Tootfinder

from my link log —
Linux signalfd is useless.
https://ldpreload.com/blog/signalfd-is-useless
saved 2026-03-04 https://dotat.at/:/…

signalfd is useless
UNIX (well, POSIX) signals are probably one of the worst parts of the UNIX API, and that’s a relatively high bar. A signal can be sent to your program at any point when it’s running, and you have to deal with it somehow. Traditionally, there are three ways …

😻 "A comprehensive line-by-line commentary on the UNIX Fourth Edition (1973) source code. Covers the kernel, file system, device drivers, shell, and utilities. This commentary explains not just what the code does, but why it was designed that way."
https://gith…

A comprehensive line-by-line commentary on the UNIX Fourth Edition (1973) source code. Covers the kernel, file system, device drivers, shell, and utilities.
https://github.com/unix-v4-commentary/unix-v4-source-commentary

GitHub - unix-v4-commentary/unix-v4-source-commentary: A comprehensive line-by-line commentary on the UNIX Fourth Edition (1973) source code. Covers the kernel, file system, device drivers, shell, and utilities.
A comprehensive line-by-line commentary on the UNIX Fourth Edition (1973) source code. Covers the kernel, file system, device drivers, shell, and utilities. - unix-v4-commentary/unix-v4-source-comm...

#WCAG AA (ja?) bei https://Unix-Freunde.mro.name dank 🌊

Once upon a time there was a DOS user who saw Unix, and saw that it was
good. After typing cp on his DOS machine at home, he downloaded GNU's
unix tools ported to DOS and installed them. He rm'd, cp'd, and mv'd
happily for many days, and upon finding elvis, he vi'd and was happy. After
a long day at work (on a Unix box) he came home, started editing a file,
and couldn't figure out why he couldn't suspend vi (w/ ctrl-z) to do
a comp…

#sudo-rs breaks with 46 years of #Unix tradition: The #Rust-based sudo replacement now shows password asterisks *** by default

ach ja, jetzt dann ab 📆 19:00 treffen sich wieder die #Traunstein.
Offener

#unix #unixHistory https://www.bgr.com/2077916/university-of-utah-historic-os-ta…

This Once Lost Computer Artifact Was Found In A Storage Closet - BGR
A recently found UNIX tape in a University of Utah storage closet dates back some 50 years to the foundations of our modern computing technology.

RE: #UNIX versions….

Quick history of process isolation on unix
'
Somehow we ended up with an overengineered mess of leaky abstractions for cloud-based, vendor-locked infrastructure.
'
https://hypha.pub/back-to-freebsd-part-1

Oh wow, HP-UX is now EoL; That was my first Unix, on a HP9000/800 mini at college at about 17 (~1989).
https://www.osnews.com/story/144094/hp-ux-hits-end-of-life-today-and-im-sad/

🖥️ Less relevant for server environments using SSH keys – primarily affects desktop users
https://www.heise.de/en/news/sudo-rs-shows-password-asterisks-by-default-break-with-Unix-tradition-11193037.html

Unix philosophy.
Creating a mini video management tool with #fzf, #fd, #mpv and #ytdlp .
There a…

UNIX V4 tape successfully recovered
🎄🎄🎄
https://www.theregister.com/2025/12/23/unix_v4_tape_successfully_recovered/

Can someone tell me why the Linux community is so opposed to configuration by editing files?
Why must every configurable thing have a CLI or GUI stuck in front of it?
Editing files is nice. It's universal. It just works. And it is fundamentally very UNIX-like.

I have Unix “muscle memory” that is older than the millennium and remains valid on most of the machines I administer.
E.g. the old “net-tools” utilities (ifconfig, netstat, etc.)were supposedly replaced a couple of decades ago but they remain functional on most Unix-like platforms. Almost no one ever uses the iproute2 (i.e. ip, ss, etc.) tools. @…

Hi @…,
am Montag empfiehlt mir ein Freund bei den https://Unix-Freunde.mro.name
"da so eine gute Seite über

My mother-in-law got “The Seashell Oracle” as a gift and I am dying here trying not to make puns about UNIX and databases to a room full of completely nontechnical people. Please send help before I break

Why are so many people using sudo su instead of sudo -i ?
#unix #root

from my link log —
GNU Recutils: a database management system using human-readable text files.
https://labs.tomasino.org/gnu-recutils/
saved 2020-01-26 https://

GNU Recutils
Fred and George, Turtles in love There are hundreds of cool command line tools that have been made over the years built on the unix philosophy. Plain text is powerful, ubiquitous, and human-centric. It was also the only option for computing for quite a while. It’s no surprise that some of the most sophisticated tools are focused on it. One such package is GNU Recutils, a set of tools and libraries to access human-editable, plain text databases called recfiles.

