Short demo of our central repeater management utility.
Version 0.1 almost ready to ship.

youtube.com/watch?v=4ykdPrglnf…

With the growth of the regional repeater network, fellow hams asked for an easy way to control their repeaters. Here is version 0.1 of that product, which is able to manage a list of repeaters, then to send various commands (ping, change room, disconnect repeater, enable or disable repeater logic, reboot the system).

Next version will be shipped with proper privilege separation, group ACL management, and a few refinements.

Key moments:
0:00 Repeater agent running on our test stub. Network has just been cut, to show that connectivity loss can be recovered.
0:33 Repeater agent recovering its connection to the control segment.
0:39 Connecting to the management interface
0:44 Browsing through the repeater list.
0:49 Showing the repeater properties editor
1:05 Ping demo with our test laptop which is connected with user 'f4hof-s'. The UI shows a notification toast to confirm the "repeater" has acknowledged our command.
1:19 Changing conference room
1:34 Rebooting the remote system. Command hasn't been acked because the system rebooted too quickly. This will be fixed in the initial release. Please notice that the notification toast shows a warning as the command hasn't been confirmed.


Coming soon: remote control of analog repeaters through #Hamnet. cc @Fred F4EED/KI7QQP
Control plane uses MQTT, either in fire and forget mode, or with reliable delivery and explicit command acknowledgement. #hamr #hamradio
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:revblobfoxpeekowo:

Just a little WIP from my messy workshop (should see the other half of the table). Got the idea for pride month, but will probably have them in a shop earlier. Now.. what flag to create next? :blobfoxhyper:

#MastoArt #3DPrinting #WIPWednesday #Fox

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Fox chirality!

Do foxes obey Bose-Einstein statistics, in which case their spin quantum numbers would be +1 and -1, or do they obey Fermi-Dirac Statistics, +1/2 and -1/2?

If the latter, it is possible that the fox is a Majorana fermion, in which case a fox of the opposite spin would be its antiparticle.

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HKDF is commonly used to derive key material just in time for its application. However, as a cryptography tool, HKDF is severely under documented and lacks prescriptive examples for intended use.

A large-tech blog shared their HKDF application and I identify several issues with its implementation. Inside is an anonymized version with critiques and improvements.

Tags: #cryptography #hkdf #blog #engineering #security

cendyne.dev/posts/2023-01-30-h…

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How extremely convenient that IBM Research found a colorblind friendly color palette that includes roughly the colors of the bi pride flag :sparkles_bi:

davidmathlogic.com/colorblind/…

#Design #Accessibility

This entry was edited (3 years ago)

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Petite astuce si vous souhaitez faire basculer votre TIC en mode standard sur votre compteur Linky en étant client.e EDF:

Contacter le 09 69 32 15 15 puis choix 1, 2 puis 4.
Si le conseiller ne connait pas la procédure, dites lui de faire une F185 sur le site SGE en choisissant le mode standard. Préciser que la procédure a été confirmée précédemment avec le groupe TD.

Appeler de préférence en période creuse (temps de midi par ex). Normalement, le changement devrait être effectif la nuit suivante.

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New blog post where I show a silly way to utilize Intel's AMX AI/Machine-Learning matrix-instructions to get the average color of an image.
wunkolo.github.io/post/2023/01…

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A DICOM image.

DICOM is the medical image format, very TIFF-like.
Its preamble makes many polyglots possible, including TIFF-DICOM sharing the same image data.
It doesn't tolerate appended data - but just append a "private" tag if needed.

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Note this is a choice some IT person made years ago and nobody realizes is optional, or something is actually broken and people just got used to it. Re-Auth could be entirely seamless if they wanted, or only enforced for certain apps. This is not intrinsic.

Something I see a lot is people accepting bad IT experiences as mandatory. Like this is life, get on with it. But this isn't remotely true.
It's a choice, sometimes just not a choice an organization realizes it has. I have to be the person calling bullshit on stuff because I know. Because I understand what's normal outside the org, or I have literally done their job before as an IT Generalist.

The business malaise in accepting deteriorated user experiences is frankly shocking.
You're being led like a dog by people who aren't being challenged to do better. Who often are not stupid and can do better, but have no mandate to venture it.

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Ah ! À partir de demain un 02 ne sera plus forcément un 02 #téléphone #arcep

« A partir du 1er janvier 2023, les contraintes géographiques des numéros 01 à 05 s’assouplissent. Concrètement, il sera possible de conserver son numéro de téléphone fixe, notamment en cas de déménagement, dans une autre zone géographique de France métropolitaine. »
arcep.fr/demarches-et-services…

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A very interesting take on the universe as seen from the perspective of the 2m amateur radio band by the #LOFAR radio telescope.

RT @cosmos4u@twitter.com

V-LoTSS, The Circularly-Polarised #LOFAR Two-metre Sky Survey: arxiv.org/abs/2212.09815 -> twitter.com/AstroJoeC/status/1…

🐦🔗: twitter.com/cosmos4u/status/16…

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I think I found my next antenna. Need to find the real estate agent that has this listing!

youtube.com/watch?v=M9RxlUNIBB…

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In 1959, the IBM 1401 computer was built from boards called SMS cards. A single board might hold just 3 logic gates so the computer needed thousands of boards. Silicon transistors weren't popular yet, so they used germanium transistors. Source: righto.com/2021/03/germanium-t… #history #computing

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