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

# service apache2 restart

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

위와 같이 뜬다면

# vi /etc/apache2/httpd.conf

ServerName localhost

추가 하면 에러 메세지가 없어진다.