linux中python2.6升级2.7

wget http://python.org/ftp/python/2.7.8/Python-2.7.8.tgz

tar -zxvf Python-2.7.8.tar.bz2

• ./configure --prefix=/usr/local/python27

  make && make install

mv /usr/bin/python /usr/bin/python_old

ln -s /usr/local/python27/bin/python /usr/bin/

python -V