Pre-requisites Testing using PHP 8.0 Block network access to download.moodle.org , for instance, adding this in your local /etc/hosts file:  127.0 . 0.1    download.moodle.org The test assumes a valid path of /var/www/moodledata to use as data root - modify as appropriate for your system If you're using a Moodle folder with config.php, you'll need to remove it. Testing Execute the following command on a terminal: $ php admin/cli/install.php --lang=it --chmod=2777 --wwwroot=http://localhost:8000 --dataroot=/var/www/moodledata Press return to confirm (it) default Press return to confirm (2777) default Press return to confirm ( http://localhost:8000 ) default Press return to confirm (/var/www/moodledata) default Confirm no error/debugging notice was triggered, displaying the following: Undefined constant "NO_DEBUG_DISPLAY" in /var/www/html/lib/weblib.php:3270 Confirm you see the following text informing you that the lang pack could not be downloaded: <p>Lo scaricamento delle componenti non è andato a buon fine. Verificare le impostazioni del proxy. L'estensione PHP cURL è fortemente consigliata.</p> <p>Devi scaricare manualmente il file <a href="https://download.moodle.org/download.php/langpack/4.2/it.zip">https://download.moodle.org/download.php/langpack/4.2/it.zip</a>, copiarlo in "/var/www/moodledata/lang" e decomprimerlo.</p> Press n to exit the installer Re-enable network access to download.moodle.org Run the CLI command again Proceed to the step after confirming the location of data root: == Cartella dati == inserisci un valore oppure premi Invio per usare il valore di default (/var/www/moodledata) Confirm that the Italian language pack was successfully downloaded and extracted to /var/www/moodledata/lang/it Complete installation