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Dan Callahan

@callahad.com
318 followers 198 following 82 posts

📍Belfast 👨‍💻 NGINX Previously: Suborbital, Element, Mozilla

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Dan Callahan @callahad.com · 17/08/2026
Children of Men is great, but my favorite bit is the showreel from the design firm hired to do all of the signage, advertisements, etc. that quietly sit in the background and keep the world grounded vimeo.com/37658689
vimeo.com
Children of Men
Working closely with director Alfonso Cuaron, FO creates a whole suite of films and graphics to form part of the film. Children of Men won a Bafta for best production design and has received several ...
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Dan Callahan @callahad.com · 08/08/2026
As someone who grew up in Georgia, Texas, and Minnesota, the existence of United Airlines feels like a polite fiction. I mean, I totally get it. I wish there was a third legacy carrier, too. But we've got to play the hand we're dealt.
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Dan Callahan @callahad.com · 10/07/2026
Oh hey, 15 years later and Google's doing Mozilla Persona! (This is good)
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Dan Callahan @callahad.com · 15/06/2026
Tools I never thought I'd replace. - Git → Jujutsu (2026) - LaTeX → Typst (2025) - Vim/Neovim → Helix (2023) - Debian → NixOS (2018) - Zsh → Fish (2016)
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Reposted by Dan Callahan
Mara Bos @mara.bsky.social · 02/06/2026
Just like last year, we replaced a whole wall of movie posters with our own punny movie posters at the cinema where RustWeek 2026 took place. I designed seven new posters for this year's event. See the thread below 👇
Nine movie posters displayed next to each other.
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Dan Callahan @callahad.com · 18/05/2026
Finally had a chance to use #jj-vcs to address a complex problem, and I'm never going back to plain git. Absolutely unreal how easy it made things. It is indeed simpler, safer, and yet more powerful than Git alone.
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Dan Callahan @callahad.com · 20/04/2026
Dealing with a customer issue that, as far as I can tell, is ultimately caused by AWS CloudFront implementing HTTP incorrectly. Amazon support keeps quoting an RFC section at me, but that section agrees with my interpretation? (And my understanding is shared by RedHat and NGINX...) 🤦‍♂️
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Dan Callahan @callahad.com · 13/04/2026
Pope's bout to put the "beat" in "beatification"
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Dan Callahan @callahad.com · 16/12/2024
Who needs arts, entertainment, or hobbies when you have #NixOS? I've had my Framework 16 for 10 months. I still haven't "finished" installing Linux on it. This month's time sink: Using LUKS2 to configure a TCG Opal Self-Encrypting Drive and have it auto-unlock via TPM2 (protected by SecureBoot.)
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Dan Callahan @callahad.com · 26/09/2024
This means I won't pay attention to politics for the next six weeks, right? Right?
Minnesota Absentee Ballot Status - "Your ballot was accepted by the ballot board on September 25, 2024 and will be counted."
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Dan Callahan @callahad.com · 04/07/2024
JavaScript.
Election results on the BBC. Labour up, Conservatives down, Others NaN.
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Dan Callahan @callahad.com · 11/06/2023
I was just told my flight from Dublin can't depart until the bees (🐝) are removed from the plane's external power connector.
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Dan Callahan @callahad.com · 05/06/2023
You three, get in my bed - it's business time!
Apple VR headset demo showing a woman giving a powerpoint presentation to three disembodied heads floating over her hotel room bed.
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Dan Callahan @callahad.com · 04/06/2023
A what? Ruled how?
A notepad in a shop. Its cover says: "Police Style Notebook"

Below that, "96 Feint Ruled Sheets"
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Reposted by Dan Callahan
David Buchanan @retr0.id · 11/05/2023
PSA: It might feel like you're skeeting into a cosy walled garden right now, but at the protocol level it's more like this:
A photograph of toilet cubicles with transparent glass walls
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Dan Callahan @callahad.com · 08/05/2023
Which of you inducted my 2 year old into Tautology Club? Me: 2yo: "If I get a new water bottle, then I get a new water bottle!" Me: 2yo: "If I need more pie, then I need more pie!"
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Dan Callahan @callahad.com · 05/05/2023
Just a totally normal thing to come home from primary school in Northern Ireland...
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Dan Callahan @callahad.com · 03/05/2023
Accidentally sent the 2yo to daycare wearing three pairs of pants today.
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Dan Callahan @callahad.com · 03/05/2023
top result for "blue skeet" you ok, america?
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Dan Callahan @callahad.com · 03/05/2023
John Conway once called me "a dummy."
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Dan Callahan @callahad.com · 28/04/2023
Early vibe collapse is inevitable, but hot damn is this burning fast and bright. Question is: what's the next act?
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Dan Callahan @callahad.com · 25/04/2023
Well, crap. Now I have to pick my favorite personal domain name to use as a handle. I've been putting this decision off for 15 years.
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