LiteSpeed Web Server is the leading high-performance, high-scalability web server from LiteSpeed technologies. It can be used to replace an existing Apache server without changing any other programs or operating system details. Best of all, it can be integrated without breaking anything. As such, LiteSpeed Web Server can quickly replace a major bottleneck in your existing web hosting platform.

With its comprehensive range of features and easy-to-use web administration console, LiteSpeed Web Server can help you conquer the challenges of deploying an effective web hosting infrastructure.

LiteSpeed Web Server Editions

LiteSpeed web server is available in three editions. These editions are listed below:

1. OpenLiteSpeed Edition – This edition is generally used for large, high-traffic websites. However, this edition is not compatible with any hosting control panel. It’s an open source edition and free for personal and commercial uses.
2. Standard Edition – This edition is generally used for small, low-traffic websites and is also compatible with hosting control panels such as WHM/cPanel & DirectAdmin. This edition is also free and can be used for personal or commercial purposes.
3. Enterprise Edition – This edition is widely used for large, high-traffic websites and is compatible with multiple hosting control panels. The enterprise edition is widely used by leading web hosting organizations to provide an excellent web hosting experience for their valuable clients. Enterprise edition has the highest level of stability and is supported by cPanel. It also integrates with DirectAdmin control panel.

LiteSpeed Web Server Features

LiteSpeed Web Server has superior performance in terms of both raw speed and scalability. LiteSpeed is faster than Apache while serving PHP contents. It’s an ideal hosting platform for serving WordPress, Joomla and Drupal based websites as it easily increases PHP’s performance and security.

Apache Compatibility

LiteSpeed Web Server is compatible with the commonly used Apache web server and its features such as mod_rewrite, .htaccess, and mod_security. LiteSpeed Web Server can even load the Apache configuration files, allowing it to work as a direct replacement for Apache. It is also compatible with the leading hosting control panels, such as cPanel, Plesk, and DirectAdmin.

Performance & Scalability

LiteSpeed Web Server increases the performance & scalability of web hosting platforms through its unique event driven architecture. It has the capability of serving thousands of clients simultaneously with minimum usage of server resources such as memory and CPU. The uniquely developed & optimized code of LiteSpeed Web Server increases PHP performance as well as serving static websites faster than Apache. It has the capability of handling sudden spikes in traffic as well as helping to manage against DDOS attacks without any DDOS mitigation hardware.

Security

LitSpeed Web Server is compatible with Apache’s mod_security feature and has built-in anti-DDoS capability. With customizable features such as per-IP connections and bandwidth throttling, IPs that make too many connections or requests or ask for too much bandwidth are blocked, stopping attackers before they overrun your server.

Cost Effective

Switching to LiteSpeed from Apache is an easy task and very cost effective in terms of support costs. LiteSpeed’s licensing costs are quite low compared to any hardware upgrades required to optimize a server running Apache. Additionally, LiteSpeed’s unique features help reduce support costs by providing an optimized, secure, and stable hosting platform. This in turn gives support technicians and administrators peace of mind instead of dealing with an overloaded server.

In Closing

With its mix of available features and the ease with which it can be implemented into your existing framework, LiteSpeed Web Server is an ideal solution for hosting providers seeking an alternative to Apache. By providing a low-cost, high-stability web hosting solution, LiteSpeed may be the perfect fix for your hosting needs.

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1) Login to your cPanel server as the root user and then use the commands below to download the plugin.

# cd /usr/local/src
# curl https://www.litespeedtech.com/packages/cpanel/lsws_whm_plugin_install.sh | sh

2) Log-in to WHM & you should see “Litespeed Web Server” menu under “Plugins” menu.

1. Click ‘Install LiteSpeed’ and let it run through the installation procedure, which is completely automated.

2. Upload the trial license key file which would be in a ‘.zip’ format. (You need to purchase license for 15 days trial period or go for an Enterprise version) Give the LiteSpeed target installation directory (IE: /usr/local/lsws)

3. Set Port Offset ( set to 0 to replace Apache otherwise set a number like “2000” to try LiteSpeed on port 2080. Setting a port makes the server to run Apache and Litespeed in parallel. )

4. Enable PHP SuEXEC

5. Choose admin username & password and start installing.

6. Litespeed should now be installed on your server. Now click on “Build Matching PHP Binary” option this will take 10-20mins (Apache will stay running).

7. Click ‘Switch to LiteSpeed

8. Restart litespeed .

NOTE – Do NOT uncheck “httpd” service under WHM service manager, otherwise WHM wont restart LiteSpeed automatically when configuration has been changed

9. To integrate LiteSpeed with cPanel access admin area at https://yourserverip:7080

10. Goto Configurations >> Server >> General

11. Scroll down to “Using Apache Configuration File” click on edit and make the changes specified as in the below screenshot.

12. Now move to “Index Files” on the same screen and set it as follows , save and click on back

13. Move to htaccess on the same screen, click on edit and make the changes as specified in the below screenshot. Once done click on save and then click on Back.

14. Now move back to the configurations >> Server >> Listeners and delete all current listeners.

15. Restart the litespeed webserver with command “service lsws restart” from SSH

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