sentos yum安装mysql

1：$ wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

2：$ sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm

3：$ sudo yum install mysql-server

4：$ mysql -u root

5：$ sudo chown -R openscanner:openscanner /var/lib/mysql

6：$ service mysqld restart

7：$ mysql -u root

8：

mysql > use mysql;mysql > update user set password=password(‘123456‘) where user=‘root‘;mysql > exit;