os installation
  install ubuntu-14.04.1-desktop-amd64.iso (???)

basic setup
  enable root account
    #sudo passwd root
    > <current password>
    > <root password>
    > <root password again>
  add the following line at the end of conf file
    "greeter-show-manual-login=true"
    #sudo vi /etc/lightdm/lightdm.conf (ubuntu 12.x)
    #sudo vi /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf (ubuntu 14.x)
  installed package upgrade
    #sudo apt-get update
    #sudo apt-get upgrade

configuration setup
  delete unnecessary shortcut icons  
  make terminal shortcut
  folder
    list view
  firefox
    change startup page (???)
    change download setup (???)
    clear history (???)

software installation
  git       : apt-get install git
  g++       : apt-get install g++ (???)
  wireshark : apt-get install wireshark
  tshark    : apt-get install tshark
You would..