一、下载mysql官方的yum repository
wget -i -c http:
//dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
二、 安装mysql的官方yum repository
yum -y install mysql57-community-release-el7-10.noarch.rpm
三、安装mysql服务器
yum -y install mysql-community-server
四、移除掉官方的yum repository
yum -y remove mysql57-community-release-el7-10.noarch
五、配置mysql服务器
5.1 查看密码
semanage fcontext -a -t mysqld_db_t "/vdata/mysqldata(/.*)?"
restorecon -Rv /vdata/mysqldata/
systemctl start mysqld
grep "password" /var/log/mysqld.log
5.2 更改密码
set
global validate_password_policy=0;
set
global validate_password_length=1;
ALTER USER
'root'
@
'localhost'
IDENTIFIED BY
'new password'
;
5.3 开启远程访问
GRANT ALL ON *.* TO root@'%' IDENTIFIED BY '密码' WITH GRANT OPTION;
flush privileges;
5.4 防火墙增加配置
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload