some useful aliases for ipython and ruby

.bashrc

#
# ~/.bashrc
#

# If not running interactively, don't do anything
[[ $- != *i* ]] && return

alias designer='designer -qt=4'
alias python='python2'
alias ipython='ipython2'
alias nb='ipython2 notebook'
alias qtcon='ipython2 qtconsole'

alias ls='ls --color=auto'
alias ssh="TERM=linux ssh"
PS1='[\u@\h \W]\$ '

PATH="$(ruby -e 'puts Gem.user_dir')/bin:$PATH"
export GEM_HOME=$(ruby -e 'puts Gem.user_dir')