豆瓣安装源
pip install packages -i http://pypi.doubanio.com/simple --upgrade --trusted-host pypi.doubanio.com pip uninstall packages
Python2.6删除后yum无法使用
http://smilepad.blog.51cto.com/6094369/1333478
http://mirrors.ustc.edu.cn/centos/6.8/os/x86_64/Packages/
如果出现类似“package python-libs-2.6.6-66.el6_8.x86_64 (which is newer than python-libs-2.6.6-64.el6.x86_64) is already installed”问题
强制删除包 rpm -e --nodeps 然后再 rpm -Uvh --replacepkgs