CentOS 6.7默認的Python版本爲2.6.6，現升級爲Python 2.7.11
1、安裝編譯環境
yum groupinstall “Development tools”
2、安裝依賴的包
yum install gcc
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel
3、下載Python
wget https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz
tar zxvf Python-2.7.11.tgz
cd Python-2.7.11
4、編譯安裝
./configure –prefix=/usr/local/python
make && make install
5、直接調用
/usr/local/python/bin/python
6、替換舊版本
ln -sf /usr/local/python/bin/python /usr/bin/python
7、查看版本
python -V
Python 2.7.11