linux（centos）之yum安装mysql

==官网== www.mysql.com www.oracle.com ==准备工作== 环境：# cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) 适当调整内存 关闭selinux # sed -ri '/^SELINUX=/c\SELINUX=disabled' /etc/selinux/config（vim /etc/s

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