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drmorr

@drmorr.appliedcomputing.io

Optimizer. Photographer. In disbelief that computers actually work. Accidentally writing a role-playing game. (he/him) https://hachyderm.io/@drmorr

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01.11.2023
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Latest posts by drmorr @drmorr.appliedcomputing.io

I'll be there! Any interest in meeting up?

07.03.2026 00:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Frustrations with Version Control Alright, it’s been a long time since I’ve posted a good rant on here, so buckle up buttercup.

In today's blog post, I complain about version control systems.

blog.appliedcomputing.io/p/frustratio...

#git #jj #software

23.02.2026 19:50 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Quick Update about the Blog Hi friends!

A Quick Update about the Blog, aka, wouldn't you like to pay money to read more about SimKube? πŸ˜‚

blog.appliedcomputing.io/p/quick-upda...

17.02.2026 17:44 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Subscribe to Applied Computing Research Labs Open-source research and development in distributed systems. Click to read Applied Computing Research Labs, by drmorr, a Substack publication.

I would love to get more paid subscribers to my blog. As I've said before, the income from my blog isn't how I make a living---but it does help in for sending me to conferences, and conferences are my best source for new leads and sales opportunities.

blog.appliedcomputing.io/subscribe

11.02.2026 06:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Very excited that I'll be speaking at SRECon in Seattle this year! My talk title is "Stop Reading Changelogs: Safer Kubernetes Upgrades with Simulation" (naturally), and I'm speaking on Wednesday March 25 at 11:55.

See the full program here!

www.usenix.org/conference/s...

15.01.2026 22:56 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

"Look, I spent all weekend doing absolutely nothing, I just got my kid to school (somehow), I haven't had any caffeine, I barely remember what my job is, much less what I was doing last week or -- let's be honest, who you are -- and yet, for some reason you want to meet with me?"

15.12.2025 21:02 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I almost think I hate Monday meetings more than Friday meetings, tbh.

15.12.2025 21:02 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Just typo'ed `Dorkerfile` and I'm pretty sure that is actually correct

12.12.2025 22:52 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Oops I somehow managed to turn my Makefile into an infinite loop.

12.12.2025 17:47 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

OK it's friday, time for the ultimate bikeshedding, aka, fixing my Makefiles.

Basically a task you can spend ENDLESS amounts of time on and still not be done.

12.12.2025 17:47 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Postmortem: Intermittent Failure in SimKube CI Runners On Wednesday, November 26, 2025, while testing changes to ACRL’s SimKube CI Runner, an ACRL employee discovered an intermittent failure in the runner.

ACRL's first public postmortem is now available for free subscribers :P

Learn more about how a race condition between cert-manager, the SimKube controller, and a mutating webhook configuration took down our (currently unavailable to the public) CI runner!

blog.appliedcomputing.io/p/postmortem...

08.12.2025 19:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

cargo clippy is one of the best linting tools I've ever worked with.

"It looks like you're trying to write a Rust program, and you fucking suck at it. Try doing it this way instead!"

05.12.2025 23:07 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Who's excited for ACRL's first public postmortem next Monday? (Or tomorrow if you're a premium subscriber :P)

05.12.2025 00:28 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

hi my name is david i'm doing cursèd shit with rust AMA

03.12.2025 06:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Holy moly cross-compiling with qemu is slow as molasses! ACRL gonna need some ARM runners.

02.12.2025 22:33 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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KubeCon Recap: Can U Fit in the Kube? KubeCon was last week!

My KubeCon recap blog post just went live! And you can see the highlights reel video from our "fit in the kube" challenge!

blog.appliedcomputing.io/p/kubecon-re...

#kubernetes #kubecon

24.11.2025 19:31 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

This week has been recursive rabbit hole week. I'm so far down these rabbit holes even the rabbits are wondering where I've gone.

21.11.2025 23:45 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Welp, it finally happened. ACRL is now the proud (?????) owner of two (2) AWS accounts.

19.11.2025 21:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
COWEN: The stupidest question possible: Why don't we just make more
GPUS?

ALTMAN: Because we need to make more electrons.

COWEN: What's stopping that? What's the ultimate binding constraint?

ALTMAN: We're working on it really hard.

COWEN: If you could have more of one thing to have more compute, what would the one thing be?

ALTMAN: Electrons.

COWEN: The stupidest question possible: Why don't we just make more GPUS? ALTMAN: Because we need to make more electrons. COWEN: What's stopping that? What's the ultimate binding constraint? ALTMAN: We're working on it really hard. COWEN: If you could have more of one thing to have more compute, what would the one thing be? ALTMAN: Electrons.

These are not serious people.

19.11.2025 09:05 πŸ‘ 1826 πŸ” 253 πŸ’¬ 150 πŸ“Œ 189

Anyways, this is how I ended up doing nothing important or revenue-generating until sometime mid-2026.

19.11.2025 17:04 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

How my morning is going:

- I want to stop shuffling static IAM credentials everywhere, that seems bad
- Oh hey, AWS has IAM Roles Anywhere based on PKI
- I need to set up a private CA, that's reasonable
- HOLY FUCK IT COSTS $400/MONTH TO RUN A PRIVATE CA ON AWS?
- Ok I wonder how I create my own CA

19.11.2025 17:04 πŸ‘ 2 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
Can U Fit In The Kube? #kubecon #funny #kubernetes #k8s #simkube
Can U Fit In The Kube? #kubecon #funny #kubernetes #k8s #simkube YouTube video by Applied Computing Research Labs

In case you were wondering what I was up to at KubeCon, it was incredibly important content marketing.

youtube.com/shorts/ZDlQz...

Looking forward to seeing you all next year for "Can U Fit In The Kube 2"!!!!

#kubecon #kubernetes #funny #simkube #k8s #fitinthekube

18.11.2025 16:54 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

And that's all, folks! See you next year, back in SLC!

#kubernetes #kubecon

13.11.2025 19:56 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1

Last talk of the conference (for me): "Evolving Kubernetes Scheduling" by Eric Tune & Wojciech TyczyΕ„ski at Google.

#kubernetes #kubecon #scheduling

13.11.2025 19:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Kubelet is the honey badger of Kubernetes. It DGAF.

13.11.2025 17:05 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Alright, next up is "Evicted! All the Ways Kubernetes Kills Your Pods (and How To Avoid Them)" by Ahmet Alp Balkan (of kubectx/kubens fame). This talk is πŸ”₯

#kubecon #kubernetes

13.11.2025 17:05 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

ACRL was a sponsor for the Dan Kohn travel scholarship for underrepresented or marginalized groups at KubeCon this year -- I'm heading over to chat with some of the scholarship recipients!

#kubecon #kubernetes

13.11.2025 15:36 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Major props to the two CNCF folks who were high-fiving every single attendee as they walked in this morning!

#kubecon

13.11.2025 14:17 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
A stack of stickers that say β€œFuck the internet I’m going to go climb mountains - NΓ³va”

A stack of stickers that say β€œFuck the internet I’m going to go climb mountains - NΓ³va”

If you see me at #kubecon I have a stack of Nova stickers if you want a few.

12.11.2025 19:52 πŸ‘ 110 πŸ” 14 πŸ’¬ 8 πŸ“Œ 2

Look for the highlights reel from the Kube next week!

13.11.2025 02:05 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0