VirtualTam's bookmarks

1. DNS Esoterica - Why you can't dig Switzerland

   2025-07-07
   history network/dns network/ldap unix

   Permalink
   • Chaosnet - A local area network technology developed at MIT's AI Lab in 1975
   • Hesiod - A name service to provide access to databases of information that change infrequently
   • IANA - DNS CLASSes
2. Apple’s Darwin OS and XNU Kernel Deep Dive

   2025-06-02
   apple/darwin apple/macos bsd mobile/ios unix

   Permalink
   • XNU (Wikipedia)
   • How Apple rearranged its XNU core with exclaves
   • On Apple Exclaves
   • Inside the Mac OS X Kernel - Debunking Mac OS Myths (24C3, 2007)
3. UNIX Magic Poster Annotations

   2025-05-10
   gnu history poster unix wizard

   Permalink
   • drio/unixmagic - Capturing all the details of the classic Usenix Unix poster
   • The Unix Magic poster, Jan-Piet Mens
4. SDF Public Access UNIX System - Est. 1987

   2025-05-09
   bsd/netbsd bulletin-board-system linux network/gopher network/ssh self-hosting unix

   Permalink
   • SDF Public Access Unix System (Wikipedia)
5. SIGHUP Signal for Configuration Reloads

   2025-05-05
   configuration programming/go unix/signal

   Permalink
6. The Heirloom Documentation Tools

   2025-02-26
   command-line documentation/man-page linux programming/c programming/html programming/postscript unix

   Permalink
   • n-t-roff/heirloom-doctools
   • TYPSET and RUNOFF
     • roff
       • troff
       • nroff
       • groff
         • mandoc
7. jwzhacks

   2024-11-26
   feed/rss history jwz linux network/http programming/c programming/perl programming/php unix

   Permalink

   I have written a lot of software. I used to do it for fun. Then I started getting paid for it. Then it stopped being fun. Then I stopped getting paid for it. And now I write software sometimes for fun, but mostly in self-defense.

8. The Annotated Hacker Test | For those of us who didn't receive a case of beer with our computer.

   2024-11-19
   computer hardware/cpu hardware/ram history nerd programming/assembly programming/c programming/pascal unix

   Permalink
   • Original plain text version from 1989
   • Real Programmers Don't Use PASCAL (see: THE REAL PROGRAMMER'S NATURAL HABITAT)
9. SSHFP - Secure SHell FingerPrint DNS Records

   2024-10-27
   cryptography/elliptic-curve network/dns network/dnssec network/ssh

   Permalink
   • IANA - DNS SSHFP Resource Record Parameters
   • ssh - How do I generate SSHFP records?
   • Oh SSH-it, What’s My Fingerprint? A Large-Scale Analysis of SSH Host Key Fingerprint Verification Records in the DNS
     • gehaxelt/sshfp-dns-measurement
     • APNIC - Improving SSH’s security with SSHFP DNS records

   RFCs:

   • RFC 4251 - The Secure Shell (SSH) Protocol Architecture
   • RFC 4255 - Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints
10. Rust in Illumos

    2024-09-11
    dependency driver programming/rust solaris unix

    Permalink
11. Illumos - An open-source Unix operating system

    2024-08-29
    operating-system solaris unix

    Permalink
    • What is illumos?
    • Distributions
    • oxidecomputer/helios - A distribution of illumos powering the Oxide Rack
12. Tips on Adding JSON Output to Your CLI App

    2024-04-23
    command-line programming/json programming/python programming/shell programming/yaml

    Permalink
    • Bringing the Unix Philosophy to the 21st Century
    • kellyjonbrazil/jc - CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries
13. The #! magic, details about the shebang/hash-bang mechanism on various Unix flavours

    2024-03-25
    bsd linux programming/shell unix

    Permalink
14. Cosmopolitan libc - Your build-once run-anywhere C library

    2023-11-05
    apple/macos bsd linux microsoft/windows programming/c unix

    Permalink
    • ape - αcτµαlly pδrταblε εxεcµταblε
    • Cosmopolitan Third Edition
    • jart/cosmopolitan
    • redbean - single-file distributable web server
15. regex - Removing ANSI color codes from text stream

    2023-07-24
    command-line text unix

    Permalink

    1# GNU sed
    2sed -e 's/\x1b\[[0-9;]*m//g'
    3
    4# macOS
    5sed -e $'s/\x1b\[[0-9;]*m//g'
    

16. Cool, but obscure X11 tools

    2023-07-22
    desktop graphics/2d linux linux/x11 unix user-interface

    Permalink
17. The Dam - A slack clone in 5 lines of bash

    2023-07-22
    chat command-line gnu instant-messaging network/ssh packaging/guix programming/shell unix

    Permalink
    • edouardklein/suc - The Simple UNIX Chat
    • tildeverse.org - Public access UNIX systems
18. Go Toolchains

    2023-06-24
    command-line programming/go unix/path

    Permalink
    • Go 1.21 will (probably) download newer toolchains on demand by default
19. Control, Escape, and Meta Tricks

    2023-06-17
    command-line editor/vim terminal unix

    Permalink
20. Mitogen for Ansible | A redesigned UNIX connection layer and module runtime for Ansible

    2023-01-28
    configuration-management/ansible network/ssh programming/python

    Permalink
    • https://github.com/mitogen-hq/mitogen
    • https://mitogen.networkgenomics.com/howitworks.html
    • https://news.ycombinator.com/item?id=15355144