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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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How to stagger automated upgrade? (lemmy.ml)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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I am using unattended-upgrades across multiple servers. I would like package updates to be rolled out gradually, either randomly or to a subset of test/staging machines first. Is there a way to do that for APT on Ubuntu?

An obvious option is to set some machines to update on Monday and the others to update on Wednesday, but that only gives me only weekly updates...

The goal of course is to avoid a Crowdstrike-like situation on my Ubuntu machines.

edit: For example. An updated openssh-server comes out. One fifth of the machines updates that day, another fifth updates the next day, and the rest updates 3 days later.

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[–] [email protected] 0 points 2 months ago (2 children)

Ubuntu only does security updates, no? So that seems like a bad idea.

If you still want to do that, I guess you'd probably need to run your own package mirror, update that on Monday, and then point all the machines to use that in the sources.list and run unattended-upgrades on different days of the week.

[–] [email protected] 0 points 2 months ago (1 children)

Ubuntu only does security updates, no?

No, why do you think that?

run your own package mirror

I think you might be on to something here. I could probably do this with a package mirror, updating it daily and rotating the staging, production, etc URLs to serve content as old as I want. This would require a bit of scripting but seems very configurable.

Thanks for the idea! Can't believe I didn't think of that. It seems so obvious now, I wonder if someone already made it.

[–] [email protected] 0 points 2 months ago* (last edited 2 months ago)

Yes, Ubuntu DOES only do security updates. They don't phase major versions of point releases into distro release channels after they have been released. You have no idea what you are talking about in this thread. You need to go do some reading, please. People are trying to help you, and you're just responding by being rude and snarky. The worst snark as well, because you think you are informed and right, and you're just embarrassing yourself and annoying the people trying to help you.