Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName

If you have installed apache2 and while starting or restarting apache2, you get this error. Try following steps to remove it.

Solution :

Add following line in /etc/apache2/apache2.conf

ServerName localhost

Restart apache2

# service apache2 restart

Now try again.