centos7安装及配置mysql5.7

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