centos7下mysql安装

一、下载到本身指定的目录并安装
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm rpm -ivh mysql-community-release-el7-5.noarch.rpm yum update yum install mysql-server
二、设置权限 
chown mysql:mysql -R /var/lib/mysql
三、初始化mysql

mysqld --initialize
四、启动mysql

systemctl start mysqld
五、设置mysql 密码

 mysqladmin -u root password "your_password";

六、验证密码 进入mysql mysql -u root -p 输入刚设置的密码，成功进入mysql。七、开启容许局域网内链接GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'your_password' WITH GRANT OPTION;//刷新权限FLUSH PRIVILEGES;