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Subject: Planet Debian
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Date: Wed, 19 Apr 2023 09:51:27 +0000
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Tim Retout: Data Diodes
April 18, 2023, 10:05 PM
At ArgoCon today, Thomas Fricke gave a nice talk on Cloud Native
Deployments in Air Gapped
describing container vulnerability scanning in the German energy
sector… and since he didn’t mention data diodes, and since some of
my colleagues at Oakdoor/PA Consulting make data
diodes for a living, I thought this might be interesting to write
It’s one thing to have an air-gapped system, but eventually in order
to be useful you’re going to have to move data into it, and this ...
Shirish Agarwal: Philips LCD Monitor 22″, 1984, Reaper Man, The Firm.
April 18, 2023, 9:31 AM
Those who have been reading this blog for a long time would perhaps know that I had bought a Viewsonic 19″ almost 12 years ago. The Monitor was functioning well till last week. I had thought to change it to a 24″ monitor almost 3-4 years ago when 24″ LCD Monitors were going for around 4k/- or thereabouts. But the monitor kept on functioning and I didn’t have space (nor do) to have a dual-monitor setup. It just didn’t make sense. Apart from higher electricity charg...
Matt Brown: Ventilation monitoring as a service
April 18, 2023, 8:02 AM
Previously, I explained why ventilation monitoring is important, and the opportunity I see to help accelerate deployment of high quality ventilation monitoring for small businesses and organisations.
In this post, I’m going to discuss my plans to tackle that opportunity:
My journey to ventilation monitoring Ventilation monitoring as a service prototype
Areas of development
Next steps
My journey to ventilation monitoring
I started looking into ventilation monitoring in detail las...
Steinar H. Gunderson: Naguru 2.2.1 released
April 18, 2023, 7:15 AM
I've released version 2.2.1 of Nageru, my free
software video mixer. This is pretty much a “bookworm release”; a bunch of
focused fixes for video input-related issues I hadn't seen before (mostly
because the hardware I had accessible to test with didn't happen to stress
these bugs).
The changelog reads:
Nageru and Futatabi 2.2.1, April 17th, 2023
- Work around an issue with OpenGL on Wayland, causing all
displays to be blank.
- Several fixes related to video inputs; in particular...
Matthew Garrett: PSA: upgrade your LUKS key derivation function
April 18, 2023, 12:26 AM
Here's an article from a French anarchist describing how his (encrypted) laptop was seized after he was arrested, and material from the encrypted partition has since been entered as evidence against him. His encryption password was supposedly greater than 20 characters and included a mixture of cases, numbers, and punctuation, so in the absence of any sort of opsec failures this implies that even relatively complex passwords can now be brute forced, and we should be transitioning to even more se...
Matthew Palmer: Rutie and Magnus, Two Good Ways to Build Ruby Extensions in Rust
April 18, 2023, 12:00 AM
I wrote the Ruby bindings for the Enquo Project, my attempt to bring queryable encryption to all databases, using the Rutie library.
Recently, I’ve rewritten the bindings to use Magnus instead, and I thought I’d put down my thoughts about the whole situation.
The Story So Far
The Enquo Project core cryptography is all written in Rust, as seems to be the vogue these days.
Rust is fast, safe, and easily interoperable with most of the rest of the modern software development ecosystem, making ...
Simon Josefsson: More on Differential Reproducible Builds: Devuan is 46% reproducible!
April 17, 2023, 3:29 PM
Building on my work to rebuild Trisquel GNU/Linux 11.0 aramo, it felt simple to generalize the tooling to any two apt-repository pairs and I’ve created debdistreproduce as a template-project for doing this through the infrastructure of GitLab CI/CD and meanwhile even set up my own gitlab-runner on spare hardware. I’ve brought over reproduce/trisquel to using debdistreproduce as well, and archived the old reproduce-trisquel project.
After fixing some quirks, building Devuan GNU+Linux 4.0 ...
Matthew Garrett: Booting modern Intel CPUs
April 17, 2023, 12:04 AM
CPUs can't do anything without being told what to do, which leaves the obvious problem of how do you tell a CPU to do something in the first place. On many CPUs this is handled in the form of a reset vector - an address the CPU is hardcoded to start reading instructions from when power is applied. The address the reset vector points to will typically be some form of ROM or flash that can be read by the CPU even if no other hardware has been configured yet. This allows the system vendor to ship c...
Iustin Pop: Quick note: nftables and TCP MSS clamping
April 16, 2023, 4:46 PM
Another short note to myself, and whomever cares/searches later for
nft or nftables, tcp mss clamping.
Somewhat surprising, many/most of the instructions found by Google are
still related to iptables. I guess people stopped writing blog posts
by the time nftables became widely used? 🤷
The only official documentation I can find is in the official
but it doesn’t list/explain exactly how does this work/in which
conditions. I think this results in posts like this
that suggest addition...
Simon Josefsson: Sigstore protects Apt archives: apt-verify & apt-sigstore
April 15, 2023, 8:33 AM
Do you want your apt-get update to only ever use files whose hash checksum have been recorded in the globally immutable tamper-resistance ledger rekor provided by the Sigstore project? Well I thought you’d never ask, but now you can, thanks to my new projects apt-verify and apt-sigstore. I have not done proper stable releases yet, so this is work in progress. To try it out, adapt to the modern era of running random stuff from the Internet as root, and run the following commands. Use a conta...
Scarlett Gately Moore: KDE Snaps! Oh so many released! Debian update
April 14, 2023, 6:39 PM
KDE Elisia snap
It has been another very busy couple of weeks! I have released many snaps, fixed a few bugs, started the documentation, and have many snaps in progress. So without further ado here is my status update for KDE snaps:
Fixed two very important Krita bugs:
Fixed several other minor bugs and triaged all the snap bugs I could find on Remember to assign snap bugs to me! It makes my life easier and I see them quicker.
Russ Allbery: Review: Babel
April 14, 2023, 3:10 AM
Review: Babel, by R.F. Kuang

