一、卸载以前安装的mysql
1、查找
rpm -qa|grep -i mysql
2、卸载
rpm -e --nodeps 名字
二、安装
1、创建目录
cd /usr/local
mkdir mysql
cd ./mysql
2、下载rpm安装
sudo wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
3、安装下载的RPM包
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
#查看
rpm -qa|grep -i mysql
安装成功:
cd /etc/yum.repos.d/
ls -al
三、安装MySQ
1、安装MySQ
yum install mysql-server
rpm -qa|grep -i mysql
2、开启mysql
sudo systemctl start mysqld.service
3、查看mysql的状态
sudo systemctl status mysqld.service
4、停止mysql
sudo systemctl stop mysqld.service
四、mysql配置
mysql5.6初始没有密码
1、进入mysql
mysql -u root -p
2、选择数据库
use mysql;
3、修改密码
update user set password=PASSWORD("@Yexing123456") where User='root';
4、刷新配置
flush privileges;
5、用户添加远程登录功能
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '@Yexing123456';
6、重启mysql
sudo systemctl restart mysqld.service
五、设置开机自启动
systemctl enable mysqld
systemctl daemon-reload
六、测试
ifconfig