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CentOS x64 6.5: if I connect as root to my server and do the following:

service sshd stop
/usr/sbin/ssh -d

I'll able to connect as user using public key authentication from my development machine:

ssh -v user@myserver.mydomain.com

When however I use the daemon:

service sshd start

I'm not able to connect anymore, and ssh asks for a password. tail -f /var/log/secure shows nothing.

Have you any idea why this is happening?

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    Run the client with multiple v to see more debugging info, as in -vvv. It may give you a clue. – garethTheRed Aug 9 '14 at 18:24
  • also try running "/usr/sbin/sshd -De" instead of "-d" - debug mode has several differences to normal daemon mode. – Dani_l Aug 9 '14 at 21:35
  • @Dani_l running /usr/sbin/sshd -De and trying to connect works fine: Accepted public key for user from 192.168.1.134 port 55803 ssh2. But after running service sshd start, the same client can't connect. – user34295 Aug 30 '14 at 18:28
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Have you looked at your processes - do they contain sshd?

ps -eF | grep ssh

Please check the output of the command mentioned above before and after stopping/starting the service. Maybe something goes wrong, when starting the daemon.

  • Nothing special after running that command. Any help? – user34295 Aug 30 '14 at 18:25
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This is a Centos bug.

Deleting first line "#!/bin/bash" from /etc/init.d/sshd fixes it.

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