https://www.webhostingzone.org/blog/how-to-install-moodle-on-ubuntu-22-04
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sudo apt update
sudo apt install software-properties-common ca-certificates lsb-release apt-transport-https
sudo add-apt-repository ppa:ondrej/php
Install Apache, PHP-8.1, MariaDB MySQL server
$ sudo apt install apache2 php8.1 mariadb-server postfix
$ sudo apt install php8.1-mysql php8.1-fpm php8.1-iconv php8.1-mbstring php8.1-curl php8.1-tokenizer php8.1-xmlrpc php8.1-soap php8.1-ctype php8.1-zip php8.1-gd php8.1-simplexml php8.1-xml php8.1-intl
When installation is completed start apache web server.
$ sudo systemctl start apache2
$ sudo systemctl enable apache2
Configure Apache VirtualHost and PHP-FPM
1. Start PHP-FPM service and enable it on boot.
$ sudo systemctl start php8.1-fpm
$ sudo systemctl enable php8.1-fpm
2. To use PHP-FPM with Apache we need to enable proxy_fcgi and proxy modules.
sudo a2enmod proxy_fcgi proxy
3. Create Apache configuration file for Moodle.
$ sudo nano /etc/apache2/sites-available/moodle.conf
Enter the following configuration into the moodle.conf. Replace ServerName, DocumentRoot, Directory with your values.
<VirtualHost *:80>
ServerName moodle.example.org
ServerAlias www.moodle.example.org
DocumentRoot /var/www/html/moodle
<Directory /var/www/html/moodle>
Options -Indexes +FollowSymLinks +MultiViews
AllowOverride All
Require all granted
</Directory>
<FilesMatch \.php$>
SetHandler "proxy:unix:/run/php/php8.1-fpm.sock|fcgi://localhost/"
</FilesMatch>
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>