Centos7卸载yum并重装

CentOS Linux release 7.6.1810node uname -r 3.10.0-957.el7.x86_64 怎么搞yum都很差使，就把/etc/yum.repos.d下和/var/cache/yum/x86_64下面的文件全删了，仍是重安吧python 1.yum卸载centos # rpm -qa yum yum-3.4.3-150.el7.centos.noarch #

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