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submitted 2 months ago by [email protected] to c/[email protected]

Credit for the answer used in the right panel: https://serverfault.com/a/841150

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[-] [email protected] 85 points 2 months ago

When you hate something so much you have to find weird corner cases to support your views. Even then the way described isn’t how someone who knows that they are doing would do.

The best way for an unprivileged user to manage a service is for that user to run it. That way you inherit the correct permissions / acls / selinux contexts.

The command to do so is:

systemctl --user start the_service.service

[-] [email protected] 11 points 2 months ago* (last edited 2 months ago)

What if multiple users have to manage that service?

Edit: nvrmnd, pretty sure the runnit solution won't allow this either, your answer is correct. What about while the service is already running? Wouldn't your solution require a restart?

[-] [email protected] 12 points 2 months ago

If the service is already running it has to be stopped as a system service and run as a user service. In order to ensure that the service inherits all the correct permissions / acls / se linux policies the service needs to be launched from the limited permissions context.

With the systemd approach you’re not just passing a control handle around. You’re ensuring the process is running under an appropriate security context.

If you want to let multiple users manage the user systems service, I would probably go with sudo and systemd user files. You could create a group which has sudo access etc. The important idea is that an unprivileged user controls an unprivileged service.

[-] [email protected] 3 points 2 months ago

With the systemd approach

What about this makes it "the systemd approach"? runit supports user services too. These are just two different tasks that are needed in different contexts. Sometimes what you need is to "pass a control handle around" to a privileged service. And sometimes you need to actually make a service unprivileged.

[-] [email protected] 5 points 2 months ago* (last edited 2 months ago)

pretty sure the runnit solution won’t allow this either

I'm no expert, but I think you could make a special group, set the supervise directory to be owned by that group, and add all relevant users to that group? Either way, as I explained in a different reply, running the service as a user vs letting that user control a root service are completely different things, and one is not always a substitute for the other.

[-] [email protected] 4 points 2 months ago* (last edited 2 months ago)

A generic stack overflow answer:

Do you REALLY need multiple users to manage that service? Maybe it's better to have multiple instances of that service and.... (This goes on and on)

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[-] [email protected] 44 points 2 months ago

he's trying to run the service as a user without run sudo, good luck trying that with runit

[-] [email protected] 2 points 2 months ago
[-] [email protected] 2 points 2 months ago

he don't want to log as root, so a root shell isn't what he want

[-] [email protected] 42 points 2 months ago* (last edited 2 months ago)

And people who like systemd just thought of the first part of the answer which is exactly what the asker ended up doing.

Which is basically the same as the runit way while putting everything in the user's directory.

[-] possiblylinux127 29 points 2 months ago
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[-] [email protected] 24 points 2 months ago

Big news (from 2017): debian held back software features because someone doesn't like the new way of doing things. Let's blame systemd for this unprecedented case.

What's wrong with giving access to the specific sudo command, as suggested in the other answers?

[-] [email protected] 22 points 2 months ago

How is chown-R someuser different from systemctl—user?

[-] [email protected] 24 points 2 months ago

one is giving the permission to manage the system service to a specific user, the other is running the service as the current user so they have permission to manage it by default

[-] [email protected] 12 points 2 months ago

I'm gonna fuck up my desktop now breaking away from systemd

[-] [email protected] 7 points 2 months ago

Yeah, I would switch off, but it just doesn't seem worth the effort for something I rarely interact with.

[-] [email protected] 11 points 2 months ago

If it’s providing you the functionality you want using an overhead you’re fine with, there’s no reason to change it.

[-] [email protected] 11 points 2 months ago

I'm using Debian without ever having been involved in the init-wars. What's wrong with Systemd and why should i not use it?

[-] [email protected] 4 points 2 months ago

I'd like to know too, a ELI5 version if possible. Somethingsomething monolithic, but what does that actually mean for me as an end user?

[-] [email protected] 9 points 2 months ago

In my personal opinion, correct me if I'm wrong:

Systemd was created to replace the init system, then through extreme scope creep took over way more than wanted and needed, the main developer was "problematic" to say it politically correct, and in practice it has over complicated many super easy tasks to the point that I hate it. Other init systems were intuitive, systemd is all but.

Few weeks ago I setup a systemd server ssh server. Changing the port would be 5 seconds in changing a line in the sshd config, but now with the new and improved systemd I need to follow some nightmare documentation into creating systemd files in unrelated places and reload configs or something and I'm done with it

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[-] [email protected] 3 points 2 months ago* (last edited 2 months ago)

If you've never had a reason to not use it, then it's fine to continue using it. Systemd has been shown to be more or less stable, fast, and secure. The reason I don't like it is because it makes simple things really complicated. Some examples:

  • The meme
  • u/[email protected] example with sshd
  • Distros that use systemd init also seems to prefer using other systemd components as well. So you can get caught in weird situations where one task is spread across two different systems (e.g. systemd timers vs cron, systemd-elogind vs acpid)

If none of these sound familiar, then switching to a non-systemd distro likely won't make your life easier. But if you do, then it might be worth considering.

[-] [email protected] 6 points 2 months ago

And how do you do this in gnu shepherd?

You don't!

[-] [email protected] 6 points 2 months ago* (last edited 2 months ago)

I'm out of the loop. The answer that references "one person's personal opinion" is from 2017, and the context it links to is from 2016. Surely things have changed since then, right?

.. Right?

(I'm genuinely asking, I've got no idea)

Edit: I just checked on Linux Mint 21.3. It's still on the same version as back then, 0.105. Well, Debian is nothing if not sable!

[-] [email protected] 3 points 2 months ago

Bookworm looks to be on version 122, so as downstream distros update to newer Debian versions, it should be updated now

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[-] [email protected] 5 points 2 months ago

Is it r-unit, or run-it?

I've read it as r-unit for so long and now I've only just realised that run-it makes far more sense

[-] [email protected] 3 points 2 months ago

lol I've been pronouncing nginx as "enn-jinx" for so long before I learned that it was "engine-ex".

[-] [email protected] 3 points 2 months ago

Someone is asking the important questions

[-] [email protected] 3 points 2 months ago

I'm not yet convinced that "violating the unix philosophy" is a bad thing. I'm not saying that it's not, I don't have a defined opinion about this yet

[-] [email protected] 2 points 2 months ago

DJB is a genius

[-] [email protected] 2 points 2 months ago

Guys I only used SystemD and I didn’t know you could use anything else lol stop hating I never had any problems!

[-] [email protected] 1 points 2 months ago

Which one looks more enterprisey and ensure your job security?

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this post was submitted on 13 Apr 2024
229 points (84.8% liked)

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