查看Python版本

python --version

查看CentOS版本

cat /etc/redhat-release

安装所有的开发工具包

yum groupinstall -y "Development tools"

安装其它必需包

yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel

下载、编译和安装Python2.7.13

tar -xzvf Python-2.7.13.tgz
cd Python-2.7.13
./configure
make && make install

默认Python2.7.13会安装在/usr/local/bin目录下

ll -tr /usr/local/bin/python*

系统自带的Python在/usr/bin目录下

ll -tr /usr/bin/python*

更新系统默认Python版本

旧版本重命名

mv /usr/bin/python /usr/bin/python.old

删除默认的python-config和python2软链接

rm -f /usr/bin/python2```

# 创建新版本的Python软链接
```ln -s /usr/local/bin/python /usr/bin/python
ln -s /usr/local/bin/python-config /usr/bin/python-config
ln -s /usr/local/include/python2.7 /usr/include/python2.7

验证/usr/bin

ll -tr /usr/bin/python*

再次查看版本

python --version

安装setuptools(easy_install命令被安装在/usr/local/bin目录下)

wget https://bootstrap.pypa.io/ez_setup.py -O - | python

安装pip(pip命令被安装在/usr/local/bin目录下了)

easy_install pip

安装distribute包(可选)

pip install distribute

升级到2.7.13对其他软件的影响

yum and Shadowsocks Python版

对yum有影响