Re: SSH suddenly started failing :(

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On Thu, 7 Jun 2007, John Lagrue wrote:

Cameron Showalter wrote:
 John Lagrue wrote:

>  All of a sudden I can no longer ssh into my server running CentOS 4.5
> > This is what happens: > > [john@lt-131-jdl-f7 ~]$ ssh -Y -p 2222 192.168.0.1
>  john@xxxxxxxxxxx's password:
>  Connection to 192.168.0.1 closed by remote host.
>  Connection to 192.168.0.1 closed.
> > And yes, the account does exist and the password is correct! > > Looking at the logs, I see this: > > Jun 7 18:51:37 moray1 sshd(pam_unix)[11348]: authentication failure;
>  logname= uid=0 euid=0 tty=NODEVssh ruser= rhost=192.168.0.209  user=john
>  Jun  7 18:51:46 moray1 sshd[11348]: Accepted password for john from
> : : ffff:192.168.0.209 port 57755 ssh2
>  Jun  7 18:51:46 moray1 sshd(pam_unix)[11352]: session opened for user
>  john by (uid=500)
>  Jun  7 18:51:46 moray1 pam_loginuid[11352]: set_loginuid failed
>  opening loginuid Jun  7 18:51:46 moray1 pam_loginuid[11352]:
>  set_loginuid failed
>  Does any of this make sense?
> > I've tried it on three different clients and get the same thing every
>  time.
> > JDL > > Jun 7 18:51:46 moray1 sshd[11352]: fatal: PAM session setup
>  failed[14]: Cannot make/remove an entry for the specified session

This last entry smells to me like it might be a disk-full error. Even if df reports lots of space free, it might be worth using lsof to see whether there are file descriptors open to large (but seemingly deleted) files.

--
Paul Heinlein <> heinlein@xxxxxxxxxx <> http://www.madboa.com/
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