yum的卸載與從新安裝

操做系統版本：centos7java [root@linux-node3 ~]# uname -r 3.10.0-514.el7.x86_64 1、將現有的yum源卸載node [root@linux-node3 ~]# rpm -qa yum yum-3.4.3-150.el7.centos.noarch [root@linux-node3 ~]# rpm -qa | grep yum | xa

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