cent os > python 2.6 to python 2.7 upgrade

http://www.nerdsmind.com/how-to-upgrade-python-in-centos/

wget http://python.org/ftp/python/2.7.3/Python-2.7.3.tgz
tar -zxvf Python-2.7.3.tgz
cd Python-2.7.3
yum install gcc
./configure --enable-shared
make
make altinstall

rm /usr/bin/python

ln -s /usr/local/bin/python2.7 /usr/bin/python