191016 Linux中python2升级到python3导致yum命令报错

因为python2到python3的升级,导致使用yum相关的命令时报错:

报错一: command not found...

  方案:修改/usr/bin/yum文件的第一行,将结尾的python改成python27(或python2.7),请自行尝试,修改后能查询yum版本即可;

报错二:cannot retrieve matalink for repository:epel/x86...

  方案:sed -i ‘s#https://#http://#g' /etc/yum.repos.d/epel*repo  #将https改成http

报错三:使用yum install ***命令报错;

1 Downloading packages:
2   File "/usr/libexec/urlgrabber-ext-down", line 28
3     except OSError, e:
4                   ^
5 SyntaxError: invalid syntax

  方案:修改/usr/libexec/urlgrabber-ext-down,将/usr/bin/python最后的python改成python2.7(或27),请自行尝试,修改成功执行yum install命令即可;

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转载自www.cnblogs.com/jakye/p/11686940.html