Pulled out an old Chromebook that hasn’t had new updates in years. Flashed the MrChromebox firmware and put ChromeOS Flex on it. Up to date again. Pretty easy!
My wife and I sometimes have a karaoke night at home, and this Chromebook is what I use to run the show. It’s all browser-based. I have a local web server to manage the song queue which folks can load on their phones over wifi, and the video/audio are cast from a tab on the Chromebook to a Chromecast connected to my TV.