Desinstale completamente o Apache do Ubuntu
sudo apt-get remove --purge apache2 apache2-data apache2-utils
Kipngetich
sudo apt-get remove --purge apache2 apache2-data apache2-utils$ sudo service apache2 stop
$ sudo apt-get purge apache2 apache2-utils apache2.2-bin apache2-common
$ sudo apt-get autoremove
$ whereis apache2
apache2: /etc/apache2
$ sudo rm -rf /etc/apache2