The first step in updating the Plex server manually in FreeNAS is connecting the same via SSH or web GUI. One should navigate to plugins and switch off the installed server. The next step is to type “jls” after stepping into the inside of the shell. This will help a lot to determine the JID of the Plex media server.Is Plex free or not?
Plex is a "free" media server that enables you to put all of your media in one library and then stream it across all of your devices, even when you aren't on your home network. But while it is free to download, Plex is actually not free to use.