I owned a 2019 z900rs. My buddy owns an xsr900. The xsr feels like a modern street bike. The z900rs feels like a classic Kawasaki Z, with a shitload more power and traction control.

Both feel sleepy once the retro novelty wears off. I traded the Z for a street triple.

So… you’re afraid of the command that does the thing you’re trying to do?

If you have multiple users writing to a directory, you should be relying on groups, permissions, and sgid and not care who the owner is.

The actual answer to OP’s question is to look up cognitive biases, and to eventually realize that “black” isn’t the relevant descriptor here.

Like seriously and I’m not even intending to be racist

(Though some smarmy asshole will for sure post this unironically thinking that they’re not being racist.)

Gatorz are tough as hell, and have some of the best polarized optics I’ve ever worn.

They’ll do lens replacements, and can make prescriptions as well.

Careful leaving them on a car dashboard though. They’re aluminum frames and I burned my temples once.

Flatpak is itself a file manager.

That duplicate of your folder in /run is due to filesystem links (or more likely a fuse mount, I’ve never actually looked into how flatpak works). But either way, they aren’t copies of the data.

Don’t “declutter” manually. Use your package manager.

The above is accurate, and can be considered accurate for any directory below or at well.

Per /run, it’s also mounted in memory, so trying to “declutter” it won’t get you anywhere and things will return on reboot.

If you are in a position to ask this question, it means you have no actual uptime requirements, and the question is largely irrelevant. However, in the “real” world where seconds of downtime matter:

Things not changing means less maintenance, and nothing will break compatibility all of the sudden.

This is a bit of a misconception. You have just as many maintenance cycles (e.g. “Patch Tuesdays”) because packages constantly need security updates. What it actually means is fewer, better documented changes with maintenance cycles. This makes it easier and faster to determine what’s likely to break before you even enter your testing cycle.

Less chance to break.*

Sort of. Security changes frequently break running software, especially 3rd party software that just happened to need a certain security flaw or out-of-date library to function. The world has got much better about this, but it’s still a huge headache.

Services are up to date anyway, since they are usually containerized (e.g. Docker).

Assuming that the containerized software doesn’t need maintenance is a great way to run broken, insecure containers. Containerization helps to limit attack surfaces and outage impacts, but it isn’t inherently more secure. The biggest benefit of containerization is the abstraction of software maintenance from OS maintenance. It’s a lot of what makes Dev(Sec)Ops really valuable.

Edit since it’s on my mind: Containers are great, but amateurs always seem to forget they’re all sharing the host kernel. One container causing a kernel panic, or hosing misconfigured SHM settings can take down the entire host. Virtual machines are much, much safer in this regard, but have their own downsides.

And, for Debian especially, there’s one of the biggest availability of services and documentation, since it’s THE server OS.

No it isn’t. THE server OS is the one that fits your specific use-case best. For us self-hosted types, sure, we use Debian a lot. Maybe. For critical software applications, organizations want a vendor so support them, if for no other reason than to offload liability when something goes wrong.

It is running only rarely. Most of the time, the device is powered off. I only power it on a few times per month when I want to print something.

This isn’t a server. It’s a printing appliance. You’re going to have a similar experience of needing updates with every power-on, but with CoreOS, you’re going to have many more updates. When something breaks, you’re going to have a much longer list of things to track down as the culprit.

And, last but not least, I’ve lost my password.

JFC uptime and stability isn’t your problem. You also very probably don’t need to wipe the OS to recover a password.

My Raspberry Pi on the other hand is only used as print server, running Octoprint for my 3D-printer. I have installed Octoprint there in the form of Octopi, which is a Raspian fork distro where Octoprint is pre-installed, which is the recommended way.

That is the answer to your question. You’re running this RPi as a “server” for your 3d printing. If you want your printing to work reliably, then do what Octoprint recommends.

What it sounds like is you’re curious about CoreOS and how to run other distributions. Since breakage is basically a minor inconvenience for you, have at it. Unstable distros are great learning experiences and will keep you up to date on modern software better than “safer” things like Debian Stable. Once you get it doing what you want, it’ll usually keep doing that. Until it doesn’t, and then learning how to fix it is another great way to get smarter about running computers.

E: Reformatting

Install the nginx proxy manager add-on, set up let’s encrypt for certificates and DuckDNS for name resolution, forward a port from your router. No need for homekit or a full vpn.