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.

Can you give us the full output of the following commands?

ip addr

sysctl net.ipv6.conf.all.disable_ipv6