Busybox Alternatives

busybox reviews and mentions

• Ash: A Gentle Primer
  1 project | news.ycombinator.com | 7 Oct 2023

  Also known as Dash in Debian (it's satandard POSIX shell) and sh in Busybox that sadly tainted the original BSD source file with GPL2.

  https://github.com/mirror/busybox/blob/master/shell/ash.c

• Everything I wish I knew when learning C
  2 projects | news.ycombinator.com | 28 Nov 2022

  More Good projects to learn from:

    - Busybox (https://github.com/mirror/busybox)

• what are some tiny c programs I can play about with?
  3 projects | /r/cprogramming | 8 Nov 2022

  Also, it's barebones POSIX, and not the Linux extensions you commonly think of. But, that means the processes are a lot simpler, and the code is often less complex. So it's a good place for a beginner to dip into to see how .e.g mv works, compared to GNU mv.

• Looking for a simpler version of BusyBox for educational purposes
  4 projects | /r/linux_programming | 3 Nov 2022

  Sure... There are symlinks in the installation, and there's a small main() function that dispatches execution to the appropriate function based on argv[0], but that doesn't significantly impact the C implementation of each individual tool. Those seem pretty straightforward, to me. A developer reading.. e.g. chmod.c isn't going to see any evidence of symlinks, and minimal impact from the external main() function.

• Any good resources on making a C implementation of the Unix ls command?
  5 projects | /r/C_Programming | 1 Nov 2022

  BusyBox: https://github.com/mirror/busybox/blob/master/coreutils/ls.c

• /* Act like "true" by default; false.c overrides this. */
  3 projects | /r/programmingcirclejerk | 21 Oct 2022

  true false

• ISC DHCP Server has reached EOL
  3 projects | news.ycombinator.com | 10 Oct 2022

  Ok here is my followup. I didn't go into detail about kea hooks [0] because I didn't write any kea hook before, but from what I can tell it should cover all your needs. You have to write c code which I find absurd tbh, but if it has the functionality you are looking for it could be a solution.

  I already posted my dnsmasq "solution" so I will skip this. If you want a code example I could whip you one up.

  Then there is coredhcp [1] and you can write plugins written in go for it.

  From time to time some hobby dhcp server pop up, but most fade away since (I guess) the existing solutions are "good enough". I for instance implement a automatic provisioning and configurating dhcp setup with tftp and pxe boot using dnsmasq. It automatically creates pxe configs based on the mac address and some other stuff (tm). Kea seemed overkill for this usecase and I'm quite happy with what I got.

  Your use case of automatically fixing hostnames through ISC seems a bit overkill to me as well to be frank. My home network has a few VLANs and every device in it is managed manually. It's a one time setup and most automation is unnecessary (and some devices in my network flatout ignore some dhcp options....). Aaaaanyway I still think that most dhcp servers out there support some form of scripting (heck even udhcpcd has a lease notify script that could be hacked to offer some of that functionality even though this gets only executed after the fact so a bit useless [2]).

  > oh wait, I wonder how much ISC was paid … to do exactly this EOL … by these major ISPs?

  I don't know. Nothing?

  > Plausible future: I can envision a special DHCP vendor-specific OPTION to use time-based blockchain hash to further solidify their hold.

  Reading your cynic banter I'm quite happy of not having your DHCP problems. Looking through your github repositories I can find a bunch of configuration files for dhclient, but not much in form of ISC configs (only the nintendo fix you posted in your first post). Would be really interested in your setup.

  [0] https://kea.readthedocs.io/en/latest/arm/hooks.html

  [1] https://github.com/coredhcp/coredhcp

  [2] https://github.com/mirror/busybox/blob/master/examples/udhcp...

• A Little Story About the `Yes` Unix Command
  6 projects | news.ycombinator.com | 21 Jul 2022
• How good is a router without a hardware clock as a NTP server?
  1 project | /r/openwrt | 6 May 2021

  https://github.com/mirror/busybox/blob/121b02d6b6c9f276e7f8da560e5996d3e389cd63/networking/ntpd.c#L175

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