将redhat的yum换成centos的yum

将redhat的yum换成centos的yum   1.卸载redhat自带的yum组件php [root@localhost ~]# rpm -qa|grep yum|xargs rpm -e --nodepshtml 2.查看系统版本node [root@localhost ~]#  lsb_release -a python 显示为：Red Hat Enterprise Linux Serv

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