Starting sshd: /var/empty/sshd must be owned by root and not group or world-writable.

Starting sshd: /var/empty/sshd must be owned by root and not group or world-writable.      [FAILED]

这个是权限的问题
可采取以下两步解决

chown -R root.root /var/empty/sshd
 
chmod 744 /var/empty/sshd
 
service sshd restart

就可以解决上述的问题