Harper Voyage

August 2022




Babel, or the Necessity of Violence: An Arcane History of the Oxford
Translators' Revolution, to give it its full title, is a standalone
dark academia fantasy
set in the 1830s and 1840s, primarily in Oxford, England. The first book
of R.F. Kuang's previous trilogy, The Poppy War, was nominated for
John Goerzen: Easily Accessing All Your Stuff with a Zero-Trust Mesh VPN
April 14, 2023, 2:47 AM
Probably everyone is familiar with a regular VPN. The traditional use case is to connect to a corporate or home network from a remote location, and access services as if you were there.
But these days, the notion of “corporate network” and “home network” are less based around physical location. For instance, a company may have no particular office at all, may have a number of offices plus a number of people working remotely, and so forth. A home network might have, say, a PVR and file...
Russ Allbery: Review: Once Upon a Tome
April 13, 2023, 2:18 AM
Review: Once Upon a Tome, by Oliver Darkshire

W.W. Norton &amp; Company






The full title page of this book, in delightful 19th century style, is:
Once Upon a Tome: The Misadventures of a Rare Bookseller,
wherein the theory of the profession is partially explained, with a
variety of insufficient examples, by Ol...
Thomas Lange: FAI creates your own Ubuntu installation ISO
April 12, 2023, 7:25 PM
A new service is available on the FAI project website
Build your own customized installation ISO for Ubuntu!
You can select if you want to install an Ubuntu LTS 22.04 server or
desktop and enable Ubuntu LTS packages which are also called Hardware
Enablement (HWE). Different disk partition schemes including LVM are
available and you can select a language and keyboard layout and add
your own list of packages which are then automatically installed from
the customized...
Jonathan Dowland: blog after death
April 12, 2023, 3:14 PM
I've been pondering what should happen to personal websites once the owner has
passed, or otherwise "moved on". Some time ago I stumbled across a blog by Kev
Quirk, who wrote
I’d need to come up with contingency plans for...This website, and any other
websites and own/manage
I thought it was a strange idea, to have a contingency plan for a personal site
to survive its writer. Even a site such as my own, which (as sites go) would be
trivial to host/mirror (since it's static), who would want...
Andrej Shadura: Connecting lights to a Swytch e-bike kit
April 12, 2023, 1:09 PM
Last year I purchased an e-bike upgrade kit for my mother in law. We decided to install it on a bicycle she originally bought back in the 80s, which I fixed and refurbished a couple of years ago and used until September 2022 when I bought myself a Dutch Cortina U4.
When I used this bicycle, I installed a lightweight Shutter Precision dynamo hub and compatible lights, XLC at the front, Büchel at the back. Unfortunately, since Swytch is a front wheel with a built-in electric motor, these lights d...
Jamie McClelland: Doing whatever Gmail says
April 12, 2023, 12:27 PM
As we slowly move our members to our new email infrastructure, an unexpected
twist turned up: One member reported getting the Gmail warning:
Be careful with this message The sender hasn’t authenticated this message so Gmail can’t verify that it actually came from them.
They have their email delivered to May First, but have configured Gmail to pull
in that email using the “Check mail from other accounts” feature. It worked
fine on our old infrastructure, but started giving this message ...
Aurelien Jarno: Backup server upgraded to Bookworm
April 12, 2023, 9:07 AM
A few months ago, I switched my backup server to an ODROID-M1
SBC. It uses a RK3568 SoC with a
quad-core Cortex-A55 and AES extensions (useful for disk encryption), and I
added a 2 TB NVME SSD to the M2 slot. It also has a SATA connector, but the
default enclosure does not have space for 2.5" drives. It's not the fastest
SBC, but it runs stable and quite well as a backup server, and it's fanless,
and low-power (less than 2 W idle). The support for the SoC has been added
recently to the Linux k...
Russ Allbery: Review: The Last Hero
April 12, 2023, 2:29 AM
Review: The Last Hero, by Terry Pratchett

