How to Remotely Send Video to a Remote Broadcast Machine

We're trying to come up with a way to remotely get the video screen on my Linux box to a remote broadcast machine. I don't have that figured out yet. There is software available that used to work under wine that Matt and I used to use or kind of had to jump through some hoops to make it work, but we got it to work. And now that doesn't work anymore either. So I can't show you my screen as easy. Now I do have a backup Apple Macintosh computer. It's a, they named them after the Apple. They're not named after the orange and all this time. But if we do have something we need to show up on the screen