p.enes.lv is a Fediverse instance that uses the ActivityPub protocol. In other words, users at this host can communicate with people that use software like Mastodon, Pleroma, Friendica, etc. all around the world.
This server runs the snac software and there is no automatic sign-up process.
;) curl -X BREW -H 'Accept-Additions: Whole-milk' -H 'Safe: if-user-awake' -H 'Content-Type: application/coffee-pot-command' -d start http://barista -vCC: @bagder@mastodon.social
* Host barista:80 was resolved.
* IPv6: (none)
* IPv4: 192.168.8.165
* Trying 192.168.8.165:80...
* Connected to barista (192.168.8.165) port 80
* using HTTP/1.x
> BREW / HTTP/1.1
> Host: barista
> User-Agent: curl/8.13.0
> Accept: */*
> Accept-Additions: Whole-milk
> Safe: if-user-awake
> Content-Type: application/coffee-pot-command
> Content-Length: 5
>
* upload completely sent off: 5 bytes
< HTTP/1.1 507 CUP IS ALREADY OVERFLOWING!!!
< Connection: close
<
* shutting down connection #0