What features do you need? Just render a string with a given font and that’s it? Or something more advanced?

One is probably link local the other is global, that’s pretty normal. https://en.wikipedia.org/wiki/IPv6_address#Address_Scopes

Ah okay, it’s a user unit then. Try the following:

$ systemctl --user enable ydotoold
$ systemctl --user start ydotoold

It looks like you’re missing the ydotool.service unit file in the package. Can you check by running dpkg -L ydotool-custom (the name of the package you chose in step 3.4)?

Unit files are how services are defined in most Linux-based desktop systems, similar to services in Windows.

This may be true, however a simpler explanation is that a lot of people are in relationships, so the prior probability of liking someone who’s not in a relationship is already low. Also it could be that attractive people are more likely to be in a relationship, further reducing this probability.

Yeah so I’ve struggled with warping too and for me by far the best bang for the buck was alcohol. I’ve never tried glue or hairspray or any actual adhesives.

Have you cleaned the bed with alcohol or a similar solvent before printing?

xmpp is closer to IRC than to modern communications protocols. End-to-end encryption, for example, is an optional protocol extension, which hasn’t even been formally finalized yet (and probably won’t ever be, given it’s been 10 years now)