Paul Kidby

Discworld #27


2001, 2002


Graphic novel


The Last Hero is the 27th Discworld novel and part of the Rincewind
subseries. This is something of a sequel to Interesting Times and relies heavily on the cast that was built
up in previous books. It's not a good p...
Freexian Collaborators: Debian Contributions: Debian Developer Survey Results, DebConf updates, and more! (by Utkarsh Gupta)
April 12, 2023, 12:00 AM
Contributing to Debian is
part of Freexian’s mission. This article covers
the latest achievements of Freexian and their collaborators. All of this is made
possible by organizations subscribing to our
Long Term Support contracts and
consulting services.
Results of the Debian Developer Survey, by Roberto C. Sánchez
In 2022, Freexian polled Debian Developers
about the usage of money in Debian. More than 200 Debian Developers
graciously participated, providing useful and constructive answers.
Aurelien Jarno: New website, or kind of...
April 11, 2023, 8:29 AM
For over 15 years, I've hardly made any updates to my website, and it remains
low on my priority list. So I made a radical decision to replace it entirely
with my blog. The content of the website has been reduced to just two
additional pages.
But nothing has been lost: nowadays, Wikipedia is a much better platform for
sharing knowledge than random websites. And it happens that they already cover
all that was on my website about
subaquatic diving in French.
They also offer a multitude of resource...
Russ Allbery: Review: Circe
April 11, 2023, 4:20 AM
Review: Circe, by Madeline Miller

