python的升级（2.6------>2.7.x)
如下地址：http://note.youdao.com/share/?id=2928aeda020123bfdf2a2c76bc75e4a7&type=note#/
转载自：http://www.noanylove.com/2014/10/centos-6-5-sheng-ji-python-he-an-zhuang-ipython/
代码如下：
1 #!/bin/bash 2 yum install -y gcc 3 yum install zlib-devel openssl-devel sqlite-devel 4 wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tgz 5 tar -zxvf Python-2.7.8.tgz 6 cd Python-2.7.8 7 ./configure --prefix=/usr/local/python 8 make 9 make install 10 cd ~ 11 mv /usr/bin/python /usr/bin/python2.6 12 ln -sf /usr/local/python/bin/python2.7 /usr/bin/python 13 sed -i 's/#!/usr/bin/python/#!/usr/bin/python2.6/' /usr/bin/yum 14 wget https://bootstrap.pypa.io/get-pip.py 15 python get-pip.py 16 ln -sf /usr/local/python/bin/pip /usr/bin/pip 17 ln -sf /usr/local/python/bin/easy_install /usr/bin/easy_install 18 pip install ipython 19 ln -s /usr/local/python/bin/ipython /usr/bin/ipython 20 yum install readline-devel 21 yum install patch 22 pip install readline