linux下安装python2.7

1、下载
wget --no-check-certificate https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tar.xz
yum install zlib-devel bzip2-devel bzip2-devel ncurses-devel sqlite-devel -y
2、解压编译
tar -xzvf Python-2.7.9.tgz
cd Python-2.7.9
./configure --prefix=/usr/local/Python2.7
make
make install
cd /usr/bin/
mv python oldpython
ln -s /usr/local/Python2.7/bin/python python
[root@node01 bin]# python --version
Python 2.7.9

3、记着修改yum
vi /usr/bin/yum
#!/usr/bin/oldpython    修改为oldpython
import sys
try:
    import yum