CentOS7 安装mysql

1. 更换yum源

[root@#localhost ~]# cd /etc/yum.repos.d/[root@#localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS6-Base-163.repo[root@#localhost yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.backup[root@#localhost yum.repos.d]# mv CentOS6-Base-163.repo CentOS-Base.repo[root@#localhost yum.repos.d]# yum makecache

1. 获取mysql rpm信息

[root@#localhost yum.repos.d]# rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm[root@#localhost yum.repos.d]# rpm --rebuilddb

1. yum 安装mysql

[root@#localhost yum.repos.d]# yum install mysql-server

1. 配置开机启动服务

[root@#localhost yum.repos.d]# chkconfig mysqld on

1. 启动mysql服务，检查是否正常启动

[root@#localhost yum.repos.d]# systemctl start mysqld.service

1. 初始化数据库信息

[root@#localhost yum.repos.d]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [root@#localhost yum.repos.d]# mysql -u root mysqlmysql> UPDATE user SET Password=PASSWORD('root') where USER='root'; mysql> flush privileges;