centos7简易安装mysql8

1. 下载包：wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
   

2. 更新rpm缓存：sudo rpm -ivh mysql80-community-release-el7-1.noarch.rpm
   

3. 安装mysql-server：sudo yum install mysql-community-server --nogpgcheck 强制安装，避免出现公钥尚未安装的情况（–nogpgcheck）
   
   

4. 启动服务：systemctl start mysqld.service

5. 获取初始密码：sudo cat /var/log/mysqld.log | grep password
   Gu?rugGyW2mz

6. 登录：mysql -u root -p
   

7. 修改密码策略sudo vi /etc/my.cnf
   

8. 修改密码：