Linux下升级python

1 解压Python-2.7.tgz

tar-zxvf Python-2.7.tgz

2 进入Python-2.7的解压目录下

3 执行以下命令安装

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

make

make install

4 备份以前版本的python

mv /usr/bin/python /usr/bin/python2.6

5 建立软链接

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