• 1 Post
  • 15 Comments
Joined 1 year ago
cake
Cake day: June 15th, 2023

help-circle
  • I’ve been trying to figure out what kind of personal computing device would fit in these power envelope.

    I dunno if this is what I want, but I like the idea anyway. ESP32 is like 500mW class or so (very rough estimate because I don’t care to look it up right now lol). So you can get more than 24-hours of processing with 4x AA cells or 18650 Li-ion.

    I feel like there’s something ‘under’ the classic smartphone that might still be useful as a personal gadget. But alas, smartphones are an always in your pocket device today. Bluetooth keyboard + Phone would be a more practical note taking application.


    Maybe this same thing, but instead as a minimalistic SSH shell for computer IT tasks? I like the design of this things keyboard at least.





  • Newspapers were always partially advertisement driven.

    But I think everyone would agree with me that Newspapers were better when a substantial base of their $$$ came from their subscriber base.

    Nothing is absolute in the world of money. There’s always additional sources of money elsewhere. From this perspective, I think we can argue that purely advertisement-driven media is what is most dangerous. Search is an important part of modern digital media, so thinking of the economic realities of funding, and how those economic incentives shape the website and future business is important.

    Maybe it fails, but Kagi is trying something new. And that’s good enough as an experiment for me. I dunno, maybe I’ll revisit the idea in 5 years or so, that’s really not much money in the great scheme of things.

    At very least, Kagi now has a “Fediverse search”, and now that “search-lemmy” seems to have died, I need something like Kagi to more easily search Lemmy.world and other Fediverse locations. (Google ain’t so good at this yet).





  • That’s not what storage engineers mean when they say “bitrot”.

    “Bitrot”, in the scope of ZFS and BTFS means the situation where a hard-drive’s “0” gets randomly flipped to “1” (or vice versa) during storage. It is a well known problem and can happen within “months”. Especially as a 20-TB drive these days is a collection of 160 Trillion bits, there’s a high chance that at least some of those bits malfunction over a period of ~double-digit months.

    Each problem has a solution. In this case, Bitrot is “solved” by the above procedure because:

    1. Bitrot usually doesn’t happen within single-digit months. So ~6 month regular scrubs nearly guarantees that any bitrot problems you find will be limited in scope, just a few bits at the most.

    2. Filesystems like ZFS or BTFS, are designed to handle many many bits of bitrot safely.

    3. Scrubbing is a process where you read, and if necessary restore, any files where bitrot has been detected.

    Of course, if hard drives are of noticeably worse quality than expected (ex: if you do have a large number of failures in a shorter time frame), or if you’re not using the right filesystem, or if you go too long between your checks (ex: taking 25 months to scrub for bitrot instead of just 6 months), then you might lose data. But we can only plan for the “expected” kinds of bitrot. The kinds that happen within 25 months, or 50 months, or so.

    If you’ve gotten screwed by a hard drive (or SSD) that bitrots away in like 5 days or something awful (maybe someone dropped the hard drive and the head scratched a ton of the data away), then there’s nothing you can really do about that.


  • If you have a NAS, then just put iSCSI disks on the NAS, and network-share those iSCSI fake-disks to your mini-PCs.

    iSCSI is “pretend to be a hard-drive over the network”. iSCSI can exist “after” ZFS or BTRFS, meaning your scrubs / scans will fix any issues. So your mini-PC can have a small C: drive, but then be configured so that iSCSI is mostly over the D: iSCSI / Network drive.

    iSCSI is very low-level. Windows literally thinks its dealing with a (slow) hard drive over the network. As such, it works even in complex situations like Steam installations, albeit at slower network-speeds (it gotta talk to the NAS before the data comes in) rather than faster direct connection to hard drive (or SSD) speeds.


    Bitrot is a solved problem. It is solved by using bitrot-resilient filesystems with regular scans / scrubs. You build everything on top of solved problems, so that you never have to worry about the problem ever again.



  • Wait, what’s wrong with issuing “ZFS Scan” every 3 to 6 months or so? If it detects bitrot, it immediately fixes it. As long as the bitrot wasn’t too much, most of your data should be fixed. EDIT: I’m a dumb-dumb. The term was “ZFS scrub”, not scan.

    If you’re playing with multiple computers, “choosing” one to be a NAS and being extremely careful with its data that its storing makes sense. Regularly scanning all files and attempting repairs (which is just a few clicks with most NAS software) is incredibly easy, and probably could be automated.


