Upgrading LiteSpeed web server from 3.x.x to 4.x.x is easy even though you cannot do so through the web admin console. You are probably used to being able to click the upgrade link in the web admin console and have LiteSpeed do all of the work including having already downloaded the newer release. When upgrading between major versions though you are going to have to put in a little bit more work. Follow the directions below which outline step by step what needs to be done to upgrade LiteSpeed web server from 3.x to 4.x. Below the installation instructions is a more descriptive output of what you will see during the upgrade.
- Download New LiteSpeed Version: Logon to your Linux server and change the directory to /usr/local/src to download the 4.x version of LiteSpeed as described below.
- cd /usr/local/src
- wget http://www.litespeedtech.com/packages/4.0/lsws-4.0.1-std-i386-linux.tar.gz