Social 📸 Photography

Kevin Karhan :verified:<a href="https://mastodon.social/@stman" class="u-url mention" rel="nofollow noopener" target="_blank">@stman</a> <a href="https://masto.hackers.town/@theruran" class="u-url mention" rel="nofollow noopener" target="_blank">@theruran</a> <a href="https://cathode.church/@50htz" class="u-url mention" rel="nofollow noopener" target="_blank">@50htz</a> <a href="https://social.solarpunk.au/users/vidak" class="u-url mention" rel="nofollow noopener" target="_blank">@vidak</a> <a href="https://mastodon.net2o.de/@forthy42" class="u-url mention" rel="nofollow noopener" target="_blank">@forthy42</a> Yeah, basically attacks on schedulers or any non-static component that is software-defined makes it easy to go that way. <ul><li>The only way one could "fix" this would be Harvard-Architecture and strictly segmented threads in hardware, which would toss all the flexibility of existing Von-Neumann-Systems out of the Window and basically result in <a href="https://infosec.space/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a>-esque systems like the OS/360 'hard containers' on z/Architecture, which means 2x42U of phat iron to run 50+ year old COBOL code at 0% performance gain at bit-, cycle and clock-accuracy.</li></ul>And even "<a href="https://infosec.space/tags/TradFinance" class="mention hashtag" rel="nofollow noopener" target="_blank">#TradFinance</a>" hates that because they refuse to train new programmers for that stuff and they are too deeply entrenched to migrate away!

ℒӱḏɩę :blahaj: 💾This is pretty neat. I woke up today and wondered about this 🤓 <a href="https://tech.lgbt/tags/ibm" class="mention hashtag" rel="nofollow noopener" target="_blank">#ibm</a> <a href="https://tech.lgbt/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://www.youtube.com/watch?v=ouAG4vXFORc" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=ouAG4vXFORc</a>

openSUSE Linux📢 From <a href="https://fosstodon.org/tags/OBS" class="mention hashtag" rel="nofollow noopener" target="_blank">#OBS</a> packaging to <a href="https://fosstodon.org/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> <a href="https://fosstodon.org/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> kernel hacking! Check out this expert-led session from FIT ČVUT Informatics. <a href="https://fosstodon.org/tags/openSUSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#openSUSE</a> 🎙️ Linux on Z Development 🎥 <a href="https://youtu.be/nIW4lFRdvCc?si=heA6wyK6xZ7NahBH" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/nIW4lFRdvCc?si=heA6wyK6xZ7NahBH</a>

heise DeveloperSoftware Testing: KI-Einsatz für die Legacy-ModernisierungIn dieser Episode sprechen Richard Seidl und Erik Dörnenburg über Möglichkeiten, Legacy-Systeme wie Mainframes zu modernisieren.<a href="https://www.heise.de/blog/Software-Testing-KI-Einsatz-fuer-die-Legacy-Modernisierung-10423117.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank">https://www.heise.de/blog/Software-Testing-KI-Einsatz-fuer-die-Legacy-Modernisierung-10423117.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon</a><a href="https://social.heise.de/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#IT</a> <a href="https://social.heise.de/tags/K%C3%BCnstlicheIntelligenz" class="mention hashtag" rel="nofollow noopener" target="_blank">#KünstlicheIntelligenz</a> <a href="https://social.heise.de/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> <a href="https://social.heise.de/tags/SoftwareTestingPodcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#SoftwareTestingPodcast</a> <a href="https://social.heise.de/tags/Softwareentwicklung" class="mention hashtag" rel="nofollow noopener" target="_blank">#Softwareentwicklung</a> <a href="https://social.heise.de/tags/Test" class="mention hashtag" rel="nofollow noopener" target="_blank">#Test</a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#news</a>

µPWill the <a href="https://mastodon.social/tags/VacuumTube" class="mention hashtag" rel="nofollow noopener" target="_blank">#VacuumTube</a> <a href="https://mastodon.social/tags/MainFrame" class="mention hashtag" rel="nofollow noopener" target="_blank">#MainFrame</a> Computer Bendix G-15 from 1956 run <a href="https://mastodon.social/tags/Doom" class="mention hashtag" rel="nofollow noopener" target="_blank">#Doom</a> <a href="https://www.youtube.com/watch?v=no0CkQk7id0" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=no0CkQk7id0</a><a href="https://mastodon.social/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#RetroComputing</a> <a href="https://mastodon.social/tags/GameHistory" class="mention hashtag" rel="nofollow noopener" target="_blank">#GameHistory</a> <a href="https://mastodon.social/tags/RetroGaming" class="mention hashtag" rel="nofollow noopener" target="_blank">#RetroGaming</a> <a href="https://mastodon.social/tags/Assembly" class="mention hashtag" rel="nofollow noopener" target="_blank">#Assembly</a>

