[Koha] unable to run apache after upgrade from 3.0 to 3.2

I am getting this error when updated my koha 3.0 to 3.2 what does it mean schm@sschm-desktop:~$ sudo /etc/init.d/apache2 restart * Restarting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName ... waiting apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName -- ---------------------------- Y.Yatheesh babu Librarian Shri Shakti College of Hotel Management Venus Plaza Begumpet Hyderabad-500 016 09966178388