this post was submitted on 28 May 2025
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    [–] [email protected] 88 points 5 days ago (1 children)

    I'm always a bit amazed of how things have progressed and on what Linux can still run.

    This is an extreme example, but it's also possible to run a modern Linux OS on SBCs like a Raspberry Pi Zero, and still have something somewhat usable depending on your needs.

    To have a computer half the size of a credit card with more RAM than my full tower rig from 2001 is amazing. And it can even run software from that era with dosbox or wine.

    My 15 years old laptop is still supported and can still read 1080p on YouTube, using Linux.

    Linux devs just recently decided to drop support for 486 CPUs and some early Pentiums.

    There's just no competition.

    [–] [email protected] 22 points 4 days ago (2 children)

    Pretty much the only place it doesn’t run is where you have hard real-time requirements and on extremely small embedded micro controllers.

    [–] [email protected] 21 points 4 days ago (2 children)

    But isn't there a RTOS Linux kernel?

    [–] Colloidal 18 points 4 days ago* (last edited 4 days ago) (1 children)

    Technically yes. But it can't support many hard real-time use cases. For that you need a true RTOS, thought from the ground up for that purpose. Something like VxWorks, QNX, some flavors of L4.

    [–] [email protected] 4 points 4 days ago (2 children)
    [–] [email protected] 2 points 4 days ago

    It's still around. The latest release (8.0) is free-as-in-beer for non-commercial use. It's still proprietary though.

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    [–] [email protected] 14 points 4 days ago

    Sort of. There's realtime builds, but the Linux definition of real time is more relaxed than dedicated RTOS's in exchange for a much more feature-filled OS. You should not use Linux if people could die when you miss a deadline. You want a simple system where it's easier to prove that can never happen.

    [–] [email protected] 3 points 4 days ago

    I believed the kinux kernel recently became real time?

    [–] [email protected] 32 points 4 days ago (2 children)

    Now if only browsers can become that lightweight again.

    [–] [email protected] 23 points 4 days ago

    Or websites, for that matter

    [–] [email protected] 5 points 3 days ago (1 children)
    [–] [email protected] 4 points 3 days ago

    While I appreciate the dedication, I am looking for something more akin to firefox 4.0 levels of functionality and resources usage.

    Back when your browser used around 512mb of RAM when you had 40 tabs open.

    [–] ICastFist 22 points 4 days ago (1 children)

    I'll just leave this little hummingbird here, it only needs 12MB of RAM and comes with graphics

    [–] [email protected] 6 points 3 days ago

    Wow, that's crazy

    [–] [email protected] 49 points 4 days ago (2 children)

    Those windows ram requirements are only to boot into the system, no way 2gb or 4gb enough for normal use

    [–] [email protected] 10 points 4 days ago

    My laptop with 4gb of ram and atom processor came with Windows 10 (I purchased it intending to put Linux on it). I tried it out just to see how W10 worked on it and it was absolutely excruciating and borderline unusable, and I was coming from a Pentium M with 512mb of ram. I have no idea how anyone would have thought it could be a functional system running that.

    [–] [email protected] 8 points 4 days ago (1 children)

    The PCs at my college has only 4GB of RAM with Windows 10. I hate having to use them cause they are so slow.

    [–] [email protected] 4 points 4 days ago

    I cannot imagine how disgustingly slow your college ones are compared to my high school's ones, which are 16gb ram, i7 boxes running windows 11. They are pretty damn slow even after they recently upgraded them a month ago.

    For most things, I just use my laptop since it stutters much less, but using pycharm on my laptop is pretty much impossible due to its lack of specs, so I begrudgingly use the PC.

    [–] [email protected] 54 points 5 days ago (1 children)

    At $DAYJOB, we've been working on a service which uses Raspberry Pis as edge devices. And our product manager – bless him – has made sure we'd have enough hardware budget and wanted to buy only Raspberry Pi 5, so we'd have really good performance.

    And I think, we really befuddled him with our reaction, because you know, normally devs won't say no to good hardware, but because our software happens to be efficient and Linux is efficient, we've just been like, eh, a Pi 3B+ is already a lot beefier than we need it.
    We had to explain that to him like five times before he actually started to believe it. πŸ™ƒ

    [–] [email protected] 21 points 4 days ago (2 children)

    So you use the raspberry pis to edge, huh? I guess I have another use for my 3b+ that's been collecting dust.

    [–] [email protected] 19 points 4 days ago

    Yeah, I considered explaining that differently, but figured it doesn't really matter for the story. πŸ˜…
    It's "edge" basically in the sense that it's on-the-edge towards the physical world: https://en.wikipedia.org/wiki/Edge_computing

    In our case, there's some dumb devices, which wouldn't be able to talk across the internet on their own, so we put Raspberry Pis next to them to hook them up to the internet. In other words, the Raspberry Pis just push network packages through, they're not going to be crunching numbers or whatever.

