yum报错File "/usr/bin/yum", line 30 except KeyboardInterrupt, e:
原因:学python的时候,把centos7自带的python2.7改成了python3.6.2。而yum使用的是python2,所以会出现yum报错。
解决方法:
在文件/usr/bin/yum、/usr/libexec/urlgrabber-ext-down最上面的一行改为#!/usr/bin/python2.7
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