Little, Brown and Company

April 2018





Circe is the story of the goddess Circe, best known as a minor
character in Homer's Odyssey. Circe was Miller's third book
if you count the short novella Galatea. She wrote it after
Song of Achilles, a reworking of part of the Iliad, but as
with Homer, you...
Simon Josefsson: Trisquel is 42% Reproducible!
April 10, 2023, 5:36 PM
The absolute number may not be impressive, but what I hope is at least a useful contribution is that there actually is a number on how much of Trisquel is reproducible. Hopefully this will inspire others to help improve the actual metric.
tl;dr: go to reproduce-trisquel.
When I set about to understand how Trisquel worked, I identified a number of things that would improve my confidence in it. The lowest hanging fruit for me was to manually audit the package archive, and I wrote a tool ca...
Gunnar Wolf: Twenty years
April 10, 2023, 6:01 AM
Twenty years… A seemingly big, very round number, at least for me.
I can recall several very well-known songs mentioning this
«It was twenty years ago today Sgt. Pepper taught the band to
play», sang four youth idols in 1967 for whom said timespan was
not-quite-but-almost their full lifes so far.
«Si las cosas que uno quiere se pudieran alcanzar, tú me quisieras
lo mismo que veinte años atrás» (if what one wants could be
achieved, you would love me the same as twenty ye...
Russell Coker: BTRFS Rebuild Time
April 10, 2023, 5:19 AM
In February I replaced a Dell T320 server with a HP Z640 workstation for a home server/workstation [1]. The T320 has 8*3.5″ drive bays which I had used to put 3*4TB disks in a BTRFS RAID-10 array for 6TB of usable capacity. The Z640 has only 2*3.5″ bays and 4*2.5″ bays, so one option I could have taken was to buy a 4TB 2.5″ SSD and keep the same 3*4TB array as before. Instead I chose to use an 8TB disk I had spare in an array with one of the original 4TB disks and some extra on NVMe devi...
Marco d'Itri: Installing Debian 12 on a Banana Pi M5
April 9, 2023, 1:47 PM
I recently bought a Banana Pi BPI-M5, which uses the Amlogic S905X3 SoC: these are my notes about installing Debian on it.
While this SoC is supported by the upstream U-Boot it is not supported by the Debian U-Boot package, so debian-installer does not work. Do not be fooled by seeing the DTB file for this exact board being distributed with debian-installer: all DTB files are, and it does not mean that the board is supposed to work.
As I documented in #1033504, the Debian kernels are currently...
Evgeni Golov: Running autopkgtest with Docker inside Docker
April 8, 2023, 5:39 PM
While I am not the biggest fan of Docker, I must admit it has quite some reach across various service providers and can often be seen as an API for running things in isolated environments.
One such service provider is GitHub when it comes to their Actions service.
I have no idea what isolation technology GitHub uses on the outside of Actions, but inside you just get an Ubuntu system and can run whatever you want via Docker as that comes pre-installed and pre-configured. This especially means you...
Russell Coker: Storage Trends 2023
April 8, 2023, 2:46 PM
It’s been 2 years since my last blog post about storage trends [1].
Minimum Storage &lt;=2TB
In 2021 I stated that as MSY had 2TB disks for $72 and 2TB SSD for $245 it was barely worth considering a 2TB disk and anything less than 2TB wasn’t worth considering. Now for 2TB storage from MSY NVMe starts at $129, SATA SSD starts at $143, and hard disks start at $75. I guess that NVMe is slightly cheaper due to some combination of economies of scale for manufacture/sales and having less postage c...
Petter Reinholdtsen: rtlsdr-scanner, software defined radio frequency scanner for Linux - nice free software
April 7, 2023, 9:10 PM
Today I finally found time to track down a useful radio frequency
scanner for my software defined radio. Just for fun I tried to locate
the radios used in the areas, and a good start would be to scan all
the frequencies to see what is in use. I've tried to find a useful
program earlier, but ran out of time before I managed to find a useful
tool. This time I was more successful, and after a few false leads I
found a description of
over at the Kali site, and was able to track dow...
Matthew Palmer: Database Encryption: If It's So Good, Why Isn't Everyone Doing It?
April 7, 2023, 12:00 AM
Just some of the organisations that leaked data in 2022
It seems like just about every day there’s another report of another company getting “hacked” and having its sensitive data (or, worse, the sensitive data of its customers) stolen.
Sometimes, people’s most intimate information gets dumped for the world to see.
Other times it’s “just” used for identity theft, extortion, and other crimes.
In the least worst case, the attacker gets cold feet, but people suffer stress and inconv...
Reproducible Builds: Reproducible Builds in March 2023
April 6, 2023, 1:52 PM
Welcome to the March 2023 report from the Reproducible Builds project.
In these reports we outline the most important things that we have been up to over the past month. As a quick recap, the motivation behind the reproducible builds effort is to ensure no malicious flaws have been introduced during compilation and distributing processes. It does this by ensuring identical results are always generated from a given source, thus allowing multiple third-parties to come to a consensus on whether ...
Dirk Eddelbuettel: RcppArmadillo on CRAN: New Upstream Minor
April 6, 2023, 12:22 AM
Armadillo is a powerful
and expressive C++ template library for linear algebra and scientific
computing. It aims towards a good balance between speed and ease of use,
has a syntax deliberately close to Matlab, and is useful for algorithm
development directly in C++, or quick conversion of research code into
production environments. RcppArmadillo
integrates this library with the R environment and language–and is
widely used by (currently) 1052 other packages on CRAN, downloaded 28.6 million
Michael Ablassmeier: tracking changes between pypi package releases
April 6, 2023, 12:00 AM
I wondered if there is some tracking for differences between packages
published on pypi, something that stores this information in a format
similar to debdiff..
I failed to find something on the web, so created a little utility which
watches the pypi
changelog for new
releaes and fetches the new and old version.
It uses diffoscope to create reports on the published releases and
automatically pushes them to a github repository:
Is it useful? I dont know, it may be...
Valhalla's Things: Fitting Top and Camisole
April 5, 2023, 12:00 AM
Posted on April 5, 2023

