You don’t. That’s not what caddy is. Use a bastion for ssh.

Edit: link https://www.redhat.com/sysadmin/ssh-proxy-bastion-proxyjump

The answer to your overarching question is not “common maintenance procedures”, but “change management processes”

When things change, things can break. Immutable OSes and declarative configuration notwithstanding.

OS and Configuration drift only actually matter if you’ve got a documented baseline. That’s what your declaratives can solve. However they don’t help when you’re tinkering in a home server and drifting your declaratives.

I’m pretty certain every service I want to run has a docker image already, so does it matter?

This right here is the attitude that’s going to undermine everything you’re asking. There’s nothing about containers that is inherently “safer” than running native OS packages or even building your own. Containerization is about scalability and repeatability, not availability or reliability. It’s still up to you to monitor changelogs and determine exactly what is going to break when you pull the latest docker image. That’s no different than a native package.

Just cause you’ve never seen them doesn’t make it not true.

Try using quadlet and a .container file on current Debian stable. It doesn’t work. Architecture changed, quadlet is now recommended.

Try setting device permissions in the container after updating to Debian testing. Also doesn’t work the same way. Architecture changed.

Redhat hasn’t ruined it yet, but Ansible should provide a pretty good idea of the potential trajectory.

It isn’t. It’s architecture changes pretty significantly with each version, which is annoying when you need it to be stable. It’s also dominated by Redhat, which is a legit concern since they’ll likely start paywalling capabilities eventually.

Every complaint here is PEBKAC.

It’s a legit argument that Docker has a stable architecture while podman is still evolving, but that’s how software do. I haven’t seen anything that isn’t backward compatible, or very strongly deprecated with notice.

Complaining about selinux in 2024? Setenforce 0, audit2allow, and get on with it.

Docker doing that while selinux is enforcing is an actual bad thing that you don’t want.

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Man, I use my switch all the time. But I love little metroidvania and smaller indie and single player games. Any time I see something interesting on steam, I’ll buy it on the switch if available.

I’ve also been using it to replay older stuff. The first red dead, the Arkham trilogy, currently going through Nier: Automata again.

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Or how about, rather than your narrow, specific 3 definitions, a fourth thing, such as how it’s phrased in the wiki:

Misogyny is hatred of, contempt for, or prejudice against women or girls. It is a form of sexism that can keep women at a lower social status than men.

The emphasis there is why you’re being called names on the internet. If you’re advocating systems or societal norms of gender oppression, you’re being misogynist. This remains true even if you’re not doing it intentionally.

The world we live in is deeply patriarchal, so it can be hard to see these problems, because the views and opinions you’ve got are just “normal”. Something being the norm doesn’t mean it isn’t oppressive, and having an opinion doesn’t mean you shouldn’t consider the impacts of that opinion.

Generally, if someone calls you a misogynist, and you go “bUt I rEsPeCt wOmEn”, you might want to take a little time to figure out where it’s coming from. It can certainly be real without fitting in your 3 tidy little self-serving definitions.

I’ll also point out that you can replace nearly every instance of misogyny in this thread with racism, and replace women with black, and it would be the same discussion. Or you could swap misogyny/women with misandry/men. Oppression is oppression, no matter who holds the power.

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Yup. Treating VMs similar to containers. The alternative, older-school method is cold snapshots of the VM, apply patches/updates (after pre-prod testing & validation), usually in an A/B or red/green phased rollout, and roll back snaps when things go tits up.

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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

It means if you search for anything, your first 3 pages of hits are the same useless websites that exist to push ads vaguely related to your search rather than real info. Trying to research a broken TV used to return things like AVForums or reddit threads or samsung support sites. Now it’s “TEN BEST TV’s IN 2024” that are nothing but sponsored content and affiliate links to tvs on amazon.

Google can’t figure out how to tell the difference between the former and the latter, and isn’t motivated to because they get paid for the ad clicks, and not for the forum clicks.