[CentOS] SSH suddenly started failing :(
Ross S. W. Walker
rwalker at medallion.com
Thu Jun 7 18:57:07 UTC 2007
> -----Original Message-----
> From: centos-bounces at centos.org
> [mailto:centos-bounces at centos.org] On Behalf Of Paul Heinlein
> Sent: Thursday, June 07, 2007 2:36 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] SSH suddenly started failing :(
>
> 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 at lt-131-jdl-f7 ~]$ ssh -Y -p 2222 192.168.0.1
> >> > john at 192.168.0.1'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.
Or if it is out of inodes on /var but plenty of blocks left...
-Ross
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