[Ubuntu] 解決找不到ServerName的問題

解決每次重啟Apache2會有找不到ServerName的問題

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName

1. 修改httpd.conf這個空文件
$ sudo vi /etc/apache2/httpd.conf

2. 將以下內容複製進去
ServerName localhost