安装步骤如下:
1、检查系统是否已经装有MySQL:
rpm -qa | grep mysql
如果没有显示任何结果,则说明之前系统没有安装过MySQL。
2、下载MySQL的repo源:
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
执行命令如果报错:-bash:wget:未找到,则安装插件:
yum -y install wget
3、安装mysql-community-release-el7-5.noarch.rpm包:
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
4、安装MySQL:
sudo yum install mysql-server
等待下载完输入:y
回车。
5、重置MySQL密码:
mysql -u root
如果报错,可能是访问权限的问题。执行下一步:
chown root /var/lib/mysql/
6、重启MySQL服务:
service mysqld restart
7、设置MySQL登录密码:
service mysqld restart
use mysql;
update user set password=password('123456') where user='root';
exit;
重启MySQL服务:
service mysqld restart
8、设置root账户和远程连接密码:
mysql -u root -p
GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "root";
9、重启服务器:
service mysqld restart
10、关闭防火墙:
systemctl stop firewalld.service