linux升级python2.6,服务器Centos(linux)上python2.6.6升级到2.7.6，yum不能用了

服务器Centos(linux)上python2.6.6升级到2.7.6，yum不能用了的解决办法：

vim /usr/bin/yum

编辑第一行

#!/usr/bin/python

import sys

try:

改成如下(原python版本是2.6)

#!/usr/bin/python2.6

import sys

try:

这些yum正常了。

~ yum --version

3.2.29

Installed: rpm-4.8.0-47.el6.x86_64 at 2015-10-19 07:20

Built : CentOS BuildSystem at 2015-07-24 11:28

Committed: Lubos Kardos at 2015-06-15

Installed: yum-3.2.29-69.el6.centos.noarch at 2015-10-19 07:20

Built : CentOS BuildSystem at 2015-07-24 10:28

Committed: Johnny Hughes at 2015-07-22

Installed: yum-plugin-fastestmirror-1.1.30-30.el6.noarch at 2014-12-31 16:13

Built : CentOS BuildSystem at 2014-10-15 07:16

Committed: Valentina Mukhamedzhanova at 2014-08-11