1. 删除数据库

首先删除 WordPress 数据库：

## 登录数据库
$ mysql -u root -p

MariaDB [(none)]> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| wordpress          |
+--------------------+
MariaDB [(none)]> drop database wordpress;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
+--------------------+
MariaDB [(none)]> exit

2. 删除 WordPress 目录

$ sudo rm -rf /var/www/html/*
## 删除完毕重启服务器
$ sudo reboot