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首先再虚拟机中安装一个Centos7(VM虚拟机安装Centos7)
yum -y install wget
wget https://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
rpm -ivh mysql57-community-release-el7-8.noarch.rpm
cd /etc/yum.repos.d
yum -y install mysql-server
解决办法如下:
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
再次执行命令:yum -y install mysql-server
systemctl start mysqld
查看进程:ps -ef | grep mysql
MySQL安装成功后会有一个临时密码,我们可以使用grep
命令查看临时密码先登录进去MySQL,然后修改MySQL密码。
grep 'temporary password' /var/log/mysqld.log
mysql -uroot -p:kvtpkDqh9tz
set global validate_password_policy=LOW;
set global validate_password_length=5;
ALTER USER 'root'@'localhost' IDENTIFIED BY 'root';
(1)首先登录mysql
mysql -uroot -proot
(2)切换到mysql数据库
use mysql;
(3)查看user表
select User,Host from user;
发现root只允许localhost主机登录
(4)修改为任何地址都可以访问
update user set Host='%' where User='root';
(5)刷新权限
flush privileges;
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