摘要：
1.查看mysql安装 rpm -qa|grep -i mysql 2.卸载前关闭mysql服务 rpm -ev --nodeps mysql-community-release-el7-5.noarchrpm -ev --nodeps mysql-community-common-5.6.38-2 阅读全文
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摘要：
1.查看mysql安装 rpm -qa|grep -i mysql 2.卸载前关闭mysql服务 rpm -ev --nodeps mysql-community-release-el7-5.noarchrpm -ev --nodeps mysql-community-common-5.6.38-2 阅读全文
摘要：
cd /etc/yum.repos.d/ mv CentOS-Base.repo CentOS-Base.repo.bak wget -O CentOs-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo #yum源更新命令 yum clean all yum makecache yum update 阅读全文
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