  • dragontamer@lemmy.worldtoLinux@lemmy.ml*Permanently Deleted*
    link
    fedilink
    English
    arrow-up
    1
    ·
    edit-2
    11 months ago

    Honestly, Docker is solving the problems in a lot of practice.

    Its kinda stupid that so many dependencies need to be kept track of that its easier to spin up a (vm-like) environment to run Linux binaries more properly. But… it does work. With a bit more spit-shine / polish, Docker is probably the way to move forward on this issue.

    But Docker is just not there yet. Because Linux is Open Source, there’s no license-penalties to just carrying an entire Linux-distro with your binaries all over the place. And who cares if a binary is like 4GB? Does it work? Yes. Does it work across many versions of Linux? Yes (for… the right versions of Linux with the right compilation versions of Docker, but yes!! It works).

    Get those Dockers a bit more long-term stability and compatibility, and I think we’re going somewhere with that. Hard Drives these days are $150 for 12TB and SSDs are $80 for 2TB, we can afford to store those fat binaries, as inefficient as it all feels.


    I did have a throw-away line with MUSL problems, but honestly, we’ve already to incredibly fat dockers laying around everywhere. Why are the OSS guys trying to save like 100MB here and there when no one actually cares? Just run glibc, stop adding incompatibilities for honestly, tiny amounts of space savings.


  • dragontamer@lemmy.worldtoLinux@lemmy.ml*Permanently Deleted*
    link
    fedilink
    English
    arrow-up
    15
    arrow-down
    5
    ·
    edit-2
    11 months ago

    Because it isn’t inferior.

    Ubuntu barely can run programs from 5 years ago, backwards compatibility is terrible. Red Hat was doing good but it just shit the bed. To have any degree of consistenty, you need to wrap all apps inside of a Docker and carry with you all the dependencies (but this leads you to obscure musl bugs in practice, because musl has different bugs than glibc).

    For better or worse, Windows programs with dependency on kernel32.dll (at the C++ level) have remained consistently deployed since the early 1990s and rarely break. C# programs have had good measures of stability. DirectX9, DirectX10, DirectX11, and DirectX12 all had major changes to how the hardware works and yet all the hardware automatically functions on Windows. You can play Starcraft from 1998 without any problems despite it being a DirectX6 game.

    Switch back over to Ubuntu land, and Wayland is… maybe working? Eventually? Good luck reaching back to programs using X.org dependencies or systemd.


    Windows is definitely a better experience than Ubuntu. I think Red Hat has the right idea but IBM is seemingly killing all good will built up to Red Hat and CentOS. SUSE linux is probably our best bet moving forward as a platform that cares about binary stability.

    Windows networking stack is also far superior for organizations. SAMBA on Linux works best if you have… a Windows Server instance holding the group-policies and ACLs on a centralized server. Yes, $1000 software works better than $0 software. Windows Server is expensive but its what organizations need to handle ~50 to ~1000 computers inside of a typical office building.

    Good luck deploying basic security measures in an IT department with Linux. The only hope, in my experience, is to buy Windows Server, and then run SAMBA (and deal with SAMBA bugs as appropriate). I’m not sure if I ever got a Linux-as-Windows-server ever working well. Its not like Linux development community understands what an ACL is in practice.



  • I don’t know Japanese law, but in US law, a shareholder has the right to attend shareholder meetings. This has a few effects:

    1. You can buy shares, hold them for the required time, and then sell them later. Its not like $3500 in Nintendo shares has changed much value in the past couple of weeks, the money is still there, its not like “spending” money on a fancy restaurant. Its an investment.

    2. Shareholders have the right to ask questions of the board and otherwise participate. The rules change from company to company, but the shareholders are the owners of the company. The board exists to serve the shareholders. So some degree of public questioning (from the shareholders) is traditional at these events.

    3. Causing a ruckus at these meetings is annoying and unhelpful to everyone. Shareholders are mostly concerned about how well Nintendo is doing. The most that probably should be wavered off topic with regards to games is maybe Nintendo setting sales expectations (ex: We released Zelda this year, which is one of the bigger releases. We probably won’t have another big release like that until next year… or whatever). Going deep into poses in Splatoon 3 is so far off topic that it definitely makes me uncomfortable.


  • I’m 75% of the way through Advance Wars 2 (from the Advance Wars Reboot-Camp remake). I normally get ~3 levels done per play session, but the last stage of Yellow Comet was more difficult than usual. I’m thinking these last stages are just harder than all the earlier stages.

    I might try a hard-mode run, or maybe I start playing competitive (erm… casual-level competitive. I dunno about beating the grandmasters in this game but I kinda wanna see where people are).