CentOS 7.0下使用yum安装MySQL

1.下载mysql的repo源mysql

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

2.安装mysql-community-release-el7-5.noarch.rpm包socket

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

安装这个包后,会得到两个mysql的yum repo源:/etc/yum.repos.d/mysql-community.repo,/etc/yum.repos.d/mysql-community-source.repo。server

3.安装mysqlget

$ sudo yum install mysql-serverit

根据提示安装就能够了,不过安装完成后没有密码,须要重置密码登录

4.重置mysql密码date

$ mysql -u rootservice

登陆时有可能报这样的错:ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (2),缘由是/var/lib/mysql的访问权限问题。下面的命令把/var/lib/mysql的拥有者改成当前用户:

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

重启mysql服务

$ service mysqld restart

接下来登陆重置密码:

$ mysql -u root  //直接回车进入mysql控制台mysql > use mysql;mysql > update user set password=password('123456') where user='root';mysql > exit;

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