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Lars Wikman

@lawik@hachyderm.io
mastodon 4.7.3
  • Open on hachyderm.io

Code creative, 10x talker, Elixir, BEAM, open source/standards/platforms, he/him, part librarian.

846 Followers
430 Following
50 Posts
Joined April 30, 2025
Site:
https://underjord.io
Links:
https://underjord.io/links.html
YouTube:
https://youtube.com/c/underjord
Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

Watching ticket sales for your event is nerve-wracking. But just had a nice 9-ticket bump from a company that seem to be bringing a whole-ass team. On that note, if you want to do Goatmire, there won't be one next year and we don't know when the final ticket-buying rush starts. We'll be packing the place to the limit so when full, it is completely full.

https://goatmire.com/

#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

@viticci@mastodon.macstories.net I wonder if you'd prefer KDE to whatever the Ubuntu default is these days.

It is a relatively cohesive experience. It doesn't try to be MacOS. It definitely isn't Windows.

And it has a lot to offer for power users without sending you into the terminal constantly. Quite easy to try via Kubuntu. I'd be curious to hear how you like it. Not affiliated, just prefer it personally.

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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Heading to the airport after a lovely ElixirConf EU. Thanks to all of you that helped make this awesome and an extra shoutout to all of you who came to my talk. I had a lot of fun. Felt good to present at the conf again.

Alembic hack house sessions were a good closer.

#elixirconfeu

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Plot twist! ElixirConf EU published the keynotes and lightning talks immediately.

https://youtube.com/playlist?list=PLvL2NEhYV4ZsIgecSexrk26--PBWiEyUy&si=GGr2SupYkb0VkeGz

Hope the talks aren't far behind :)

#elixir #elixirconfeu

youtube.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Some databases are built different. Teresa Lopes joins us from the Postgres community to share her experiences scaling, running and maintaining a big ol' Postgres database. 100TB is non-trivial it turns out.

https://www.goatmire.com/talk/operational-hazards-of-managing-postgresql-dbs-over-100tb
#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

We were unprepared for the last-days influx of submissions.

It looked like we had a pretty good set of talks already. Fewer submission than last year but overall high quality and competitive.

And with this blast of sessions stuff just got HARD. Time to start committing a program.
#goatmire #elixir

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

I don't know what I could possibly say about this one that is not answered in the description or communicated through the title.

Having seen the conversation about the actual thesis work on ElixirForum I'm also technically curious.

https://www.goatmire.com/talk/we-got-communist-nerves-before-gta-6-lol

#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Rather than using "AI" you can actually _do_ AI/ML. The math, the code, the whole thing. Way fancier than writing text prompts.

Alvise is coming to Goatmire to show you how with a proper ML workshop.

https://www.goatmire.com/talk/demystifying-ml-and-ai
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Damn. Safari is the dumbest most frustrating browser.

I've tried to use it because something about Chrome on MacOS just ended up grinding CPU for no reason repeatedly. And I was travelling so a quick switch was necessary.

Neither sparks joy.

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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Selection process for Goatmire has been brutal. Not everything is buttoned up yet but we should be able to let people know quite soon.

I am so excited for the line-up and I think we had cut an entire very solid 1-day conference in the process. oof

#goatmire #elixir

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

The NervesConf US 2024 videos are available thanks to good hustle by Alex McLain and John Cotton.

This includes Powell Kinney's autonomous boat.

https://elixirforum.com/t/nervesconf-2024-talks/
#elixir

elixirforum.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Goatmire Elixir speaker announcements begin with Evadne Wu.

"our design takes death seriously .. managed with dignity"

Evadne Wu consistently gives fascinating talks. We were very selective with what agent-oriented talks we accepted for Goatmire. She hit some really interesting points.

https://goatmire.com/talk/the-rebirth-of-an-elixir-based-personal-agent
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Tuning your presentation in Keynote is very important.

First draft of slides were >10GB. Final_V2-last-one.key is 5GB.

