LAMP PHP 8.x Ubuntu 18.04 Installation – Step-by-step

Installing

2. 2. Enabling PPA Repo

   Add PHP PPA for Ubuntu GNU/Linux

   Add PHP Repo for Ubuntu

   PHP PPA for Ubuntu

3. 3. Installing LAMP

   Now to Install LAMP PHP 8.x on Ubuntu
   For the Default Setup play:

   sudo apt install apache2 php8.1 mysql-server mysql-client php8.1-mysql

   Or to replace MySQL with MariaDB Open Source Server

   Enabling MariaDB Repo for Ubuntu

   MariaDB Repository for Ubuntu

   In this case the Command become:

   sudo apt install apache2 php8.1 mariadb-server mariadb-client php8.1-mysql

   This Setup includes also the most useful Extensions and Tools.
   Then Test your new Php with:

   php -v

4. 4. Searching PHP 8.1 Extensions

   Again to Search PHP 8.1 Extensions.

   So you can Search for the available PHP 8 Extensions running:

   sudo apt search php8.1

   And possibily refine the Result using a grep Pipe

   sudo apt search php8.1 | grep [KEYWORD]

   Like for instance:

   sudo apt search php8.1 | grep mysql

   Some useful Modules to Support a WordPress Website can be installed with:

   sudo apt install php8.1-imagick php8.1-curl php8.1-gd php8.1-mbstring php8.1-xml php8.1-xmlrpc php8.1-soap php8.1-intl php8.1-zip

   

   Last, to Install multiple Packages at once you may use the following Syntax:

   sudo apt install php8.1-{curl,xml,imagick,mysql,fpm,bz2}