raga formattando il computer ...reinstallato apache2
e quando restarto mida il seguente errore:
* Restarting web server apache2
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName

(13)Permission denied: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down

Unable to open logs