This is mostly due to speeding up a lot slides. Faster slides take up more space as we all know. The faster you go, the fewer frames you need.
#elixir

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Stockholm BEAM folk assemble! Day after Code BEAM Stockholm we will be hosting a little community Unconference. Bring your rejected talk ideas, your curiosity, your interests and lets make up a day of learning and sharing. The Erlang Ecosystem Foundation invites you to come hang.

https://luma.com/n71am1d6
#elixir #erlang

luma.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Days working on the Sentry SDK and the rest of the time spent thinking about and working on agents. Peter Solnica is an OG in the Ruby community, has been doing Elixir for a long time now and will be bringing his perspectives on coding agents and Elixir.

https://goatmire.com/talk/i-see-dead-agents

We were very selective about AI and agent talks for Goatmire, we think you'll find the ones we picked interesting whether you appreciate the bots or not.

#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

Not sure I even shared this blog post. How you get nice Erlang tracing when you didn't prepare by adding tracing tools.

https://underjord.io/injecting-tracing-the-hot-way.html
#elixir #erlang

underjord.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

@marcoarment@mastodon.social and @siracusa@mastodon.social

This seems relevant to your interests. Some company benchmarking Apple's new speech transcription vs old one and Whisper.

https://get-inscribe.com/blog/apple-speech-api-benchmark.html

get-inscribe.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 3mo ago

Since I don't know how this library will evolve I rebranded from circuits (established, trusted, serious) to bodge (pragmatic, non-beautiful, inelegant).

And I put them on Hex.

So introducing:
https://hex.pm/packages/bodge_usb Talks to USB devices on Linux.
https://hex.pm/packages/bodge_usb_gadget Implements USB devices on Linux.

#elixir

hex.pm
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Good night Malaga. Having taken stock of the situation I do believe we have an ElixirConf EU on on our hands.

#elixirconfeu

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 3mo ago

Alembic are some of my favorite co-conspirators. Beyond their deep expertise in Ash they are just invested and knowledgeable in the ecosystem. They care deeply and provide a lot of maintainer hours.

Look out for James Harton's robots and Rebecca Le unfurling the Elder Scrolls during this Goatmire.

https://goatmire.com/sponsor/alembic

#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 3mo ago

@victor@typo.social oh, that is something that can totally make my life worse any day now.

Ivory is pretty flat, dense and a bit custom it seems to me. I could see how making it Liquid would be tricky without doing all the wasted space it usually involves.

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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Don't miss the Unconference after Code BEAM Stockholm. Bring your topics and curiosity.
https://luma.com/n71am1d6
#elixir #erlang #gleam

luma.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Getty Orawo is slated to be joining us at Goatmire. We are very happy that we'll be able to hear her story of lazines and Elixir.

https://www.goatmire.com/talk/elixir-made-me-lazy-and-thats-a-good-thing
#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Get your Nerves device onto Home Assistant. Kevin Schweikert has been brewing a special batch of Elixir nerd catnip. People will get silly on this stuff. I already have several devices up and running with Homex. Get your dashboards ready!

https://www.goatmire.com/talk/make-yourself-at-home-x

#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Avoiding the "It was DNS" while still figuring out what's going on in a massive scale DNS system.

Nelson Vides brings us a phenomenal topic and some good crunchy BEAM observability.

https://goatmire.com/talk/millions-of-packets-zero-panic-observability-without-killing-the-patient
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Oh, I almost missed that the ElixirConf EU photo gallery is out. Now you can play the "who is wearing a shirt Lars made while presenting" game that I invented.

Was 3 for 3 for the first bit at the very least. Some lovely photos in there. Get at it.

https://codesync.pixieset.com/elixirconfeu2026/

#elixir

codesync.pixieset.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Making slides again. Recorded yesterday. Today I'm spending good time with Davinci Resolve...

#elixir

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Vague hope that LLMs will lead to better integration surface area for services and way more hackable hardware. Currently turning my glinet xe300 into an offloading/publishing flow for my dumbass Sony camera. Because FTP is way better than their app..

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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

BeamOps return and they bring fundamentals. This talk will get you all good and settled in your work with using containers, such as Docker. This is one of the talks that will really benefit any dev, I hope a lot of local Varberg devs make use of it.

https://www.goatmire.com/talk/docker-101
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Sam Aaron's presentations on Tau5 and Sonic Pi at Goatmire last year were incredibly popular. So when we set up the workshops that was top of the list. And we have space for a whole bunch of people.
https://www.goatmire.com/talk/make-some-noise?2

#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago
Replying to
It seems like maybe probably new members only get to vote next year :/ But hey, that'll be soon enough.
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

There is something about maps.. The entire program committee was weird levels of unanimously interested in this hands on map talk.

https://goatmire.com/talk/maps-easier-than-expected

#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Want me to schedule a follow-up on this thing we are doing right this minute in 2 weeks for no discernable reason?

