Ist es nicht schön, nach welchen Kriterien ein Deutscher Großkonzern die Arbeitsplätze differenziertm Ich hätte gerne auch einen [GSM, 3GPP, 5G, Bluetooth, TETRA] Arbeitsplatz bitte 😉

Usability, wie es nur die #DB in ihrer Lounge hinbekommt: Dort wo man seine Tasse zum einlegen des Teebeutels hinstellt, ist die Fläche minimal und Kante maximal abgerundet. Wer nicht genau hinsieht oder gar schlecht sieht], dem kippt die Tasse weg und fällt auf […] [Original post on chaos.social]

Ich suche nach einer Bezugsquelle für kleine Zuschnitte (30x40cm) von Schaumstoff-Platten h=2-3cm mit hoher Shore-Härte. Ideal 200 (20 kPa). Weiss da jemand was? #followerpower #maker #diy

in case anyone has an unused replicated] #39c3 presale ticket voucher left-over: @tnt, one of the greatest hackers I've ever had the pleasure of working with @tnt is looking for one. #ccc [#followerpower

I just managed to pick up eight "Sun Netra 210" 1U UltraSparc-IIIi servers yesterday. In case any #retrocomputing enthusiasts here (particularly those of you I know personally) are interested in such equipment, please let me know. #sun #ultrasparc

I'm in a #github internal group for high-profile FOSS projects (due to @leaflet having a few kilo-stars), and the second most-wanted feature is "plz allow us to disable copilot reviews", with the most-wanted feature being "plz allow us to block issues/PRs […] [Original post on mastodon.social]

Just completed the disassembly of another two Siemens EWSD digital telephone exchanges, which are now in a truck on their way to the Telecom Museum Dresden (Fernmeldemuseum Dresden). Largest time sink was untangling the hundreds of cables (mostly with proprietary Siemens connectors)..

video recording of operation SIMcartel: Police raiding what looks like a massive SIM + modem bank deployment in Latvia, using 40,000 SIM cards https://www.youtube.com/watch?v=Z-ImysXws-0

I'm happy to join the board of ARDC and thankful for the trust and the opportunity to be part of the team shaping this wonderful organization providing among other things] grants to digital communications related open source projects […]

Ich war wieder bei golem.de im "Besser Wissen" Podcast zu gast, diesmal zum Thema "Geschichte des hauptsächlich GSM] Mobilfunks. Das Ergebnis könnt ihr unter https://www.golem.de/news/podcast-besser-wissen-wie-der-mobilfunk-erwachsen-wurde-2509-200081.html hören. #retronetworking #gsm #cellular […]

We'll be rescuing another Siemens EWSD digital telephone exchange. If anyone is interested in helping us with disassembly and loading into the truck in Munich on October 23rd/24th, please let me know - more information in German at […]

Proud that @fsfe volunteer Nicole went through this whole process with #sumup about the #gnu #gpl. Nicole’s efforts show that individuals can have outsized positive impacts on #softwarefreedom, and many little steps like Nicole’s, when taken together, can amount to a large enough movement to […]

So there's a decades-old mechanism (and actual standard) how programs lock serial ports on unix-like systems in /var/lock. it's used in practice even in 2025 and #systemd >= 258 simply breaks it with "we don't care". I am not a systemd opponent, but that kind of behaviour without a prior […]

Man konnte früher zwische Föhren und Kiefern Hirsche röhren hören. Doch Röhrentechnik ging verloren. Längst haben Hirsche Transistoren. (Hansgeorg Stengel 1922 - 2003)

I meanwhile arived in Amsterdam for the Embedded Linux Conf Europe which I haven't been to in ages. Will present on FOSS eSIM integration into Embedded Linux devices #elce2025 #linux #esim

So, after spending two half days in a colocation filled with several decommissioned but fully complete including software] Siemens #EWSD digital telephone exchanges, I am happy to report that two of them will be rescued. We've dümpelt the hard disks and done some initial disassembly. Full […]

Tonight I had a dream involving meeting a (recovered) fefe. Highly unusual, don't recall ever having dreams involving him before. In any case, let's hope for his best recovery and hopefully the dream will become reality at some point #fefe

on my way to Munich today. In the odd case that anyone local in my timeline feels like meeting up tonight, let me know. For the curious: Reason for the visit is to inspect and backup a Siemens EWSD exchange and plan logistics of its upcoming move to the Dresden telecommunications museum. #munich […]

i just ftp'd into a public ftp server running in Ecuador, and discovered an absolutely critical piece of US Robotics ISP modem pool software that has been missing for 20 years thank you from the bottom of my heart, rolando felix of Educational Unit 10 De Agosto […] [Original post on dialup.cafe]

I recently briefly heard about the Indian rural telephone exchanges (RAX), which appear to go back all the way to electromechanical switches. They (C-DOT) even built a V5.2 Access Network called AN-RAX. Started to collect some documents at […] [Original post on chaos.social]

Mh. Riding the Nuremberg subway and noticing #vodafone still offers nothing beyond EGPRS there in 2025. Guess ezperiencing thst in Berlin that was more than a decade ago... #nürnberg #gsm #cellular

IVery interesting applied security research into the #gsma #esimm universe, specfically the use of the JavaCard VM with its questionable security architecture depending on an off-card bytecode verifier in the context of the eUICC which inherently contains eSIM profiles of different competing] […]

