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Xe Iaso's blog

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Thoughts and musings from Xe Iaso

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I hate compilers

You'd think that given the same bytes of input you'd get the same bytes of output. lol. lmao. No, you don't. It's complicated.

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Why are cached input tokens cheaper with AI services?

TL;DR: the GPU doesn't have to math as hard

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"No way to prevent this" say users of only language where this regularly happens

In the hours following the release of CVE-2026-45447 for the project OpenSSL, site reliability workers and systems administrators scrambled to desperately rebuild and patch all their systems to fix a heap use-after-free in PKCS7_verify(). This is due to the affected c...

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Giving your Go apps Tigris superpowers

tigrisdata.com/blog/storage-sdk-go/

Tigris is S3-compatible, which means you can point the AWS SDK at it and most things just work. The catch is that the Tigris-exclusive features—bucket forking, snapshots, object renaming, and the like—need verbose workarounds because the AWS SDK doesn't know they exist. ...

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IPv6 zones in URLs are a mistake

Run away while you still can, it's not too late for you to avoid the curse of knowledge.

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"No way to prevent this" say users of only package manager where this regularly happens

In the hours following the news that Redhat Insights' JavaScript packages fell victim to a supply chain attack via NPM, developers and systems administrators scrambled ensure all of their projects were unaffected from a supply chain attack that steals credent...

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Dancing mad with sandboxing

Kefka is a Go-native shell sandbox with coreutils, Python via WebAssembly, and more. Learn the works of madness that went into making this happen!

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"No way to prevent this" say users of only package manager where this regularly happens

In the hours following the news that art-template fell victim to a supply chain attack via NPM, developers and systems administrators scrambled ensure all of their projects were unaffected from a supply chain attack where attackers have controlled the reposit...

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"No way to prevent this" say users of only language where this regularly happens

In the hours following the release of CVE-2026-45250 for the project FreeBSD, site reliability workers and systems administrators scrambled to desperately rebuild and patch all their systems to fix a kernel stack overflow when validating permissions of the setcred(2) ...

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"No way to prevent this" say users of only language where this regularly happens

In the hours following the release of CVE-2026-45584 for the project Microsoft Windows, site reliability workers and systems administrators scrambled to desperately rebuild and patch all their systems to fix a memory safety vulnerability resulting in arbitrary code ex...

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Amazonbot is finally respecting robots.txt

Thanks for giving me a viable business model Amazon!

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I'm really frustrated that GitLab is doing layoffs

Winning at this could have been so easy

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Maybe you shouldn't install new software for a bit

Oh boy yet more linux kernel vulns

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Claude Code won April Fools Day this year

They gave people a heckin tamagochi, what's not to like?

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Small note about AI 'GPUs'

They are graphical processing units that can't process graphics.

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Homelab downtime update: The fight for DNS supremacy

Turns out everything DID NOT go offline somehow. Yay!

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My homelab will be down for at least 20 days

Dang, guess I have to suffer.

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I don't know if I like working at higher levels of abstraction

AI tools push us to higher abstraction. I'm not sure I like what that costs us.

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Some Thorns Have Roses

Recovery gave me things I didn't ask for and I'm not ready to give them back.

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Vibe Coding Trip Report: Making a sponsor panel

I needed to ship this before my surgery, so I vibe coded it. It turned out well enough.

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Using Clankers to Help Me Process Surgery

At 4 AM in recovery, the machines that never sleep turned out to be exactly the right company.

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Advice for staying in the hospital for a week

Hard-won wisdom from a week of fluorescent lights and beeping machines.

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The Unbound Scepter

My post-surgery medication stack gave me the most on-the-nose dream of my life.

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Killing my inner Necron

On surviving surgery, confronting mortality, and finding peace on the other side.

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Portable monitors are good

A review of portable monitors for travel

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Life Update: On medical leave

Taking some time off for medical reasons until early April

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Anubis v1.25.0: Necron

github.com/TecharoHQ/anubis/releases/tag/v1.25.0

Hey all, I'm sure you've all been aware that things have been slowing down a little with Anubis development, and I want to apologize for that. A lot has been going on in my life lately (my blog will have a post out on Friday with more information), and as a result I ...

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The Discourse has been Automated

An AI agent submitted a PR to matplotlib, got rejected, and then wrote a callout blogpost attacking the maintainer. I have no idea how to feel about this.

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Matrix ain't it chief

Watch arathorn get in the replies for this one.

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Humanity's last programming language

What if markdown was executable? You get markdownlang.