SSH main process ended

Posted by Khaled on Ask Ubuntu See other posts from Ask Ubuntu or by Khaled
Published on 2011-01-16T10:56:11Z Indexed on 2011/01/16 10:59 UTC
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I have a running ubuntu server 10.04.1. When I tried to login to the server via ssh, I could not. Instead, I got connection refused error. I tried to ping the machine and I got reply! So, the clear reason is that SSH daemon is stopped.

After reboot, I was able to login to my server via ssh. After some time, I looked at my logs /var/log/syslog and found the following records:

Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2465) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2469) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2473) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2477) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2481) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2485) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2489) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2493) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2497) terminated with status 255
Jan 16 10:57:09 myserver init: ssh main process ended, respawning
Jan 16 10:57:09 myserver init: ssh main process (2501) terminated with status 255
Jan 16 10:57:09 myserver init: ssh respawning too fast, stopped

I searched for a similar problem/solution. Some people said that this is caused by the SSH daemon trying to start before networking and they suggest to change ListenAddress in /etc/ssh/sshd_config to be 0.0.0.0. I think this is not the cause in my case, because my problem occurs after system is up and running.

Any idea what is causing this? This is ubuntu server and it should be running and accessed remotely using ssh.

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