reinstalar apache2 ubuntu
sudo apt-get --purge remove apache2
sudo apt-get autoremove
sudo apt-get install apache2
sudo /etc/init.d/apache2 restart
Expensive Eagle
sudo apt-get --purge remove apache2
sudo apt-get autoremove
sudo apt-get install apache2
sudo /etc/init.d/apache2 restartsudo apt update
sudo apt install apache2