[37719] in Kerberos
Key has expired - NFS + krb5 + autofs + sssd
daemon@ATHENA.MIT.EDU (Thomas Beaudry)
Fri Sep 30 10:51:07 2016
From: Thomas Beaudry <thomas.beaudry@concordia.ca>
To: "kerberos@mit.edu" <kerberos@mit.edu>
Date: Fri, 30 Sep 2016 14:50:27 +0000
Message-ID: <1475247028127.59844@concordia.ca>
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Hi,
I mount a NFS share (windows file server) with autofs and sssd on my ubuntu 16.04 server that I connect to via ssh. Where I run into a problem is when i leave my ssh session on over night and come back in the morning I get a "key has expired" error when I try and access it. The only thing that fixes it is if, i close my ssh session and create a new one. I have tried using krenew (or the built in sssd ticket renewel) but it doesn't fix the problem. I even wrote a simple script that creates a new ticket every hour i.e. :
kinit ${user} -kt /usr/krb5/keytabs/.${user}.keytab
and it does in fact generate a new ticket every hour. This morning I did a klist, I saw that I had a new valid ticket but still couldn't access the NFS share this morning.
Any ideas or suggestions in debuging this would be a great help since I have spent days trying to find a solution.
Thanks!
Thomas
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