If you have configured "spt" -- see https://github.com/Rigellute/spotify-tui https://github.com/Rigellute/spotify-tui -- you can "spt playback --like" to like t

If you have configured "spt" -- see https://github.com/Rigellute/spotify-tui https://github.com/Rigellute/spotify-tui -- you can "spt playback --like" to like the currently playing song. That program will work regardless of which device is currently playing things, i.e. I can run "spt playback --like" on my linux machine while the music is playing on my Windows box.