下载mysql的repo源
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
安装mysql-community-release-el7-5.noarch.rpm包
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
安装mysql
sudo yum install mysql-community-server
mysql -u root
登录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),原因是/var/lib/mysql的访问权限问题。下面的命令把/var/lib/mysql的拥有者改为当前用户:
e) $ sudo chown -R root:root /var/lib/mysql
重启mysql服务
$ service mysqld restart
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