Here’s how to install a LAMP server on the latest Ubuntu 20.04 LTS.

Install Apache.

apt install apache2
systemctl status apache2
systemctl is-enabled apache2

Install MariaDB.

apt install mariadb-server mariadb-client
systemctl status mariadb
systemctl is-enabled mariadb
mysql_secure_installation

Install PHP.

apt install php libapache2-mod-php php-mysql
systemctl restart apache2

Enable ssl and mod_rewrite.

a2enmod ssl
a2enmod rewrite
systemctl restart apache2