For this summer, I’ve just made a nice sleeveless dress, but that doesn’t mean that I’m planning to go around with bare arms like, I don’t know, a peasant or even somebody with no health issues, perish the thought!
Instead, at the end of last season I’ve bought a remnant of white ramie / viscose jersey that is a bit too transparent to be decent when worn on its own, but should still give some protection from the sun without being unc...
Adnan Hodzic: “Kubernetes, Resistance is Futile” – KubeCon & KCD 2023 talk
April 3, 2023, 2:16 PM
A story to tell As part of my career at ING with my previous team, MLP (Machine Learning Platform). I spent over 2 years leading...
The post “Kubernetes, Resistance is Futile” – KubeCon &amp; KCD 2023 talk appeared first on FoolControl: Phear the penguin....
Russ Allbery: Review: The Nordic Theory of Everything
April 3, 2023, 2:45 AM
Review: The Nordic Theory of Everything, by Anu Partanen



June 2017




Anu Partanen is a Finnish journalist who immigrated to the United States.
The Nordic Theory of Everything, subtitled In Search of a
Better Life, is an attempt to explain the merits of Finnish approaches to
government and society to a US audience. It was ...
Matt Brown: Retrospective: Mar 2023
April 3, 2023, 2:24 AM
The key decision I made mid-March was to commit to pursuing ventilation monitoring as my primary product development focus.
Prior to that decision, I hoped to use my writing plan to drive a breadth-first survey of the opportunities for each of my product ideas before deciding which had the best business potential to focus on first. Two factors changed my mind:
As noted last month, I’m finding the writing process much slower and harder than I expected – the survey across all the ideas may no...
Thorsten Alteholz: My Debian Activities in March 2023
April 2, 2023, 10:57 AM
FTP master
This month I accepted 78 and rejected 12 packages. The overall number of packages that got accepted was 78.
I still love this calm and peaceful time now within the Debian project, when everybody only cares for RC bugs and NEW does not grow.
Debian LTS
This was my hundred-fifth month that I did some work for the Debian LTS initiative, started by Raphael Hertzog at Freexian. 
This month my all in all workload has been 14h.
During that time I uploaded:
[DLA 3358-1] mpv security update ...
Steinar H. Gunderson: Nearest multiple of a double
April 2, 2023, 9:06 AM
This problem came up the other day; given doubles (or floats, for that
matter) a &gt;= 0 and b &gt; 0, find the multiples of b that are closest to a,
in both directions.
I was surprised that I could not find anything about this online;
perhaps I just don't know the right term, but there is usually a
pretty vast and completely inscrutinable literature about anything
related to floating-point, usually ending in some magic incantation
you can just paste in (or 2000 lines of FORTRAN). I didn't real...
David Bremner: Installing Debian using the OVH rescue environment
April 2, 2023, 12:34 AM
Problem description(s)
For some of its cheaper dedicated servers, OVH does not provide a KVM
(in the virtual console sense) interface. Sometimes when a virtual
console is provided, it requires a horrible java applet that won't
run on modern systems without a lot of song and dance. Although OVH
provides a few web based ways of installing,
I prefer to use the debian installer image I'm used to and trust, and
I needed some way to debug a broken install.
I have only tested this in the OVH resc...
Junichi Uekawa: April.
April 1, 2023, 10:49 PM
April. Cherry blossoms are in full. Beautiful weather.
Debian Brasil: MiniDebConf Brasília 2023 - 25 a 27 de maio
April 1, 2023, 11:00 AM
Nesse ano a MiniDebConf Brasil está de volta! A comunidade brasileira de
usuários(as) e desenvolvedores(as) Debian convida a todos(as) a participarem da
MiniDebConf Brasília 2023 que acontecerá
durante 3 dias na capital federal.
Nos dias 25 e 26 de maio estaremos no Complexo Avançado da Câmara dos Deputados
- LabHacker/CEFOR, promovendo palestras, oficinas e outras atividades. E, no
- dia 27 de maio (sábado), estaremos em um coworking (local a definir) para
- colocar a mão na massa hac...
Debian Brasil: Primeira oficina de tradução em 2023 da equipe pt_BR
April 1, 2023, 10:00 AM
The Brazilian translation team debian-l10n-portuguese
realizou a primeira oficina de 2023
em fevereiro, com ótimos resultados:
A oficina foi direcionada para iniciantes, usando o DDTP/DDTSS.
Dois dias de oficina mão-na-massa via Jitsi.
Nos dias seguintes, continuidade dos trabalho de tradução de forma
