OpenLiteSpeed is the Open Source edition of LiteSpeed Web Server Enterprise. OpenLiteSpeed contains all of the essential features found in LiteSpeed Enterprise, and represents its commitment to support the Open Source community.
This tutorial will show you how to install OpenLiteSpeed web server on a CentOS 8 machine. You can perform these steps if you are running rhel 8 machine.
OpenLiteSpeed Features:
OpenLiteSpeed combines speed, security, scalability, optimization and simplicity in one friendly open-source package.
- Event-Driven Architecture: Fewer processes, less overhead, and enormous scalability. Keep your existing hardware.
- Upgrade from Apache: OpenLiteSpeed is mod_rewrite compatible, so you can continue to use your current rewrite rules.
- Friendly Admin Interfaces: OLS comes with a built-in WebAdmin GUI. Control panel support is available with CyberPanel.
- Built for Speed and Security: Features Anti-DDoS connection and bandwidth throttling, ModSecurity v3 integration, and more.
- Intelligent Cache Acceleration: Built-in full-page cache module is highly-customizable and efficient for an exceptional user experience.
- PageSpeed Optimization: Automatically implement Google's PageSpeed optimization system with the mod_pagespeed module.
- PHP LiteSpeed SAPI: Native SAPI for PHP allows external applications written in PHP to run up to 50% faster.
- One-Click Installation: Install OpenLiteSpeed, MariaDB and WordPress on various operating systems with just one click.
- WordPress Acceleration: Experience a measurable performance boost with OpenLiteSpeed and LSCache for WordPress.
- HTTP/3 Support: LiteSpeed is the first to provide a production-ready implementation of this new Internet protocol, previously known as HTTP-over-QUIC.
Prerequisites
You will need one CentOS 8 (physical or virtual) machine with minimal installed having root user privileges.
Disabling SELinux
You should change from SELINUX=enforcing to SELINUX=disabled in /etc/selinux/config file for smooth installation of the packages:
Save and close.Now reboot your machine to take changes into effect.
Adding EPEL Repository
It is recommended to install extra packages for enterprise linux repository before proceeding to install packages using yum package manager:
Installing Dependencies
You will need to install following required dependencies prior to install openlitespeed web server:
Installing OpenLiteSpeed
OpenLiteSpeed provides a repository for its software you can use to download and install the server with CentOS’s standard yum command.
Setting the Administrative Password
By default, the password is set to 123456, so you should change this immediately. You can do this by running a script provided by OpenLiteSpeed:
Verifying Server Status
OpenLiteSpeed should have started automatically after it was installed. You can verify this using the lswsctrl command:
If it is not started, you can start the server using lswsctrl:
Adding Firewall Rules
Now you need to allow these ports from firewall to access OpenLiteSpeed web interface.
Accessing Web Interface
Open up your favorite web browser and navigate to your server's hostname or IP address, followed by :8088 to specify the port:
http://server_name_or_IP:8088
You will see the default OpenLiteSpeed web page, which looks like below:
When you are done exploring the default site, you can navigate to the administrative interface. In your web browser, using HTTPS, navigate to your server’s name or IP address followed by :7080 to specify the port:
https://server_name_or_IP:7080
You will be prompted to enter the administrative username admin and password that you selected with the admpass.sh script in the earlier step:
Once you correctly authenticate, you will be presented with the OpenLiteSpeed administration interface:
From this administrative web console the majority of your configuration for the web server will take place.
Wrapping up
You now have a OpenLiteSpeed web server that is primarily managed through the administrative web interface.