Ubuntu – can’t start ssh after upgrade ubuntu

sshUbuntuupstart

When upgrading my system crashed, and now I can not start the service ssh

root@elizium:/# stop ssh
stop: Unknown job: ssh
root@elizium:/# uname -a
Linux elizium 2.6.24-19-server #1 SMP Wed Jun 18 15:18:00 UTC 2008 i686 GNU/Linux

Best Answer

run

service ssh start

/etc/init.d/sshd restart

Then verify if ssh runs or not by issuing command:

netstat -ntlp (which will show you sshd listening on port 22)

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SSH – Bad Owner or Permissions on ~/.ssh/config

I needed to have rw for user only permissions on config. This fixed it.

chmod 600 ~/.ssh/config

As others have noted below, it could be the file owner. (upvote them!)

chown $USER ~/.ssh/config

If your whole folder has invalid permissions here's a table of possible permissions:

Path	Permission
.ssh directory (code)	0700 (drwx------)
private keys (ex: `id_rsa`) (code)	0600 (-rw-------)
`config`	0600 (-rw-------)
public keys (*.pub ex: `id_rsa.pub`)	0644 (-rw-r--r--)
`authorized_keys` (code)	0644 (-rw-r--r--)
`known_hosts`	0644 (-rw-r--r--)

Sources:

openssh check-perm.c
openssh readconf.c
openssh ssh_user_config fix_authorized_keys_perms

Best Answer

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SSH – Bad Owner or Permissions on ~/.ssh/config

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