lsup command is a simple way to upgrade (or downgrade) LiteSpeed Web Server from the command line, allowing the possibility of upgrading hordes of LSWS installations with a single command.
lsup command is located at
$SERVER_ROOT/admin/misc/lsup.sh. For my installation of LSWS, the command was thus:
Running the basic
lsup command will automatically upgrade your installation of LiteSpeed Web Server to the latest release. There are also options for customizing the command listed below.
-f: If you already have the version to be installed, the basic
lsupcommand will abort. The
lsupto install even if the version you have is the same version as the LSWS to be installed. This can be useful if there has been a change in the build since you upgraded, but a new build has not yet been released.
-v: You can control what version you install with the
-voption followed by a version number. (For example:
./lsup.sh -v 4.2.2) This will allow you to downgrade to older versions if you run into a bug. Keep in mind, LiteSpeed only keeps the most recent few versions available. Much older versions are not available.