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    [–] [email protected] 49 points 5 days ago (1 children)

    Those windows requirement are lies.

    [–] [email protected] 64 points 5 days ago (2 children)

    Right? 2 GB for 64-bit Windows 10? The start button alone probably needs more RAM than that.

    [–] [email protected] 21 points 4 days ago

    What else are you going to use your RAM for if not generating advertisement revenue for shareholders.

    [–] [email protected] 2 points 3 days ago

    The start button alone probably needs more RAM than that.

    Nah, just all the ad telemetry gathered whenever the user hits the start button!

    [–] [email protected] 20 points 4 days ago (3 children)

    Arch users be like: Your system is way too bloated. Have you tried Arch?

    [–] [email protected] 7 points 4 days ago (1 children)

    Gentoo users be like: Your system is underperformant and unoptimized. Have you tried Gentoo, and compiling all the packages?

    Other users be like:
    Have you tried Slackware?
    Have you tried Damn Small Linux?
    Have you tried Linux From Scratch?
    Have you tried hand-optimizing a 386BSD system with a Mach kernel? OOPS, that's too far!

    [–] [email protected] 3 points 3 days ago

    Have you tried NixOS? (I use NixOS btw)

    [–] [email protected] 10 points 4 days ago* (last edited 4 days ago)

    Honestly making sure my PC only has software installed that I actually use is important to me because my internet is super slow. It took me over 1h yesterday to do a system update. I don't even wanna know how bad it would be if I had more than 2k packages, it's already bad enough now with 1.1k

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    [–] [email protected] 16 points 4 days ago (2 children)

    Why do we keep playing 10, windows died with 7

    [–] [email protected] 4 points 3 days ago (1 children)

    @Taleya @weird it's died with vista (last windows, supporting hardware profiles), or with end of xp support

    [–] [email protected] 3 points 3 days ago

    nah, I'd say 7. Solid OS, the Ps2 of windows releases

    [–] [email protected] 3 points 4 days ago

    My use of windows died when my XP install died.

    [–] [email protected] 20 points 5 days ago

    An esp32 can technically run Linux.

    [–] [email protected] 21 points 5 days ago (2 children)

    ok but what CPU are they using?

    [–] [email protected] 17 points 5 days ago (2 children)
    [–] [email protected] 5 points 5 days ago (1 children)

    It is a bit dated at this point

    Maybe something like Bouffalo Lab BL808

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    [–] [email protected] 6 points 5 days ago

    they are optional.

    [–] [email protected] 15 points 4 days ago (1 children)

    Double that and you could probably even run a GUI.

    [–] [email protected] 3 points 4 days ago

    There's also twin for framebuffer.

    [–] [email protected] 13 points 5 days ago (2 children)

    Linux on system RAM: I sip

    Linux on VRAM post-Wayland: BIG GULPS

    I used to be able to run a desktop on less than 1GB VRAM, now with 16GB it fills up starts misbehaving.

    [–] [email protected] 19 points 5 days ago (1 children)

    Ya might wanna check that because it's not normal

    I play star citizen in Wayland and don't even get close to 16GB vram utilisation

    [–] [email protected] 5 points 4 days ago (1 children)
    [–] [email protected] 6 points 4 days ago* (last edited 4 days ago) (3 children)

    I have a 24GB VRAM video card, and the only time I've noticed it using over 16GB is when I'm doing LLM stuff. I don't think that just running under Wayland has ever used much


    it's games that ask for video memory.

    Though for LLM stuff, I agree heartily. If I could get a video card with 128GB of VRAM (well, for a not-completely-insane price) I would. You can always use more VRAM there.

    But that's not really due to Wayland.

    [–] [email protected] 4 points 4 days ago (1 children)

    The problem is actually kwin-wayland, kwin5 on X11 was very frgual, where both kwin5 and kwin6 on Wayland eat vram for breakfast. Right now my desktop is using 4535MiB, the biggest user being plasmashell itself at 1120MiB

    It's not actually a wayland problem though and If I really wanted I'd of dropped back to X11 when I was still running plasma5 - but Wayland brings more solutions to the table than problems.

    [–] [email protected] 3 points 4 days ago* (last edited 4 days ago)

    https://lemmy.today/post/30379016/16636854

    According to a quick search I did, there is (was?) an issue causing excessive memory usage by Wayland compositors with Nvidia's driver; there's a manual fix listed at my link. Is there any chance that you're using Nvidia hardware?

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