今天使用yum安装软件时报错：
[root@westos1 ~]# yum repolist
-bash: /usr/bin/yum: /usr/bin/python2.4: bad interpreter: No such file or directory
报错原因时由于python的版本不匹配，只要在/usr/bin/yum中把第一行的#！/usr/bin/python改成#！/usr/bin/python2.6(系统中默认的版本)就可以啦~
[root@westos1 ~]# whereis python
python: /usr/bin/python /usr/bin/python2.7 /usr/lib/python2.7 /usr/lib64/python2.7 /usr/local/bin/python2.7 /usr/local/bin/python2.7-config /usr/local/bin/python /usr/local/lib/python2.7 /usr/include/python2.7 /usr/share/man/man1/python.1.gz
[root@westos1 ~]# whereis yum
yum: /usr/bin/yum /etc/yum.conf /etc/yum /usr/share/man/man8/yum.8
[root@westos1 ~]# vim /usr/bin/yum 将文件中的python版本改为对应的即可