[root@iZuf6j83unak4htk3braolZ opt]# rpm -qa | grep mysql #查看是否已安装MySQL，无输出证明未安装
首先下载 yum 资源包，地址 https://dev.mysql.com/downloads/repo/yum/
[root@iZuf6j83unak4htk3braolZ opt]# wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm #下载 yum 资源包 [root@iZuf6j83unak4htk3braolZ opt]# rpm -ivh mysql80-community-release-el8-1.noarch.rpm [root@iZuf6j83unak4htk3braolZ opt]# yum update #更新 [root@iZuf6j83unak4htk3braolZ opt]# yum install mysql-server #安装 mysql-server [root@iZuf6j83unak4htk3braolZ opt]# mysqld --initialize #初始化 [root@iZuf6j83unak4htk3braolZ opt]# chown mysql:mysql -R /var/lib/mysql #配置权限 [root@iZuf6j83unak4htk3braolZ opt]# systemctl start mysqld #启动服务 [root@iZuf6j83unak4htk3braolZ opt]# systemctl status mysqld #查看服务状态 ● mysqld.service - MySQL Server Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2021-08-17 16:50:42 CST; 12s ago Docs: man:mysqld(8) http://dev.mysql.com/doc/refman/en/using-systemd.html Process: 23720 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS) Main PID: 23743 (mysqld) Status: "Server is operational" Tasks: 38 (limit: 12399) Memory: 362.2M CGroup: /system.slice/mysqld.service └─23743 /usr/sbin/mysqld Aug 17 16:50:40 iZuf6j83unak4htk3braolZ systemd[1]: Starting MySQL Server... Aug 17 16:50:42 iZuf6j83unak4htk3braolZ systemd[1]: Started MySQL Server.
查看 MySQL 安装默认密码
[root@iZuf6j83unak4htk3braolZ /]# grep "password" /var/log/mysqld.log 2021-08-17T08:48:13.097011Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: e!.&WSzp_2hB
进入 MySQL
[root@iZuf6j83unak4htk3braolZ /]# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 14 Server version: 8.0.26 Copyright (c) 2000, 2021, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. mysql>
修改密码
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
ok，到此已经完成！