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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    2 months ago

    The “bot” suggested I use RandomSleep. It’s not effortless.

    I got the idea to use systemd timers from another answer in this thread and thought I’d help you out with an Ansible playbook.

    In any case, I learned at least two things while reading the other replies, so it wasn’t a total waste. (and you got your answer)