hostname
sudo vi /etc/hosts
// Change
127.0.0.1 localhost [hostname (whatever your hostname is)]
// To
127.0.0.1 localhost localhost.localdomain [hostname]
sudo service apache2 restart
hostname
sudo vi /etc/hosts
// Change
127.0.0.1 localhost [hostname (whatever your hostname is)]
// To
127.0.0.1 localhost localhost.localdomain [hostname]
sudo service apache2 restart