Forgejo (Gitea fork used by codeberg.org) is a lightweight self-hostable option, and has a web-ui-based file editor. It’s got an official docker image, and it’s packaged for freebsd, as well, which makes it very easy to deploy and maintain either containerized or on a server.

With the size of modern linux kernels, I think 1GiB for a /boot partition is the absolute minimum I would go for a current full-sized distributuon. You’ll run into these out-of-space issues on updates all the time otherwise.

I’ve used an old, out-of-support phone as a permanently plugged-in homeassistant control panel. Not quite self-hosting as in phone-server, but a fun easy project and a great way to keep an old device in use.

The bang syntax makes duckduckgo easily the best search engine - it’s a shortcut to everything, the perfect gateway to the internet.