1.編輯nginx目錄的html下的test.php文件
命令:
vi /usr/local/nginx/html/test.php
添加如下內容:
<?php
echo "Zabbix 4.X 演示<br><br>";
$conn = new mysqli("127.0.0.1","root","a123456");
if ($conn->connect_error) {
die("連接數據庫失敗: ");
}
echo "連接數據庫成功";
?>
2.在瀏覽器訪問http://192.168.80.200/test.php
3.關閉mysql服務
命令:
systemctl stop mysql
4.再次驗證是否能訪問到mysql數據庫