Anthropic sure knows how to push a new feature..

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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

@siracusa@mastodon.social I assume someone has already sent this your way. I don't know if you follow the pod. I quite enjoy their episodes but this one seemed particularly relevant to you:
https://www.acquired.fm/episodes/ferrari

acquired.fm
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Open post
Lars Wikman @lawik@hachyderm.io
· 6mo ago

@siracusa@mastodon.social too rounded in software, insufficiently rounded in hardware. This was fun.

https://kentwalters.com/posts/corners/

kentwalters.com

On filing the corners off my MacBooks

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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago

Get hands on with AtomVM in this workshop by Davide Bettio. AtomVM is a very cool project in the Erlang ecosystem that is coming more and more into the spotlight. Running Elixir and Erlang within tight memory constraints is a heck of a sport.

#goatmire #elixir

hachyderm.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

@siracusa@mastodon.social MKBHD bringing the camera recommendation..
https://youtube.com/shorts/kUnR9dO4EnA?is=W49VIRyb0ikmZL5h

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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Very last hours of the Goatmire Elixir Call for Talks.

https://sessionize.com/goatmire-elixir-2026
#goatmire #elixir

sessionize.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

@imyke@myke.social the stuff Claude is useful for sometimes..

I never remember the name Bellroy when thinking about bags. But I remember who talked about it.

Claude was also very clear that you did not switch entirely away from Peak Design for all items.

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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

@hotdogsladies@mastodon.social random viral music recommendations I think you'd enjoy.

Did you have a Sleep Token moment when they were the thing? Otherwise, recommend.

I had a week recently when my entire YouTube was just people listening to Maphra and Angine de Poitrine.

I assume these have reached you and that you enjoyed them in some manner but doesn't hurt to make sure :)

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Open post
Lars Wikman @lawik@hachyderm.io
· 3mo ago

Need to get some control of the cloud that you run your Elixir on? This is the crew.

BEAMOps are showing up for Goatmire with two workshops that would normally be paid corporate training.

https://goatmire.com/sponsor/beamops
#elixir #goatmire

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

"Another late-night emergency call. Same client as last week. .. This can’t be an unbounded query or a caching blunder, it’s bigger than that."

They return. Another mystery, another investigation for the Oban detectives.

https://goatmire.com/speaker/parker-selbert
https://goatmire.com/speaker/shannon-selbert
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

This one is about radios.

Peter sent this one in and I'm glad he did though he has been needled about it ever since by his peers in the program committee. As it should be.
https://goatmire.com/talk/texting-lora

Love bad texting over annoying mediums. Let's do it.
#goatmire #elixir

goatmire.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 2mo ago

Currently looking for companies willing to chip in to support the next EEF stipend for Bart's awesome work on Hologram.

Either contact me to have the EEF manage the stipend, milestones and follow-through or contact Bart directly to support him more hands-on.

https://youtu.be/qqpNovT7cys?is=xJ2lNtDINoaHzN-x

#elixir

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Open post
Lars Wikman @lawik@hachyderm.io
· 3mo ago

A USB library for Nerves and another one for the SONY MiniDisc.

What in the slop-goblins is going on here?

https://github.com/lawik/circuits_usb

I was restless coming out of work, into vacation and just twitching over to my phone constantly so I started a little effort. Claude Code instance to exercise Fable on my computer and then /remote-control to use it on my phone.

#elixir

github.com
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Open post
Lars Wikman @lawik@hachyderm.io
· 5mo ago

Updated the Underjord newsletter archive. Latest issue was intended to be a post with a bunch of nice libraries but ended up being mostly an aside about UI libraries in Elixir. 291 for that.

https://underjord.io/underjord-newsletter-archive.html
#elixir

underjord.io
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Open post
Lars Wikman @lawik@hachyderm.io
· 6mo ago
Replying to
@JonRowe the number is arbitrary. Glad to hear the input :)
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Open post
Lars Wikman @lawik@hachyderm.io
· 4mo ago
Replying to
@dch@bsd.network a chonk
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