If you have received this error while you were restarting the Apache2 server on Debian Squeeze:
Starting web server: apache2apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.1.1 for ServerName
To fix this problem you need to edit the /etc/apache2/apache2.conf.
1. Open the /etc/apache2/apache2.conf file with your favorite editor.
2. Now add the following line:
Restarting web server: apache2 … waiting ..