Once you’ve verified that your Apache 2 and PHP 8.1 installations are working, you should definitely type out the phpinfo() command, especially if you have this running on a public-facing server: ...

sudo apt-get install php8.1-fpm -y In this instance, we have installed version 8.1 of the PHP and PHP-FPM packages. A common mistake is to install the PHP, not PHP-FPM package. The problem with this ...