rhel5.3安装python 2.7报错--172

报错信息：
# yum list all
-bash: /usr/bin/yum: /usr/bin/python: bad interpreter: No such file or directory
处理方法：
把python版本改为2.4
# vim /usr/bin/yum
#!/usr/bin/python2.4
ln -s /usr/local/bin/python2.7 /usr/bin/python2.4

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