Jeff Geerling
@jeffgeerling.com
Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
Nvidia graphics acceleration working on the Raspberry Pi 5: www.youtube.com/watch?v=SPTY...
November 26, 2025 at 11:49 PM
Nvidia graphics acceleration working on the Raspberry Pi 5: www.youtube.com/watch?v=SPTY...
It comforts me to know whether you're a 1-2 person scrappy small startup or literally the world's most valuable company, your user guides will cover only the basics and when end users test your hardware, they'll have the same reaction:
_Why do the marketing numbers lie?_
_Why do the marketing numbers lie?_
November 26, 2025 at 4:59 PM
It comforts me to know whether you're a 1-2 person scrappy small startup or literally the world's most valuable company, your user guides will cover only the basics and when end users test your hardware, they'll have the same reaction:
_Why do the marketing numbers lie?_
_Why do the marketing numbers lie?_
Sometimes YouTube comments are gold. A couple people mentioned an easy fix for my old Temtop portable CO2 monitor.
I did what they suggested, and whaddya know! It worked! www.youtube.com/watch?v=w3e6...
I did what they suggested, and whaddya know! It worked! www.youtube.com/watch?v=w3e6...
YouTube comments save the day! Resurrecting a Temtop M2000C
YouTube video by Level 2 Jeff
www.youtube.com
November 26, 2025 at 4:42 PM
Sometimes YouTube comments are gold. A couple people mentioned an easy fix for my old Temtop portable CO2 monitor.
I did what they suggested, and whaddya know! It worked! www.youtube.com/watch?v=w3e6...
I did what they suggested, and whaddya know! It worked! www.youtube.com/watch?v=w3e6...
Dell sent me two 'Pro Max with GB10' units to test.
They're more competent as little Arm Linux workstations than I expected (Mediatek's 'Grace' CPU is decent).
*However*... there are caveats. Like the price, and idle power even without 200G networking sucking down watts.
They're more competent as little Arm Linux workstations than I expected (Mediatek's 'Grace' CPU is decent).
*However*... there are caveats. Like the price, and idle power even without 200G networking sucking down watts.
November 25, 2025 at 11:45 PM
Dell sent me two 'Pro Max with GB10' units to test.
They're more competent as little Arm Linux workstations than I expected (Mediatek's 'Grace' CPU is decent).
*However*... there are caveats. Like the price, and idle power even without 200G networking sucking down watts.
They're more competent as little Arm Linux workstations than I expected (Mediatek's 'Grace' CPU is decent).
*However*... there are caveats. Like the price, and idle power even without 200G networking sucking down watts.
Sometimes when I venture off into the land of ease and x86, away from SBCs with like 5-15W TDPs, I realize how much faster computing can be.
Then I look at power draw and efficiency and realize, yes, there's always tradeoffs!
But it is nice just... having things work.
Then I look at power draw and efficiency and realize, yes, there's always tradeoffs!
But it is nice just... having things work.
November 25, 2025 at 5:59 AM
Sometimes when I venture off into the land of ease and x86, away from SBCs with like 5-15W TDPs, I realize how much faster computing can be.
Then I look at power draw and efficiency and realize, yes, there's always tradeoffs!
But it is nice just... having things work.
Then I look at power draw and efficiency and realize, yes, there's always tradeoffs!
But it is nice just... having things work.
Woah. AmpereOne A192-32X (fastest Arm CPU available to normal humans) is available in motherboard bundle from NewEgg for $4799: www.newegg.com/p/N82E168131...
Annoyingly, populating all those DDR5 RAM slots is gonna be pricey.
Annoyingly, populating all those DDR5 RAM slots is gonna be pricey.
Are you a human?
www.newegg.com
November 25, 2025 at 2:47 AM
Woah. AmpereOne A192-32X (fastest Arm CPU available to normal humans) is available in motherboard bundle from NewEgg for $4799: www.newegg.com/p/N82E168131...
Annoyingly, populating all those DDR5 RAM slots is gonna be pricey.
Annoyingly, populating all those DDR5 RAM slots is gonna be pricey.
Finally! #itwasdns shirts are now available in 3XL and 4XL: www.redshirtjeff.com/shop/p/it-wa...
It was DNS T-Shirt — Red Shirt Jeff
DESCRIPTION Of course it was DNS. Is that even a question? If you ever need inspiration for finding the root cause of any problem with your application, just put on this shirt and look in the mirror...
www.redshirtjeff.com
November 24, 2025 at 5:11 PM
Finally! #itwasdns shirts are now available in 3XL and 4XL: www.redshirtjeff.com/shop/p/it-wa...
