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The lsup Command
The 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.
Location
The lsup
command is located at $SERVER_ROOT/admin/misc/lsup.sh
. For my installation of LSWS, the command was thus:
/usr/local/lsws/admin/misc/lsup.sh
Options
Running the basic lsup
command will upgrade your installation of LiteSpeed Web Server to the latest release. Below are a few options for customizing the command:
* -f
If you already have the version to be installed, the basic lsup
command will abort. The -f
option forces lsup
to install no matter what version you have. 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 -v
option 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.