Related Posts
https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu
https://lornajane.net/posts/2016/php-7-0-and-5-6-on-ubuntu
For php7.4 sudo a2enmod proxy_fcgi setenvif sudo a2enconf php7.4-fpm sudo service apache2 restart
