centOS安装mysql

1.centos的yum源中默认没有mysql,需要先下载mysql的repo源

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

rpm -ivh mysql-community-release-el7-5.noarch.rpm

yum update

2.安装mysql

yum install mysql-server

3.修改权限

chown -R root:root /var/lib/mysql

service mysqld restart

4.修改密码

mysql -u root

use mysql;

update user set password=password('xxxx') where user='root';

FLUSH PRIVILEGES;

exit;