“Implement DNS in a Weekend”

• build-your-own-x

  254 256,741 6.7

  Master programming by recreating your favorite technologies from scratch.

  

https://github.com/codecrafters-io/build-your-own-x

• DHCPLite

  1 32 10.0 Java

  DHCP/DNS server for Arduino

I've done something along these lines with a very simple DNS and DHCP server implementation as an Arduino library: https://github.com/pkulchenko/DHCPLite/. It is fairly short and while I don't claim it being fully correct, it was tested with different clients successfully; it was great learning experience.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• bocker

  37 11,092 0.0 Shell

  Docker implemented in around 100 lines of bash

Bocker is in this same category...docker clone in bash that's helpful in seeing what's really happening underneath with nsenter, namespaces, network bridging, cgroups, etc.

https://github.com/p8952/bocker

• hackattic

  1 0 10.0 Rust

• egos-2000

  7 2,112 8.1 C

  Envision a future where every student can read all the code of a teaching operating system.

I just submitted this as its own post, because I thought it was so cool, but here's a complete operating system in 2000 lines of code: https://github.com/yhzhang0128/egos-2000

• dns-weekend

  1 0 10.0 Jupyter Notebook

  Discontinued Implement a DNS client resolver in a weekend (mirror) (by alanhamlett)

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