SSH Gateway: NTP

  -- apt-get install ntp

/etc/ntp.conf:

  
  server ntp3.mcc.ac.uk
  server ntp2.mcc.ac.uk
  server ntp1.mcc.ac.uk
  server ntp0.mcc.ac.uk

 
  /etc/init.d/ntp restart

tail -f /var/log/daemon to check all is well: