====== Install utilities ======

===== zip =====
  # apt-get update
  # apt-get install zip

===== ntp =====

Install synchronization to Network Time Protocol servers:
  # apt-get install ntp

Configuration is in file /etc/ntp.conf\\
After changing the config file you have to reload the ntpd:
  # service ntp reload

View status:
  # ntpq -p

===== Java =====

Install Java to run the yuicompressor, which compresses css and js files:
  # apt-get update
  # apt-get install default-jre

Note that there are more than 150 dependencies to be installed.