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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 3 months ago* (last edited 3 months ago) by remram@lemmy.ml to c/linux@lemmy.ml

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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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[–] remram@lemmy.ml 7 points 3 months ago

Thanks, that sounds like the ideal setup. This solves my problem and I need an APT mirror anyway.

I am probably going to end up with a cronjob similar to yours. Hopefully I can figure out a smart way to share the pool to avoid download 3 copies from upstream.