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Date: Mon, 10 Sep 2007 16:52:10 -0500
From: "Stephen Wittig" <nofx911@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] SSH won't restart
In-Reply-To: <49bf44f10709101212r26f869d9n2b6c7e6fd1f8395f@mail.gmail.com>
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References: <49bf44f10709080840k4f64df08r1f3ba9a4e3b4f031@mail.gmail.com>
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I think that there may be something significantly wrong with your box
(or configuration of sshd). I have never had a server disconnect an
active connection when killing the ssh daemon.
If there is someone that you can contact in the data center I would ask them to:
1) Backup your current sshd_config file
2) Restore the default sshd_config on the box, and then try restart the daemon
Are there any other applications that are not behaving correctly?
-Stephen
On 9/10/07, Grant <emailgrant@gmail.com> wrote:
> > Yes. As a personal preference I don't usually chain commands together
> > when trouble shooting something, but there is technically nothing
> > wrong with doing so.
>
> And now I'm locked out. What do you think guys?
>
> - Grant
>
>
> > > > This process is the ssh daemon:
> > > > root 2988 1 0 Sep04 ? 00:00:00 /usr/sbin/sshd
> > > >
> > > > Two things: before killing the process with the KILL signal, I would
> > > > try killing it with TERM
> > > > kill -TERM 2988
> > > >
> > > > If that doesn't work then kill the process with the KILL signal.
> > > >
> > > > I would also use:
> > > > /etc/init.d/sshd restart
> > > >
> > > > This will give the init script a chance to do some cleanup work before
> > > > restarting
> > >
> > > Do this:
> > >
> > > kill -TERM 2988 && /etc/init.d/sshd restart
> > >
> > > and if that doesn't work, do:
> > >
> > > kill -9 2988 && /etc/init.d/sshd restart
> > >
> > > ?
> > >
> > > - Grant
> > >
> > >
> > > > > > I just upgraded ssh and when I try to restart I get:
> > > > > >
> > > > > > * Stopping sshd ... [ !! ]
> > > > > >
> > > > > > I don't see anything about it in '/var/log/sshd/current'. How can I
> > > > > > figure out what is wrong? I'm a little nervous because I don't want
> > > > > > to shut myself out of this remote server.
> > > > > >
> > > > > >
> > > > > > I had a similar issue after a previous update to ssh when I went to restart
> > > > > > it to get it to use the new binaries. One of the nice features of sshd is
> > > > > > that your current session will say active even if you kill the sshd daemon
> > > > > > process. Of course, if you get disconnected then you will not be able to
> > > > > > log back in, so it's good to do what you need to quickly if you do need to
> > > > > > kill (or if it's really stuck, kill -9) the process. When I had this
> > > > > > problem I issued a `kill -9 PID_NUMBER && /etc/init.d/sshd start` - just be
> > > > > > sure that you're killing the /usr/sbin/sshd process and not one of your sshd
> > > > > > login forks at the same time.
> > > > >
> > > > > OK, I've got to be really careful here. I see the following processes
> > > > > in 'ps -ef':
> > > > >
> > > > > root 2988 1 0 Sep04 ? 00:00:00 /usr/sbin/sshd
> > > > > root 7573 2988 0 07:28 ? 00:00:00 sshd: root@pts/0
> > > > >
> > > > > Should I:
> > > > >
> > > > > kill -9 2988 && /etc/init.d/sshd start
> > > > >
> > > > > Are you sure? :)
> > > > >
> > > > > - Grant
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