Prepare Ubuntu 20.04 for Apache and PHP 7.4 FPM for magento 2.4

prepare-ubuntu-20-for-apache-php7.4-fpm-for-magento2.4.sh

sudo apt update && sudo apt upgrade
sudo apt install software-properties-common &&  sudo add-apt-repository ppa:ondrej/php && sudo apt update

# https://devdocs.magento.com/guides/v2.4/install-gde/system-requirements.html
sudo apt install php7.4-fpm php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-soap php7.4-zip php7.4-bcmath php7.4-xsl php7.4-mysql php7.4-mbstring php7.4-intl -y

sudo apt install libsodium-dev
sudo pecl install -f libsodium

sudo apt install apache2
sudo a2dissite 000-default

sudo a2enmod proxy_fcgi

sudo nano /etc/apache2/sites-available/<domain name>.conf
                <VirtualHost *:80>
                     ServerName !!! Domain name !!!
                     DocumentRoot /var/www/!!!site name !!!

                     <Directory /var/www/!!!site name !!!>
                          Options FollowSymLinks
                         AllowOverride All
                         Require all granted
                     </Directory>

                     <FilesMatch ".php$"> 
                         SetHandler "proxy:unix:/var/run/php/php7.4-fpm.sock|fcgi://localhost/"          
                      </FilesMatch>

                      ErrorLog ${APACHE_LOG_DIR}/error.log
                      CustomLog ${APACHE_LOG_DIR}/access.log combined  
                </VirtualHost> 
# Hit CTRL + X followed by Y and Enter to save and exit the file.

sudo a2ensite <domain name>.conf

systemctl reload apache2

# PHP INI: /etc/php/7.4/fpm/php.ini
# Pool config: /etc/php/7.4/fpm/pool.d/www.conf