independente, com o suporte da equipe.
Quantidade de pessoas inscritos(as): 29
Novos(as) contribuidores(as) no DDPT/DDTSS: 22
Traduções dos(as) novos(as) participantes: 175
Revisões dos(as...
Debian Brasil: First 2023 translation workshop from the pt_BR team
April 1, 2023, 10:00 AM
The Brazilian translation team debian-l10n-portuguese
had their first workshop of 2023
in February, with great results:
The workshop was aimed at beginners, working in DDTP/DDTSS.
Two days of a hands-on workshop via Jitsi.
In the following days, translation work continued independently, with team support.
Subscribers: 29
New contributors to DDPT/DDTSS: 22
Translations from new participants: 175
Revisions from new participants : 261
Our focus was to complete the descriptions of the 500 most ...
Mike Hommey: Announcing git-cinnabar 0.6.0
April 1, 2023, 2:17 AM
Git-cinnabar is a git remote helper to interact with mercurial repositories. It allows to clone, pull and push from/to mercurial remote repositories, using git.
Get it on github.
These release notes are also available on the git-cinnabar wiki.
What’s new since 0.5.11?
Full rewrite of the Python parts of git-cinnabar in Rust.
Push performance is between twice and 10 times faster than 0.5.x,
depending on scenarios.
Based on git 2.38.0.
git cinnabar fetch now accepts a --tags flag to fetch tags....
Paul Wise: FLOSS Activities March 2023
April 1, 2023, 1:31 AM
This month I didn't have any particular focus.
I just worked on issues in my info bubble.
update link
gitignore generated file,
fix docs build,
update links
add indicators
Debian QA services:
drop jessie,
convert errors to SQL commands,
handle timeouts
Debian BTS usertags:
fix BSP, porter, rebootstrap, Python 3 tags
Debian package uploads:
Debian wiki pages:
Enrico Zini: Things I learnt in March 2023
March 31, 2023, 10:00 PM
can take a tuple of possible endings instead of a single string
About JACK and Debian
There are 3 JACK implementations: jackd1,
jackd2, pipewire-jack.
jackd1 is mostly superseded in favour of jackd2, and as far as I understand,
can be ignored
pipewire-jack integrates well with pipewire and the rest of the Linux audio
jackd2 is the native JACK server. When started it handles the sound card
directly, and will steal it from pipewire. Non-JACK audio applications will...
Scarlett Gately Moore: KDE Snaps! Many new releases, more to come.
March 31, 2023, 5:47 PM
I have been extremely busy the last 2 weeks churning out KDE snaps! All of the have been tested and released on AMD64 and Arm64 architectures. If you run into any problems please file bugs @ and feel free to assign me. Thanks!
KDE Krita snap
Krita Version 5.1.5
KDE Parley snap
Parley Version 22.12.3
KDE Kate snap
Kate Version 22.12.3
KDE Okular snap
Okular Vers...
Reproducible Builds (diffoscope): diffoscope 240 released
March 31, 2023, 12:00 AM
The diffoscope maintainers are pleased to announce the release of diffoscope
version 240. This version includes the following changes:
[ Holger Levsen ]
* Update Lintian override info format in debian/source/lintian-overrides.
* Add Lintian overrides for some "very long lines" in test cases.
* Update Lintian overrides for tests being tagged source-is-missing or
* Add Lintian override for very long lines for debian/tests/control.
* Re-add two Lintian overrides about (well-known) sour...
Jonathan McDowell: Buttering up my storage
March 30, 2023, 6:50 PM
(TL;DR: I’ve been trying out btrfs in some places instead of ext4, I’ve hit absolutely zero issues and there are a few features that make me plan to use it more.)
Despite (or perhaps because of) working on storage products for a reasonable chunk of my career I have tended towards a conservative approach to my filesystems. By the time I came to Linux ext2 was well established, the move to ext3 was a logical one (the joys of added journalling for faster recovery after unclean shutdowns) and f...
Russell Coker: Links March 2023
March 30, 2023, 11:09 AM
Interesting paper about a plan for eugenics in dogs with an aim to get human equivalent IQ within 100 generations [1]. It gets a bit silly when the author predicts IQs of 8000+ as there will eventually be limits of what can fit in one head. But the basic concept is good.
Interesting article about what happens inside a proton [2]. This makes some aspects of the Trisolar series and the Dragon’s Egg series seem less implausible.
Insightful article about how crypto-currencies really work [3]. Basi...
Shirish Agarwal: Three Ancient Civilizations, Tesla, IMU and other things.
