yum install安装提示 File /usr/bin/yum, line 30 except KeyboardInterrupt, e:

当下载python3为了方便，一般会为了方便创建一个软连接

mv /usr/bin/python /usr/bin/python_bak
ln -s /root/python/bin/python3 /usr/bin/python

我的python3的安装目录为/root/python，但是这样设置之后会导致yum无法正常使用，因为yum默认使用的是python2版本，所以会报错 File “/usr/bin/yum”, line 30
except KeyboardInterrupt, e:
^
SyntaxError: invalid syntax
看到网上有的说是把/usr/bin/yum中

#!/usr/bin/python
import sys
try:import yum

改成#!/usr/bin/python2.7，依据自己的版本而定，但是我这个方法没有成功，还是报错，所以我用了另外一个方法，那就是暂时把python3的软连接改回来。

mv /usr/bin/python /usr/bin/python_a
mv /usr/bin/python_bak /usr/bin/python

然后把这个改回来就可以了。

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yum install安装提示 File /usr/bin/yum, line 30 except KeyboardInterrupt, e:

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