(Required) SERIAL_NO: This will register the server using the serial number specified and retrieve a license key.lsws_whm_autoinstaller.sh SERIAL_NO Parameters above used are discussed below. Start the installation with the following command.Download the auto-installer script and make it executable.Log in to the root account of the server.LiteSpeed will build its matching PHP (with LSAPI) based on this build of PHP. PHP must have been built with EasyApache.Make sure beforehand that all sites are working fine with Apache.Such proxies include Engintron, cPnginx, Cachewall(xVarnish) etc. Please uninstall any Varnish/nginx proxies that are in use in front of cPanel Apache before installing LSWS.Root account login to cPanel/WHM Server.Let’s start with the installation process. The entire process is automated and needs no extra steps. Today, in this guide we will learn how we can install LiteSpeed Web Server on cPanel/WHM CentOS Server using Apache WebServer. LSWS replaces all Apache functions but uses an event-driven approach to handle requests. LSWS can load Apache configuration files directly and works as a drop-in replacement for Apache while fully integrating with popular control panels. LSWS is compatible with commonly-used Apache features, including mod_rewrite. It can be used to replace an existing Apache server without changing any other programs or operating system details, and without breaking anything. LiteSpeed Web Server (LSWS), is proprietary web server software. LiteSpeed Web Server is the leading high-performance, high-scalability web server from Litespeed technologies.