安装Yum Repository

  1. [root@localhost ~]# wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm

Mysql Yum仓库

使用rpm来安装MySQL

  1. [root@localhost ~]# rpm -ivh mysql80-community-release-el8-1.noarch.rpm

使用yum安装mysql服务

  1. [root@localhost ~]# yum install mysql-server

检查是否已经设置为开机启动MySQL服务

  1. [root@localhost ~]# systemctl list-unit-files|grep mysqld
  2. mysqld.service disabled
  3. mysqld@.service disabled
  5. [root@localhost ~]# systemctl enable mysqld.service   #设置开机启动
  6. Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /usr/lib/systemd/system/mysqld.service.
  7. [root@localhost ~]# systemctl list-unit-files|grep mysqld
  8. mysqld.service enabled
  9. mysqld@.service disabled
  13. [root@localhost ~]# ps -ef|grep mysql # 查看是否启动MySQL服务
  14. root 4311 32702 0 21:07 pts/4 00:00:00 grep --color=auto mysql
  15. [root@localhost ~]# systemctl start mysqld.service #启动服务

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修改添加密码

在MySQL 8.04前，执行：SET PASSWORD=PASSWORD(‘[新密码]’);但是MySQL8.0.4开始，这样默认是不行的。因为之前，MySQL的密码认证插件是“mysql_native_password”，而现在使用的是“caching_sha2_password”。

  1. [root@SH1 /]# mysql
  2. Welcome to the MySQL monitor.  Commands end with ; or \g.
  3. Your MySQL connection id is 10
  4. Server version: 8.0.17 Source distribution
  6. Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  8. Oracle is a registered trademark of Oracle Corporation and/or its
  9. affiliates. Other names may be trademarks of their respective
  10. owners.
  12. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  14. mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '***passwd***';        #添加账号密码
  15. Query OK, 0 rows affected (0.01 sec)
  17. mysql> 
  18. mysql> FLUSH PRIVILEGES;        #刷新系统权限表
  19. Query OK, 0 rows affected (0.01 sec)
  21. mysql> exit;
  22. Bye
  25. [root@SH1 /]# mysql -uroot -p        验证密码生效
  26. Enter password: 
  27. Welcome to the MySQL monitor.  Commands end with ; or \g.
  28. Your MySQL connection id is 13
  29. Server version: 8.0.17 Source distribution
  31. Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  33. Oracle is a registered trademark of Oracle Corporation and/or its
  34. affiliates. Other names may be trademarks of their respective
  35. owners.
  37. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  39. mysql>