util-linux

By util-linux

Util-linux Alternatives

Similar projects and alternatives to util-linux

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better util-linux alternative or higher similarity.

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util-linux reviews and mentions

Posts with mentions or reviews of util-linux. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-07-13.
  • ULID: Like UUID but Sortable
    8 projects | news.ycombinator.com | 13 Jul 2024
    > Again I understand, most people don't seem to care about that, because they were born into cloud culture and have no clue what they are doing in terms of efficiency money/resource-wise.

    They have no clue about how computers work, full stop. Sure, they know programming languages, but generally speaking, if you ask them about IOPS, disk or network latency, NUMA, cache lines, etc. they’ll tell you it doesn’t matter, and has been abstracted away for them. Or worse, they’ll say sub-optimal code is fine because shipping is all that matters.

    There is certainly a difference between sub-optimal and grossly un-optimized code. Agonizing over a few msec outside of hot loops is probably not worthwhile from an efficiency standpoint, but if it's trivial to do correctly, why not do it correctly? One recent shocking example I found was `libuuid` in its various forms. util-linux's implementation [0] at its most recent tag is shockingly slow in larger loops. I'm fairly certain it's due to entropy exhaustion, but I haven't looked into it enough yet.

    MacOS uses arc4random [1] (which for Linux, is in glibc as of v2.36, but you can get it from libbsd-dev otherwise), and it's much, much faster (again, on large loops).

    I made some small C programs and a shell runner to demonstrate this [2].

    [0]: https://github.com/util-linux/util-linux/blob/stable/v2.40/l...

    [1]: https://man7.org/linux/man-pages/man3/arc4random.3.html

    [2]: https://gist.github.com/stephanGarland/f6b7a13585c0caf9eb64b...

  • The First Stable Release of a Rust-Rewrite Sudo Implementation
    7 projects | news.ycombinator.com | 6 Nov 2023
    There are su and runuser in util-linux (GPL-2.0) [1].

    [1]: https://github.com/util-linux/util-linux/tree/master/login-u...

  • Simula the Forgotten Programming Language
    2 projects | news.ycombinator.com | 2 Jul 2023
    >It remained in the "getty" process for some time, well into the {Free,Net,Open}BSD era.

    Still there in agetty: https://github.com/util-linux/util-linux/blob/master/term-ut... And, I imagine in other getty implementations.

  • Don't abuse su for dropping user privileges (2015)
    3 projects | news.ycombinator.com | 26 May 2023
  • Desktop Suddenly Failing to Boot - what are these error messages?
    2 projects | /r/linux4noobs | 26 May 2023
    Huh, I will try this later. Bit confused by the instructions on the Archwiki but I think I can figure it out. Thanks so much for the help. Btw, it seems you were right on what was wrong. Good eyes.
  • Capture your users attention with style
    4 projects | dev.to | 1 May 2023
    So, this script serves as a pretty good wall replacement (wall will strip all escape/control sequences other than \007, by the way).
  • How do you find the developers for obscure stuff
    2 projects | /r/linux | 21 Apr 2023
    The login program (used for terminal logins) is part of the util-linux project: https://en.wikipedia.org/wiki/Util-linux
  • hexdump nonsense error messages
    1 project | /r/linuxquestions | 24 Mar 2023
  • Would you use/try snaps if it has open source backend?
    6 projects | /r/linuxmasterrace | 12 Dec 2022
    if anbody actually at Canonical is reading this and wants me (and others) to take snaps seriously, please consider submitting pull requests to some of the core cli tool projects impacted by the way you guys abuse the loop device mechanism. Something simple like the ability to export HIDE_SNAP_MOUNTS=1 that gets picked up by the impacted tools in util-linux (lsblk, mount, blkid, fdisk, etc) and gnu coreutils (du, df) and simply hides the lines related to loop device mounts would go a long way - preferably only the ones added by snap but even an option to hide all of them would be better than nothing.
  • Best Way For Copying Between 2 PC's With Different UIDs via USB
    1 project | /r/linuxquestions | 26 Nov 2022
    Pick a different filesystem, or wait for this feature to land in util-linux.
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