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Install and Configure OpenLiteSpeed Web Server on Ubuntu 20.04

OpenLiteSpeed is a high-performance, lightweight, open-source HTTP server developed and copyrighted by LiteSpeed Technologies, Inc. Users are free to download, use, distribute, and modify OpenLiteSpeed and its source code in accordance with the precepts of the GPL version 3 license.

Ubnutu Tutorials Sep 11, 16 by admin 5 min Read
Install and Configure OpenLiteSpeed Web Server on Ubuntu 20.04

LiteSpeed Web Server is the company's core product, a lightweight proprietary web server, which is able to read Apache configurations directly. The software is commonly used together with web hosting control panels, where it replaces Apache as the webserver.

It is one of the fastest web servers around the globe and supports thousands of concurrent connections. It offers a lot of useful features that make it a solid choice for many installations.

Some of the OpenLiteSpeed Features are:

  • Event-driven architecture: Fewer processes, less overhead, and enormous scalability
  • Apache-compatible rewrite rules: Rewrite engine understands Apache rewrite rule syntax
  • Built-in web-based interface: Builtin WebAdmin GUI, CyberPanel, or DirectAdmin control panel
  • HTTP/3 & HTTP/2 Support: Serves your site with the latest internet protocols
  • Multi-Thread Module: The fastest web service platform using custom MT module
  • Built for Speed and Security: Anti-DDoS features, bandwidth throttling, WAF support, and more
  • Support multiple PHP versions.
  • WAF, Anti-DDoS and Bandwidth throttling and more.

This tutorial is dedicated to showing you how to install OpenLiteSpeed on your Ubuntu 20.04 server.


  • A server running with Ubuntu 20.04
  • Access to a root user account or an account with sudo privileges
  • A basic understanding of Linux commands

Step 1: Add the LiteSpeed repository

Before we install OpenLiteSpeed, we will need to add the repository to our system because it is not available in the default repository. To do this, enter the following command:

wget -O - http://rpms.litespeedtech.com/debian/enable_lst_debian_repo.sh | sudo bash

Step 2: Install OpenLiteSpeed

Once the repository is added, install the OpenLiteSpeed with the following command:

apt-get install openlitespeed –y

Step 3: Enable PHP on your server

By default, PHP is not available in OpenLiteSpeed and we will need to activate it on our server. The following command you will see below will install PHP 7.4 with all needed packages for the functionality for OpenLiteSpeed. The following PHP will be enough to support the most commonly used web application.

apt-get install lsphp74 –y

Once the service is installed successfully, you will need to create a symbolic link to the installed package:  

ln -sf /usr/local/lsws/lsphp74/bin/lsphp /usr/local/lsws/fcgi-bin/lsphp5

Now you can start the OpenLiteSpeed service with the following command:

/usr/local/lsws/bin/lswsctrl start

Step 4: Set Administrative password

You will need to provide an administrative password to access the OpenLiteSpeed control panel. To do this, OpenLightSpeed comes with an easy to use script where you will be able to set the password.

Simply run the command below and fill in the details when prompted.


Please specify the user name of administrator.
This is the user name required to login the administration Web interface.
User name [admin]: openadmin
Please specify the administrator's password.
This is the password required to login the administration Web interface.     
Retype password: <RETYPE-PASSWORD>
Administrator's username/password is updated successfully!

Something to keep note of is that when requested to enter a username if you press ENTER without choosing a username, the username will be sent to admin. However, when requested to enter a password, you will have to provide a properly secure password.

Step 5: Access OpenLiteSpeed control panel

Now that the server is up and running, open the web browser and enter the following on your URL. Don’t forget to enter your server IP in the “enter_your_IP”.

https:// enter_your_IP:7080

In the appeared window, enter the Username and Password and click on Login. Once you enter the correct credentials, you will be greeted with the OpenLiteSpeed default dashboard.

Step 6: Change to port 80

By default, OpenLiteSpeed listens on port 8088 for any incoming and outgoing HTTP traffic. However, it is recommended to change port to port 80. To do this, head over to Listeners on the left-hand side panel.

Now click on the View button and you will come across the following page.

When you get to this page, click on Edit and you will be able to change the port number to 80.

Once the port is changed, click on Save and restart the OpenLiteSpeed to apply the changes.

Once it is done, you can go to your web browser and access the OpenLiteSpeed default website using the following URL.



There is so much that the OpenLiteSpeed web server can do. We have just covered the basics here. You can use it as a reverse proxy, host Joomla, Drupal, set up cache and much more.

In the above guide, you have learned how to install OpenLiteSpeed on Ubuntu 20.04 server. You also have learned how to enable PHP 7.4 support and change the HTTP default port. Now you can easily create a new website with OpenLiteSpeed web-based control panel!

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