一般在linux下安装mysql 的步骤如下:
安装前看是否安装过mysql,
yum list installed mysql*
如果有就用yum remove卸载mysql
查看yum库下是否有mysql-server
yum list | grep mysql 或 yum -y list mysql*
如果没有(一般在centos7下没有)
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
rpm -ivh mysql-community-release-el7-5.noarch.rpm
然后安装mysql
yum install mysql-server
yum install mysql-devel
如果有mysql-server,则按下面步骤
安装mysql客户端: