]$ ... [I have no name!@aykroyd ~]$ pwd /home/nmoore [I have no name!@aykroyd ~]$ ls -l .. total 4 drwx------ 27 500 500 4096 Jan 18 16:00 nmoore While the home directory is available for user nmoore on both machines, on the second machine (aykroyd) the user's name is unknown, and the graphical (non-remote) login fails immediately. remote (ssh) logins work. I've checked versions of ypbind, updated, deleted and re-installed users several times, and yet this strange behavior persists. The only inconsistencies I'm noted is that some (but not all) of the machines list IP6 as enabled in /etc/sysconfig/network, and the ntp times vary slightly between machines. Any suggestions of how to hunt down this bug would be appreciated! best regards, Nathan