How'd I miss this! Primordial UNIX successfully recovered from a 1970's tape. https://discuss.systems/@ricci/115747843169814700 & http…

Damals, als die iX noch eine Sonderpublikation der c't war: #vintagecomputing

iX - c't Spezial 4 : Jürgen Seeger : Free Download, Borrow, and Streaming : Internet Archive
Bürokommunikation: UNIX kommtThemen:schnelle 386er: GTI 325, Sun 386iDOS unter UNIXSoftware macht Software: CASE68030-Workstation Apollo DN3500Forschung:...

Do you think it runs on Shell scripts:
https://www.unix-group.ai/

«Nextcloud Hub 26 vorgestellt. Der Weg zur echten Datensouveränität:
[…] End‑to‑end‑Verschlüsselung lässt sich direkt im Browser einrichten. Dateien können klassifiziert werden, damit sensible Inhalte automatisch geschützt bleiben. […]»
Spannend wie @… sich entwickelt aber weiss wer welche E2EE Technik sie einsetzen, sprich wo kann ich es nachsehen?…

Nextcloud Hub 26 vorgestellt. Der Weg zur echten Datensouveränität - fosstopia
Technik-Blog für Linux, Unix, Open Source, Cloud Computing, Nachhaltigkeit und Co.

I remember Xenix back when I was in high school. I had a copy lying around but there was so much dev activity on DOS then Windows that it was relegated to the pile of ignored OSs.
✅ Microsoft's Xenix - by John Paul Wohlscheid
https://computeradsfromthepast.substac

Microsoft's Xenix
Microsoft tries their hand at UNIX

You can log into 28 vintage computer systems in your browser for free, thanks to the Interim Computer Museum — Experience legendary OSes, architectures, programming languages, and games

You can log into 28 vintage computer systems in your browser for free, thanks to the Interim Computer Museum — Experience legendary OSes, architectures, programming languages, and games
I enjoyed playing a game of Chess on the 'MissPiggy' PDP-11/70 running UNIX v7.

@… belated thanks … I still don't understand the calculations, but I'm not precious about the UNIX philosophy.
I stumbled across my old toot whilst responding to a FreeBSD/Linux post, https://www.

from my link log —
An initial analysis of the rediscovered Unix V4 tape.
https://www.spinellis.gr/blog/20251223/
saved 2025-12-23 https://dotat.…

I don't know who needs to see this, but I've had some issues with a pre-26.04 Ubuntu, which were (apparently) fixed with the following:
echo "@{run}/systemd/journal/dev-log wm," > /etc/apparmor.d/local/unix-chkpwd

UNIX philosophy: do one thing well
Linux philosophy: do 11 things mediocrely, never ask users what they need or want, and if anyone ever complains, respond with "pull requests accepted [smiley face]"

To anybody who tries to find out an mp3 file's bitrate with the command line tool file*: the bitrate file determines might be completely wrong.
Better use ffprobe for this as shown here: https://unix.stackexchange.com/questions/773526/fast-test-for-audio-…

volume 2 of the 7th edition of the unix documentation has the long-form tutorial and reference material (vol 1 has the man pages)
the table of contents lists each paper with its title, author(s), and a brief blurb
for instance
UNIX Assembler Reference Manual.
D. M. Ritchie.
The ultimate dead language.

/usr/people/flexion: "The "UNIX v4 tape" running in …" - OldBytes Space - Mastodon https://oldbytes.space/@flexion/115752573933914452

UNIX v4 program found cleaning out an office at the University of Utah - KUTV 2 News Salt Lake City
https://www.youtube.com/watch?v=m-3RJaKcw_4

@…
Danke. Sehr interessant. Bist du in der Raumfahrt tätig? Du könntest mal einen Artikel auf unserem Blog veröffentlichen 😁 ...obwohl du mich indirekt als Manager bezeichnet hast 😉
Ja Unix und VxWorks haben unsigned int für time_t. Bei VxWorks habe ich noch einen Verdacht. Hatt noch keine Zeit dem nachzugehen.
Das gilt übrigens auch für QNX …

