yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel gcc-c++ -y
cd /usr/local/
tar -xvf Python-2.7.13.tgz
cd Python-2.7.13
./configure --prefix=/usr/local/python2.7
make
make install
mv /usr/bin/python /usr/bin/python2.6 移动原本的python
ln -s /usr/local/python2.7/bin/python2.7 /usr/bin/python
[root@Web01 ~]# python -V
Python 2.7.13 #显示升级成功
vim /usr/bin/yum #yum命令用的python2.6.6，所以要修改，不然yum命令使用不了
#!/usr/bin/python2.6.6 #将第一行修改成这样就ok啦