/var/log/secure

Oct 10 10:58:05 vps sshd[23799]: fatal: daemon() failed: No such device

# rm -vf /dev/null
removed `/dev/null`
-bash-3.2# mknod /dev/null c 1 3
Started SSH and the SSH started responding:

# service sshd restart
Stopping sshd: [ OK ]
Starting sshd: [ OK ]
-bash-3.2# service sshd status
openssh-daemon (pid 30608) is running…