Just a quick and very cool trick.
If you have a Synology NAS and you're conscious about power protection, it's very likely that you have an UPS connected to it. And this is great. But what about other machines?
If you need to stream your screen to an audience of many users, VLC is right for you!
This is a simple hack for when you're AFK. Gives you pictures of who's trying to login into your PC.
I'm part of the local LUG (Linux Users Group) and despite our association is not exactly a startup (founded in 2001 if I remember well) we're not organized like we would want to be. Bu we're trying!
In fact, among other things, we move away from "closed source" services like slack (a very powerful chat service, with tons of users around the globe) because our goal is to support Open Source Software.
Entering rocket.chat, an open source alternative to slack. And the good news is: it's great! It has everything we possibly need: mobile apps (android and iOS), desktop apps (linux, OSX and windows), bots, private groups, APIs, integration with other services... and Slack import :)