Michael Hjembæk 🇩🇰I’m about to start building and shipping (EU only) my new z17 Raspberry Pi 5 mainframe setup — perfect for retro computing or mainframe enthusiasts.   Includes: z17 case in Jet Black with a glow-in-the-dark “Z” on the lid   Your choice of Blue (z17) or Orange (LinuxONE) backplate + power button   +Raspberry Pi 5 (8GB RAM) +Active Cooler +256GB SSD (Raspberry Pi OS pre-installed) +27W Power Supply (black) +Waveshare HDMI adapter +Pre-configured with Hercules TK5 (mainframe emulator) + local terminal You just need to add a monitor, HDMI cable, USB keyboard + mouse.   Interested? - contact me 😉 <a href="https://pixelfed.social/discover/tags/mainframe?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://pixelfed.social/discover/tags/z17?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#z17</a> <a href="https://pixelfed.social/discover/tags/herculestk5?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#herculestk5</a> <a href="https://pixelfed.social/discover/tags/raspberrypi?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#raspberrypi</a> <a href="https://pixelfed.social/discover/tags/raspberrypi5?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#raspberrypi5</a> <a href="https://pixelfed.social/discover/tags/3dprinted?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#3dprinted</a> <a href="https://pixelfed.social/discover/tags/3dprinting?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#3dprinting</a>

Kevin Karhan :verified:<a href="https://hachyderm.io/@leftpaddotpy" class="u-url mention" rel="nofollow noopener" target="_blank">@leftpaddotpy</a> "the <a href="https://infosec.space/tags/cloud" class="mention hashtag" rel="nofollow noopener" target="_blank">#cloud</a>" is a <a href="https://infosec.space/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> for folks who don't have a sales rep / account manager at <a href="https://infosec.space/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a>!"<a href="https://infosec.space/tags/CloudNative" class="mention hashtag" rel="nofollow noopener" target="_blank">#CloudNative</a>" is just a short for "I can't be assed to make <a href="https://infosec.space/tags/reproduceable" class="mention hashtag" rel="nofollow noopener" target="_blank">#reproduceable</a> <a href="https://infosec.space/tags/standalone" class="mention hashtag" rel="nofollow noopener" target="_blank">#standalone</a> code and make tarballs!"

heise online150 Milliarden US-Dollar: IBM macht USA schöne AugenIBM will viel Geld in den USA investieren. Die versprochenen Entwicklungsausgaben sind allerdings schon seit Jahren so hoch. <a href="https://www.heise.de/news/150-Milliarden-US-Dollar-IBM-macht-USA-schoene-Augen-10369956.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank">https://www.heise.de/news/150-Milliarden-US-Dollar-IBM-macht-USA-schoene-Augen-10369956.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon</a><a href="https://social.heise.de/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> <a href="https://social.heise.de/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> <a href="https://social.heise.de/tags/Quantencomputer" class="mention hashtag" rel="nofollow noopener" target="_blank">#Quantencomputer</a> <a href="https://social.heise.de/tags/Wirtschaft" class="mention hashtag" rel="nofollow noopener" target="_blank">#Wirtschaft</a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#news</a>

st1nger :unverified: 🏴‍☠️ :linux: :freebsd:A Tour Inside the <a href="https://infosec.exchange/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> <a href="https://infosec.exchange/tags/z17" class="mention hashtag" rel="nofollow noopener" target="_blank">#z17</a> <a href="https://infosec.exchange/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/elizabeth-k-joseph1/2025/04/23/a-tour-inside-the-ibm-z17" rel="nofollow noopener" translate="no" target="_blank">https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/elizabeth-k-joseph1/2025/04/23/a-tour-inside-the-ibm-z17</a>

Elizabeth K. JosephI dug into the technical Redbooks and scoured our image library to bring you lots of goodies around the new IBM z17 announced this month!<a href="https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/elizabeth-k-joseph1/2025/04/23/a-tour-inside-the-ibm-z17" rel="nofollow noopener" translate="no" target="_blank">https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/elizabeth-k-joseph1/2025/04/23/a-tour-inside-the-ibm-z17</a> <a href="https://floss.social/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://floss.social/tags/IBMZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBMZ</a> And as always, if there's a card or close-up you wish to see, don't hesitate to ask, I'll see what I can find.