March 28, 2023, 10:29 PM
Three Ancient Civilizations
I have been reading books for a long time but somehow I don’t know how or when I realized that there are three medieval civilizations that time and again seem to fascinate the authors, either American or European. The three civilizations that do get mentioned every now and then are Egyptian, Greece and Roman and I have no clue as to why. Another two civilizations closely follow them, Mesopotian and Sumerian Civilizations. Why most of the authors irrespective of g...
Jonathan Dowland: daily log
March 28, 2023, 2:34 PM
I was asked on the Fediverse1 to describe my $dayjob daily
workflow. Blogging about it seemed like a good opportunity to take stock of my
current setup.
The core of my approach is to maintain a daily log, rather like an engineering
Lab Book2. My number one tip for anyone starting a career in Software
Engineering (or for that matter systems administration) is to keep a daily log
of what you intended to do, what you actually did, what you changed, what
changed as a consequence, etcetera. I've alr...
Mike Gabriel: UbuntuTouch Focal OTA-1 has been released
March 28, 2023, 8:46 AM
Yesterday, the UBports core developer team released Ubuntu Touch Focal OTA-1
(In fact, Raoul, Marius and I were in a conference call when Marius froze and said: the PR team already posted the release blog post; the post is out, but we haven't released yet... ahhhh... panic... Shall I?, Marius said, and we said: GO!!! This is why the release occurred in public five hours ahead of schedule. OMG.)
For all the details, please study:
Matt Brown: Ventilation Monitoring: Ensuring every space has clean, fresh air
March 28, 2023, 12:44 AM
The importance of clean, fresh indoor air is one of the most tangible takeaways of the Covid-19 pandemic. In addition to being an effective risk mitigation strategy for reducing the spread of respiratory illnesses, clean, fresh air is necessary to enable effective cognitive performance.
Monitoring indoor air quality is relatively easy to do, but traditionally has not been a key focus. I believe air quality monitoring should be accessible for any indoor space, and for highly occupied indoor space...
kpcyrd: Writing a Linux executable from scratch with x86_64-unknown-none and Rust
March 28, 2023, 12:00 AM
I recently mentioned on the internet I did work in this direction and a friend of mine asked me to write a blogpost on this. I didn’t blog for a long time (keeping all the goodness for myself hehe), so here we go. 🦝 To set the scene, let’s assume we want to make an exectuable binary for x86_64 Linux that’s supposed to be extremely portable. It should work on both Debian and Arch Linux. It should work on systems without glibc like Alpine Linux. It should even work in a FROM scratch Docke...
Vincent Fourmond: QSoas version 3.2 is out
March 27, 2023, 4:06 PM
Version 3.2 of QSoas is out ! It is mostly a bug-fix release, fixing the computation mistake found in the eecr-relay wave shape fit, see the correction to our initial article in JACS. We strongly encourage all the users of the eecr-relay wave shape fit to upgrade, and, unfortunately, refit previously fitted data as the results might change. The other wave shape fits are not affected by the issue.
New features
In addition to this important bug fix, new possibilities have been added, including a ...
Simon Josefsson: OpenPGP master key on Nitrokey Start
March 27, 2023, 2:57 PM
I’ve used hardware-backed OpenPGP keys since 2006 when I imported newly generated rsa1024 subkeys to a FSFE Fellowship card. This worked well for several years, and I recall buying more ZeitControl cards for multi-machine usage and backup purposes. As a side note, I recall being unsatisfied with the weak 1024-bit RSA subkeys at the time – my primary key was a somewhat stronger 1280-bit RSA key created back in 2002 — but OpenPGP cards at the time didn’t support more than 1024 bit RSA, a...
Russell Coker: Strange X11 Grabbing
March 27, 2023, 12:22 PM
A couple of days ago I upgraded my home server from Debian/Bullseye to Debian/Testing (soon to be Bookworm). Since then KDE sessions on that system have had problems of locking the input queue, the mouse can move and mouse-over events work but clicking the mouse or pressing the keyboard does nothing. Various web pages suggested that the xdotool program (in the xdotool package in Debian) can address this. The problem is apparently programs “grabbing” the input and not letting it go.
The comma...

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