Gesucht: eine Plattform, wo ich eingeben kann, wann ich fertig war, mit Schule, und mir dann – sinnvollerweise sortiert nach Themenbereichen – gezeigt wird, welche Sachen, die ich damals als Stand der Wissenschaft gelernt habe, längst überholt sind. Und mir dann die Gelegenheit gibt zu lernen […]

lT security 101: Don't leave your company laptop with authentication smart card inserted, applications open and without screensaver at your seat when using the lavatories on a train. Unbelivable...

does anyone know something about the coverage/deployment status of the LTE450 network of 450connect.de ? #cellular #lte #telecom

The Berlin city library is exhibiting books that are being prohibited in libraries across the US. It's the week of free speech. Thanks. #uspol #libraries #bookburning @zlb_berlin https://openbiblio.social/@zlb_berlin/114461510981301725

Im letzten Teil meiner Serie zu Wegwerfnummern habe ich virtuelle Nummern, Profi-Tools und Reise-SIM getestet. Und dabei etwas erstaunt festgestellt, dass man mit Kryptowährung einfach so eine funktionierende österreichische Handynummer bekommt. Ohne Identitätsnachweis, ohne Name, ohne […]

I'm happy that my talk on open source eSIM integration into embedded Linux devices has been accepted at Embedded Linux Conference Europe 2025, for details see https://osseu2025.sched.com/event/25Vlq/open-source-for-esim-integration-harald-welte-sysmocom-gmbh

I just stumbled over this article about the history of video telephony: https://mashable.com/archive/videophone-turns-50 #retronetworking #telecommunications

on my way to the optional friday meeting of early arrivers to RetroNetConf, our small German-language meeting of various #retronetworking enthusiasts https://osmocom.org/projects/retronetworking/wiki/RetroNetConf_2025 #telecommunications #isdn

I really miss a platform where I could post "build this feature, fix this bug" jobs for random projects (that don't themselves already have targeted sponsorships) and find a well-rated Free, Libre, Open Source software developer (or designer, doc writer). Ideally, crowd-funded. Not in the […]

In case you haven't seen it yet, check out the analysis of the devastating state of mostly] modern #openssl by members of haproxy at https://www.haproxy.com/blog/state-of-ssl-stacks - hard to imagine such massive performance regressions getting into mainline linux distributions unnoticed by the […]

@hetzner Habt ihr den Hosting-Vertrag mit der gesichert rechtsextremistischen #noafd schon gekündigt? Schließlich verstößt die Partei gegen Punkt 8.2 eurer AGBs. #hetzner #ethik #rechtsextrem #rechtsextremismus #afdverbotjetzt #afdverbot

When will people realize that writing "-10% discount" is actually equivalent to stating a 10% surcharge and not a discount at all? sigh.

1. Replace workers with AI. 2. Now instead of wages you pay a company for AI services. 3. Despite the likely decline in quality of the work, suppose you become dependent as a company on this service. Suppose you make it work. 4. AI is heavily subsidized by venture capital, its priced lower than […]

Hurra, die ePa ist da 🙄​. Ich habe jetzt doppelte Arbeit. Jede Konversation mit dem Patienten muss ich dort einpflegen und natürlich muss ich auch weiterhin meine Patientenakte pflegen, denn dazu bin ich gesetzlich auch verpflichtet. Das nächste richtig große Desaster sehe ich kommen in der […]

When you fire your graphics design department:

A few quick notes on the Erlang OTP SSHd RCE (CVE-2025-32433): 1. Cisco confirmed that ConfD and NSO products are affected (ports 830, 2022, and 2024 versus 22) 2. Signatures looking for clear-text channel open and exec calls will miss exploits that deliver the same payloads after the key […]

Just found this gem of a Python project https://pypi.org/project/tariff/ #development

I boosted several posts about this already, but since people keep asking if I've seen it.... MITRE has announced that its funding for the Common Vulnerabilities and Exposures (CVE) program and related programs, including the Common Weakness Enumeration […] [Original post on infosec.exchange]

[lewd, kinky] powertop(8) where powerbottom(8)?

"Kleinkindabteile sowie Plätze für Kunden mit BahnBonus Gold- und Platinstatus sind bei Bedarf für diese Personengruppe zu räumen." - bei der DB meinte man wohl "die jeweilige" Personengruppe. Oder müssen Kleinkindabteie für die Statusinhaber geräumt werden? #db #deutschebahn

ROTFL: #vodafone Germany claiming publicly that TETRA is baesd on 2G, and that 2G can only transport voice: https://newsroom.vodafone.de/politik-und-gesellschaft/virtuelles-sicherheitsnetz-fuer-polizei-und-rettungskraefte - don't they have anyone with a bit of technical clue proof-reading such […]

Billionaire-proof open social media is now mission-critical infrastructure for the future of democracy.

does anyone know a museum or collection that contains a working/operational Ericsson AXE10 digital telephone exchange? #telecom #ericsson #history #retronetworking

I'm a bit surprised that there seems to be no standard method (or I cannot find it, even with bpftrace?) on how to obtain metrics how long a given network packet stays in the sk_receive_queue of a socket. I'd want to determine how long data is available before a process reads it. #linux #networking

upstream #linux #kernel developers talking about removing the in-kernel echo cancellation code that has no in-tree users anymore (however, out-of-tree DAHDI can optionally make use of it). See https://lkml.org/lkml/2025/2/23/416 and the responses for details. I don't think it's critical at all […]

Update: Polizei beschlagnahmt Privateigentum ohne Grundlage. Und rückt es dann auf massive Gegenwehr unserer Anwälte wieder raus. Wer stoppt diesen Irrsinn der Polizei in Deutschland? Das Plakat hängt wieder! www.morgenpost.de/berlin/artic...