Steve HumeNew IBM z17 Mainframe Will ‘Redefine AI at Scale’ <a href="https://mstdn.social/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> <a href="https://mstdn.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#AI</a> <a href="https://mstdn.social/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://www.techrepublic.com/?p=4301518" rel="nofollow noopener" translate="no" target="_blank">https://www.techrepublic.com/?p=4301518</a>

iX MagazinIBMs z17: Neue Mainframegeneration auch für KI-WorkloadsMainframes gelten allgemein als nicht besonders KI-fähig. Mit dem neuen z17 will IBM den Gegenbeweis antreten.<a href="https://www.heise.de/news/IBMs-z17-Neue-Mainframegeneration-auch-fuer-KI-Workloads-10348946.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank">https://www.heise.de/news/IBMs-z17-Neue-Mainframegeneration-auch-fuer-KI-Workloads-10348946.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon</a><a href="https://social.heise.de/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> <a href="https://social.heise.de/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#IT</a> <a href="https://social.heise.de/tags/K%C3%BCnstlicheIntelligenz" class="mention hashtag" rel="nofollow noopener" target="_blank">#KünstlicheIntelligenz</a> <a href="https://social.heise.de/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> <a href="https://social.heise.de/tags/Rechenzentrum" class="mention hashtag" rel="nofollow noopener" target="_blank">#Rechenzentrum</a> <a href="https://social.heise.de/tags/Server" class="mention hashtag" rel="nofollow noopener" target="_blank">#Server</a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#news</a>

µPTracing back <a href="https://mastodon.social/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#programming</a> language history to the root of the very first (mnemonic) <a href="https://mastodon.social/tags/GOTO" class="mention hashtag" rel="nofollow noopener" target="_blank">#GOTO</a> instruction (jump/branch) I found two different sources:1. In 1954 Nathanael Rochester developed the "first" mnemonic <a href="https://mastodon.social/tags/assembler" class="mention hashtag" rel="nofollow noopener" target="_blank">#assembler</a> for the <a href="https://mastodon.social/tags/IBM" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBM</a> 701 <a href="https://mastodon.social/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> computer that uses "TR" jump commands: <a href="https://shrtn.escalar.pt/ZuE5" rel="nofollow noopener" translate="no" target="_blank">https://shrtn.escalar.pt/ZuE5</a>2. In 1947 the "manual" for the <a href="https://mastodon.social/tags/Whirlwind" class="mention hashtag" rel="nofollow noopener" target="_blank">#Whirlwind</a> computer contained the "sp x" mnemonic: <a href="https://shrtn.escalar.pt/FdYC" rel="nofollow noopener" translate="no" target="_blank">https://shrtn.escalar.pt/FdYC</a>So, which one was actually the "first" to use mnemonics for branching?

peppe8oUse an MVS system by emulating a <a href="https://mastodon.social/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> on <a href="https://mastodon.social/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#raspberrypi</a> computer board. Full tutorial with the simplest exercise: creating your first data set! <a href="https://mastodon.social/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://peppe8o.com/emulating-mvs-mainframe-on-raspberry-pi/" rel="nofollow noopener" translate="no" target="_blank">https://peppe8o.com/emulating-mvs-mainframe-on-raspberry-pi/</a>

