tar xvf Python-2.7.5.tar.bz2 mkdir /usr/local/python27 ls cd Python-2.7.5 ./configure --prefix=/usr/local/python27 make make install mv /usr/bin/python /usr/bin/python2.6.6
ln -sf /usr/local/python27/bin/python2.7 /usr/bin/python
python进去就可以看到具体的版本号了
原文：http://www.cnblogs.com/welkinok/p/4933510.html