# change mirror to ubuntu.osuosl.org first
sudo apt-get update
sudo apt-get install build-essential libreadline-dev libssl-dev zlib1g-dev libxml2-dev libxslt-dev
mysql, rmagic, curl, git, vim, sqlite, nodejs nokogiri...
sudo apt-get install libxslt1-dev libxml2-dev libmagickwand-dev imagemagick libsqlite3-dev libcurl4-openssl-dev curl git git-gui vim-gtk mysql-server mysql-client ruby-mysql libmysqlclient-dev mysql-workbench exuberant-ctags icedtea-plugin nodejs rar wmctrl g++ g++-4.8 make
ruby 1.9.3