How To Install PHP On Ubuntu VPS Server

PHP is one of the most widely used programming languages for:

• websites
• WordPress hosting
• SaaS platforms
• APIs
• business applications
• web development

It powers millions of websites and applications worldwide.

In this guide,
you will learn how to install PHP on an Ubuntu VPS server step-by-step.

What Is PHP?

PHP is a server-side scripting language used for:

• dynamic websites
• web applications
• APIs
• CMS platforms
• backend development

It works with:

• Apache
• NGINX
• LiteSpeed
• MySQL
• MariaDB

PHP is the foundation of many hosting environments.

Why Use PHP?

PHP is popular because it provides:

• fast web development
• wide compatibility
• strong community support
• database integration
• lightweight performance
• flexible hosting support

Popular platforms using PHP include:

• WordPress
• Laravel
• Magento
• Joomla
• WHMCS

Prerequisites

Before starting,
ensure you have:

• Ubuntu VPS server
• root or sudo access
• SSH access enabled

Recommended operating system:

Ubuntu 22.04 LTS

Step 1 — Connect To Your VPS Server

Connect to your VPS using SSH.

Command:

ssh root@your-server-ip

Example:

ssh root@192.168.1.10

Step 2 — Update Server Packages

Update existing packages.

Command:

apt update && apt upgrade -y

This improves:

• security
• compatibility
• stability

Step 3 — Install PHP

Install PHP package.

Command:

apt install php -y

Ubuntu will automatically install the latest supported PHP version.

Step 4 — Verify PHP Installation

Check installed PHP version.

Command:

php -v

Example output:

PHP 8.x.x

Step 5 — Install Common PHP Extensions

Install recommended PHP extensions.

Command:

apt install php-cli php-fpm php-mysql php-curl php-xml php-mbstring php-zip php-gd -y

These extensions are commonly required for:

• WordPress
• Laravel
• WHMCS
• APIs
• CMS platforms

Step 6 — Restart Web Server

If using Apache:

systemctl restart apache2

If using NGINX:

systemctl restart nginx

Step 7 — Test PHP Installation

Create PHP test file.

Command:

nano /var/www/html/info.php

Add:

<?php phpinfo(); ?>

Save the file.

Step 8 — Open PHP Test Page

Visit:

http://your-server-ip/info.php

You should see:

PHP Information Page

This confirms PHP is working correctly.

How To Install PHP-FPM

PHP-FPM improves:

• performance
• process management
• scalability

Install PHP-FPM:

apt install php-fpm -y

Start service:

systemctl start php8.2-fpm

Enable startup:

systemctl enable php8.2-fpm

Why Use PHP-FPM?

PHP-FPM provides:

• better performance
• lower memory usage
• improved scalability
• optimized process handling

It is highly recommended for:

• NGINX
• high traffic websites
• VPS hosting environments

Important PHP Commands

Check PHP Version

php -v

List Installed PHP Modules

php -m

Restart PHP-FPM

systemctl restart php8.2-fpm

Check PHP Configuration

php --ini

PHP Configuration File

Main PHP configuration file:

/etc/php/8.2/fpm/php.ini

CLI configuration:

/etc/php/8.2/cli/php.ini

Recommended PHP Optimizations

Increase memory limit:

memory_limit = 256M

Increase upload size:

upload_max_filesize = 128M

Increase execution time:

max_execution_time = 300

These improve hosting performance for larger applications.

How To Enable OPcache

Install OPcache:

apt install php-opcache -y

Enable OPcache improves:

• PHP performance
• application speed
• caching efficiency

Common PHP Errors

PHP Page Downloading Instead Of Loading

Possible causes:

• PHP not installed
• Apache PHP module disabled
• incorrect web server configuration

PHP-FPM Service Failed

Restart PHP-FPM:

systemctl restart php8.2-fpm

Missing PHP Extensions

Install required extensions manually.

Example:

apt install php-mysql -y

Why Businesses Use PHP

Businesses choose PHP because it provides:

• wide hosting compatibility
• scalability
• fast development
• strong CMS ecosystem
• enterprise flexibility

PHP powers millions of:

• websites
• SaaS platforms
• hosting systems
• business applications

Why Choose DJ Technologies VPS Hosting

DJ Technologies Linux VPS hosting provides:

• NVMe SSD infrastructure
• enterprise virtualization
• premium low latency network
• scalable cloud resources
• optimized PHP environments
• advanced infrastructure security
• high performance hosting
• 24×7 technical support

Our VPS infrastructure is optimized for:

• PHP hosting
• WordPress hosting
• SaaS platforms
• WHMCS hosting
• scalable web applications

Final Thoughts

PHP is one of the most important technologies for Linux VPS hosting environments.

Its:

• flexibility
• compatibility
• scalability
• strong ecosystem

make it ideal for:

• websites
• business applications
• WordPress hosting
• SaaS platforms
• scalable cloud infrastructure.