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What do I want to see in the Linux ecosystem in 2025?
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this post was submitted on 25 Dec 2024
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Good luck with this approach on a server.
If by ‘suspend’ you mean that the process will just halt, then: Which processes? All of them? Good luck displaying a message then. The last one that made a memory request? That might not be the true offender. The highest-consuming process? Same logic applies.
If by ‘suspend’ you mean moving the memory to disk, then a single misbehaving process, may end up eating all of memory and all remaining disk space.
Indeed, obviously I'm talking about desktops here.
You could use some kind of heuristic to suspend ones using the most memory/CPU. Or just suspend them all. Obviously you would exclude the processes needed to display the message.
No I meant just pausing their execution. I'm pretty sure ctrl-alt-del does something like this on Windows.