install virtualenv

sudo easy_install virtualenv
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sudo easy_install virtualenvwrapper
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Open your bash script ~/.bashrc and add the following two lines:




export WORKON_HOME="$HOME/.virtualenvs" 
source $HOME/bin/virtualenvwrapper_bashrc
    
close the bashrc file and source them: 


source ~/.bashrc
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- See more at: http://blog.fruiapps.com/2012/06/An-introductory-tutorial-to-python-virtualenv-and-virtualenvwrapper#sthash.Gz7ajrCb.dpuf