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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/
目录。cd /etc/yum.repos.d/
yum -y install mysql-server
报错:
解决:
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
再次执行 如下命令:
yum -y install mysql-server
systemctl start mysqld
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
然后把自己的临时密码咱贴到密码处回车即可
set global validate_password_policy=LOW;
set global validate_password_length=5;
ALTER USER 'root'@'localhost' IDENTIFIED BY 'admin';
修改密码为admin
sudo systemctl disable firewalld
(1)首先登录MySQL
mysql -uroot -padmin
(2)切换到mysql数据
use mysql;
(3)查看user表
select Host,User from user;
root
用户只允许localhost
主机登录登录(4)修改为允许任何地址访问
update user set Host='%' where User='root';
(5) 刷新权限
flush privileges;
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