RAM sticks : AI bubble :: Raspberry Pi's and STM32 : COVID chip shortage
Get ready for RAM hoarders...
Get ready for RAM hoarders...
November 24, 2025 at 1:39 AM
RAM sticks : AI bubble :: Raspberry Pi's and STM32 : COVID chip shortage
Get ready for RAM hoarders...
Get ready for RAM hoarders...
Air Lab is like the Flipper Zero of Air Quality monitors... but costs $250. Is it worth it? Maybe: www.youtube.com/watch?v=r21l...
The Flipper Zero of Air Quality Monitors
YouTube video by Jeff Geerling
www.youtube.com
November 21, 2025 at 3:03 PM
Air Lab is like the Flipper Zero of Air Quality monitors... but costs $250. Is it worth it? Maybe: www.youtube.com/watch?v=r21l...
Reposted by Jeff Geerling
Was really great to meet @jeffgeerling.com at the @epcc.bsky.social booth at #SC25, we had a fascinating chat and I was really inspiring to hear about some of Jeff's projects and activities. Also really cool to chat with him about our Raspberry PI mini supercomputer #WeeArchie
November 20, 2025 at 11:28 PM
Was really great to meet @jeffgeerling.com at the @epcc.bsky.social booth at #SC25, we had a fascinating chat and I was really inspiring to hear about some of Jeff's projects and activities. Also really cool to chat with him about our Raspberry PI mini supercomputer #WeeArchie
We were instructed to make angry sysadmin faces in the second picture. Apparently that's not possible lol! It was great seeing Patrick of @servethehome.com.web.brid.gy and Wendell of @level1techs.bsky.social at #SC25!
November 20, 2025 at 1:19 PM
We were instructed to make angry sysadmin faces in the second picture. Apparently that's not possible lol! It was great seeing Patrick of @servethehome.com.web.brid.gy and Wendell of @level1techs.bsky.social at #SC25!
Reposted by Jeff Geerling
It's official! #PicoIDE, the open source IDE/ATAPI drive emulator I've been working on for the better part of this year, will be launching at Crowd Supply! Go there to sign up for updates and to be notified when the campaign is live: www.crowdsupply.com/polpotronics...
PicoIDE
An open source IDE/ATAPI drive emulator for vintage computers
www.crowdsupply.com
November 19, 2025 at 1:59 AM
It's official! #PicoIDE, the open source IDE/ATAPI drive emulator I've been working on for the better part of this year, will be launching at Crowd Supply! Go there to sign up for updates and to be notified when the campaign is live: www.crowdsupply.com/polpotronics...
Great to see all the students learning HPC for the next generation of scientific and large scale computing.
Mini racks and small systems are such a great way to get into it! #sc25 #hpc
Mini racks and small systems are such a great way to get into it! #sc25 #hpc
Made my day when @jeffgeerling.com stopped by the Texas Tech #SC25 booth to take a look at our x86 mini-clusters that run Warewulf, Ansible, Spack, and complete scientific #HPC applications with the same software stack as on our main clusters.
November 18, 2025 at 9:10 PM
Judging by how many #itwasdns shirts I've sold this morning...
Is the Cloudflare outage DNS-related too? www.redshirtjeff.com/shop/p/it-wa...
Is the Cloudflare outage DNS-related too? www.redshirtjeff.com/shop/p/it-wa...
It was DNS T-Shirt — Red Shirt Jeff
DESCRIPTION Of course it was DNS. Is that even a question? If you ever need inspiration for finding the root cause of any problem with your application, just put on this shirt and look in the mirror...
www.redshirtjeff.com
November 18, 2025 at 1:41 PM
Judging by how many #itwasdns shirts I've sold this morning...
Is the Cloudflare outage DNS-related too? www.redshirtjeff.com/shop/p/it-wa...
Is the Cloudflare outage DNS-related too? www.redshirtjeff.com/shop/p/it-wa...
Well, I can't say I've never met @fclc.bsky.social anymore! Also found @chipsandcheese.bsky.social, @servethehome.com.web.brid.gy and some other great folks tonight leading up to #SC25 #HPC in #STL
November 17, 2025 at 5:25 AM
Well, I can't say I've never met @fclc.bsky.social anymore! Also found @chipsandcheese.bsky.social, @servethehome.com.web.brid.gy and some other great folks tonight leading up to #SC25 #HPC in #STL
There was a problem in one of my MS-R1 benchmarks last week. One that took many hours of troubleshooting to figure out (Arm SVE vs NEON support in a linear algebra library).
