upgraded the base server from ubuntu 18.04 to 20.04, which required recompiling some of the ruby stuff and dealing with packages that had gone away. the actual mastodon / glitch-soc install is ancient, so next is to figure out if it is possible to upgrade that in place.
forgot to restart the `mastodon-streaming` and `mastodon-sidekiq` services, so now other people's toots are appearing.