I have a Thinkpad x1 nano that I threw Linux on. Not sure if it counts since it came with Windows installed, but Thinkpads have historically done well with Linux support.
It’s tiny, super light, can’t upgrade any parts, has minimal ports and I love it
Preface: I’m US based, I don’t know how barbers work where you’re from.
For me, finding a good barber includes having a conversation about what kind of things Im looking for. This can be as broad as “I don’t really know what fits me” or “I’m looking to go a bit longer so I can style it like this picture of a person with similar hair”.
After a couple of cuts, if I trust the barber can combine what I’m asking for with their skillset along with what they think looks good, I’ll tell them something like “look, I trust your style. You can cut it however you think looks good”. Their job is to cut your hair, but more importantly cut it in a way that makes you happy so that you keep coming back. A good barber will listen to you and get you a good haircut that gives you confidence :)
Good luck!