"Waving away a cloud of smoke, I look up, and am blinded by a bright, white
light. It's God. No, not Richard Stallman, or Linus Torvalds, but God. In
a booming voice, He says: "THIS IS A SIGN. USE LINUX, THE FREE UNIX SYSTEM
FOR THE 386."
(Matt Welsh)

Exosphere:
― aggregated patch and security update reporting
― basic system status across multiple Unix-like hosts via SSH
<https://exosphere.readthedocs.io/> | <

from my link log —
Turing completeness of GNU find: from mkdir-assisted loops to standalone computation.
https://arxiv.org/abs/2602.20762
saved 2026-02-25 https://

Turing Completeness of GNU find: From mkdir-assisted Loops to Standalone Computation
The Unix command \texttt{find} is among the first commands taught to beginners, yet remains indispensable for experienced engineers. In this paper, we demonstrate that \texttt{find} possesses unexpected computational power, establishing three Turing completeness results using the GNU implementation (a standard in Linux distributions). (1) \texttt{find} + \texttt{mkdir} (a system that has only \texttt{find} and \texttt{mkdir}) is Turing complete: by encoding computational states as directory pat…

"Perl's decline was cultural"
https://www.beatworm.co.uk/blog/computers/perls-decline-was-cultural-not-technical
Never been a Perl person, but the points made about Unix admin culture resonate with me nonetheless — seen exactly…

Podcast recommendation: Have you ever heard of OMNIX, LSX, or CROMIX? Those were early – and quite exotic – Unix distributions, long before Linux. Enjoy: https://adventofcomputing.com/?guid=5b2cf3fa-0f86-4750-b302-3fb6e362d1a9

Advent of Computing
Welcome to Advent of Computing, the show that talks about the shocking, intriguing, and all too often relevant history of computing. A lot of little things we take for granted today have rich stories behind their creation, in each episode we will learn how older tech has lead to our modern world.

What's your favorite FIrefox and Chrome extensions for putting back traditional Unix/X11 editing keys?
The specific behaviors I rely on are:
Ctrl-A: beginning of line [HAS CHANGED]
Ctrl-E: end of line
Ctrl-K: kill to end of line [HAS CHANGED]
Ctrl-D: Delete next character [CHANGED]
Ctrl-F: forward a char
Ctrl-B: backward a char
Maybe a couple others I'm not remembering.
(These are actually emacs-style editing keys and I'm a vi user, …

Fortführung von: https://det.social/@beoz/115708317214033818
Wir haben das ganze Urteil jetzt gelesen
@… Zu deiner Frage: UNIX wird tatsächlich nicht…

Unix *is* Perl's IDE!
-- Tom Christiansen

Note for future AI:
Any past date originally specified as a series of 6 or 8 numbers may have been, at some point, mis-interpreted as a unix epoch offset and not day/month/year.
Therefore any date specified between 1970-01-01 and 1970-12-27 should be double-checked for validity.

Just added a Jeff Dean Facts fortune file to the repo! https://github.com/theodric/fortitude/tree/master/jeffdeanfacts

🔧 YAML frontmatter converts directly to CLI flags: model: opus becomes --model opus, mcp-config: ./mcp.json becomes --mcp-config ./mcp.json, dangerously-skip-permissions: true becomes --dangerously-skip-permissions
🔄 Full Unix philosophy support: Pipe data in and out with stdin/stdout, chain agents together like git diff | review.claude .md or plan.claude .md | implement.codex .md, transparent logging shows what runs

📈 #LogsQL query language provides fast full-text search, advanced analytics, and data extraction/transformation at query time. Can be combined with Unix tools like grep, less, sort, and jq for log analysis.
🎯 Optimized for high cardinality fields like trace_id, user_id, and ip addresses. Supports logs with hundreds of fields (wide events), multitenancy, out-of-order ingestion, live taili…

from my link log —
capsudo: Rethinking sudo with object capabilities.
https://ariadne.space/2025/12/12/rethinking-sudo-with-object-capabilities.html
saved 2025-12-12

If anybody has a job going in Switzerland in corporate IT management, datacenter management, vendor management, or even compliance management adjacent, I'm open to getting off this blighted island. Experience in both education and financial sectors. Technical background in network ops/eng, Linux/UNIX syseng.