Enabling root SSH login on an ESX host

1. vi /etc/ssh/sshd_config
   
2. Find the line that starts with PermitRootLogin and change the no to yes.
   
3. Save file by Esc > : > qw
   
4. Restart the sshd service with the command:
   
   service sshd restart
   
   Alternatively, use the command:
   
   /etc/init.d/sshd restart