Mike ElstonI don’t know if my kid is an evil genius or just curious. Either way he wants to take down the financial system. <a href="https://kzoo.to/tags/jcl" class="mention hashtag" rel="nofollow noopener" target="_blank">#jcl</a> <a href="https://kzoo.to/tags/ibm" class="mention hashtag" rel="nofollow noopener" target="_blank">#ibm</a> <a href="https://kzoo.to/tags/rmrf" class="mention hashtag" rel="nofollow noopener" target="_blank">#rmrf</a> <a href="https://kzoo.to/tags/unix" class="mention hashtag" rel="nofollow noopener" target="_blank">#unix</a> <a href="https://kzoo.to/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> <a href="https://kzoo.to/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a>

heise onlineheise+ | Lukrative Nische: Als COBOL-Entwickler am Großrechner der Bank arbeitenBanken betreiben nach wie vor Anwendungen in COBOL. Doch immer weniger Entwickler beherrschen die Sprache. Wir zeigen, ob sich das Nischenwissen bezahlt macht.<a href="https://www.heise.de/ratgeber/Lukrative-Nische-Als-COBOL-Entwickler-am-Grossrechner-der-Bank-arbeiten-10195225.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank">https://www.heise.de/ratgeber/Lukrative-Nische-Als-COBOL-Entwickler-am-Grossrechner-der-Bank-arbeiten-10195225.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon</a><a href="https://social.heise.de/tags/Karriere" class="mention hashtag" rel="nofollow noopener" target="_blank">#Karriere</a> <a href="https://social.heise.de/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> <a href="https://social.heise.de/tags/Softwareentwicklung" class="mention hashtag" rel="nofollow noopener" target="_blank">#Softwareentwicklung</a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#news</a>

AndiMann"@PreciselyData <a href="https://masto.ai/tags/Ironstream" class="mention hashtag" rel="nofollow noopener" target="_blank">#Ironstream</a> Brings <a href="https://masto.ai/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a> <a href="https://masto.ai/tags/Observability" class="mention hashtag" rel="nofollow noopener" target="_blank">#Observability</a> to Modern <a href="https://masto.ai/tags/Enterprise" class="mention hashtag" rel="nofollow noopener" target="_blank">#Enterprise</a> <a href="https://masto.ai/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#IT</a> Services"<a href="https://www.precisely.com/resource-center/whitepapers/precisely-ironstream-brings-mainframe-observability-to-modern-enterprise-it-services" rel="nofollow noopener" translate="no" target="_blank">https://www.precisely.com/resource-center/whitepapers/precisely-ironstream-brings-mainframe-observability-to-modern-enterprise-it-services</a>

Graham RossiterThe MVS Chronicles, episode somethingtysomething...I've now installed Hercules + MVS 3.8j using Jay Moseley's outstanding online methos 14 times, on a variety of proper operating systems and ubuntoy, physical & virtual. So far I've made it work on Debian 12, FreeBSD 14.1, Almalinux 8 & 9, NetBSD 10, Rocky Linux 9, Fedora 41, Mint and ubuntoy 24.04 LTS {Lamentably Terrible Shitpile}. Next OS on my list will be Arch, Gentoo, Raspberry Pi and some Illumos variants..<a href="https://mstdn.social/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a>

jhambyIt’s estimated that there are 10,000 mainframes in use today. They’re used almost exclusively by the largest companies in the world, including two-thirds of Fortune 500 companies, 45 of the world’s top 50 banks, eight of the top 10 insurers, seven of the top 10 global retailers, and eight of the top 10 telecommunications companies. And most of those mainframes come from IBM.<a href="https://arstechnica.com/information-technology/2023/07/the-ibm-mainframe-how-it-runs-and-why-it-survives/" rel="nofollow noopener" translate="no" target="_blank">https://arstechnica.com/information-technology/2023/07/the-ibm-mainframe-how-it-runs-and-why-it-survives/</a><a href="https://chaos.social/tags/mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#mainframe</a> <a href="https://chaos.social/tags/IBMZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#IBMZ</a>

Nordnick :verified:<a href="https://social.bund.de/@bsi" class="u-url mention" rel="nofollow noopener" target="_blank">@bsi</a> Welche "technologische[sic](n) Fortschritte durch <a href="https://norden.social/tags/Cloud" class="mention hashtag" rel="nofollow noopener" target="_blank">#Cloud</a>-Computing" werden da gesehen?Die "Wolke" ist doch nur ein "hipper" Begriff für Rechenzentrum oder Serverfarm (inkl. <a href="https://norden.social/tags/Software" class="mention hashtag" rel="nofollow noopener" target="_blank">#Software</a>). Früher buchte man Rechenzeit auf einem <a href="https://norden.social/tags/Mainframe" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mainframe</a>, heute in Wolkenkuckucksheim.Die sich durch proprietäre Techniken eingehandelten Abhängigkeiten sind als Rückschritt zu bewerten.

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