I take you on a little bit of that adventure on Level 2 Jeff today: www.youtube.com/watch?v=OOZH...
I take you on a little bit of that adventure on Level 2 Jeff today: www.youtube.com/watch?v=OOZH...
Much Ado about Arm and Benchmarking
YouTube video by Level 2 Jeff
www.youtube.com
November 15, 2025 at 7:45 PM
There was a problem in one of my MS-R1 benchmarks last week. One that took many hours of troubleshooting to figure out (Arm SVE vs NEON support in a linear algebra library).
I take you on a little bit of that adventure on Level 2 Jeff today: www.youtube.com/watch?v=OOZH...
I take you on a little bit of that adventure on Level 2 Jeff today: www.youtube.com/watch?v=OOZH...
Reposted by Jeff Geerling
Intel GPUs on Raspberry Pi Is So Wrong it Feels Right
Intel GPUs on Raspberry Pi Is So Wrong it Feels Right
Hackaday Article
hackaday.com
November 15, 2025 at 6:06 AM
Intel GPUs on Raspberry Pi Is So Wrong it Feels Right
You don't have to recompile Linux to use AMD or Intel GPUs on a Pi anymore. And almost all AMD GPUs work great now: www.jeffgeerling.com/blog/2025/us...
November 14, 2025 at 3:36 PM
You don't have to recompile Linux to use AMD or Intel GPUs on a Pi anymore. And almost all AMD GPUs work great now: www.jeffgeerling.com/blog/2025/us...
All Intel Arc GPUs run on the Raspberry Pi now (including the Arc Pro B50, pictured below). See how: www.youtube.com/watch?v=ewDJ...
(The same 4-line change to the Linux kernel enables the cards on RISC-V and many other Arm systems, too!).
(The same 4-line change to the Linux kernel enables the cards on RISC-V and many other Arm systems, too!).
November 13, 2025 at 3:03 PM
All Intel Arc GPUs run on the Raspberry Pi now (including the Arc Pro B50, pictured below). See how: www.youtube.com/watch?v=ewDJ...
(The same 4-line change to the Linux kernel enables the cards on RISC-V and many other Arm systems, too!).
(The same 4-line change to the Linux kernel enables the cards on RISC-V and many other Arm systems, too!).
I wonder if I keep building more Pi clusters, if Supercomputing conference #SC25 will continue returning to St. Louis...?
Hope to see you there, I'll be there as many days as I can!
Hope to see you there, I'll be there as many days as I can!
November 13, 2025 at 3:19 AM
I wonder if I keep building more Pi clusters, if Supercomputing conference #SC25 will continue returning to St. Louis...?
Hope to see you there, I'll be there as many days as I can!
Hope to see you there, I'll be there as many days as I can!
Codeweavers just announced Crossover Preview (a nice UI that wraps Wine, basically) for Arm Linux - you can play x86 Windows games easily on most Arm systems with it.
I test it on the world's fastest Arm Linux workstation, the Thelio Astra: www.youtube.com/watch?v=4Vox...
I test it on the world's fastest Arm Linux workstation, the Thelio Astra: www.youtube.com/watch?v=4Vox...
The Fastest Arm PC in the World can finally play Cyberpunk
YouTube video by Level 2 Jeff
www.youtube.com
November 12, 2025 at 11:06 PM
Codeweavers just announced Crossover Preview (a nice UI that wraps Wine, basically) for Arm Linux - you can play x86 Windows games easily on most Arm systems with it.
I test it on the world's fastest Arm Linux workstation, the Thelio Astra: www.youtube.com/watch?v=4Vox...
I test it on the world's fastest Arm Linux workstation, the Thelio Astra: www.youtube.com/watch?v=4Vox...
I've never had such luxury.
And yes, now I understand why people in northern climates appreciate heated steering wheels. Still, it's a bit of a luxury.
It's like 4K monitors, you don't know what you're missing until you try it.
And yes, now I understand why people in northern climates appreciate heated steering wheels. Still, it's a bit of a luxury.
It's like 4K monitors, you don't know what you're missing until you try it.
November 11, 2025 at 8:34 PM
I've never had such luxury.
And yes, now I understand why people in northern climates appreciate heated steering wheels. Still, it's a bit of a luxury.
It's like 4K monitors, you don't know what you're missing until you try it.
And yes, now I understand why people in northern climates appreciate heated steering wheels. Still, it's a bit of a luxury.
It's like 4K monitors, you don't know what you're missing until you try it.