Comment Re:Mine was already vintage. (Score 1) 46
Install rEFInd and you should be able to dual-boot. I dual-booted a 2019 Intel Mac Mini recently with MacOS and Ubuntu. While it worked, there aren't good drivers for the Mac stuff in Ubuntu. I can get close, but I needed to use a dongle for WiFi and basically had only 2D graphics/VESA. You are probably better off just booting Linux exclusively and making your old computer into a server.