Justus Perlwitz

Inductive proofs are fun.

Learn how to solve the PatriotCTF 2024 Kiran Sau challenge.

Here's my writeup for the PatriotCTF 2024 Open Sesame challenge.

Here's my writeup for the PatriotCTF 2024 Really Only Echo challenge.

Here's how to solve the PatriotCTF 2024 Making Baking Pancakes challenge.

I bet you can't access my notes on giraffes!

Here's my writeup for the PatriotCTF 2024 Secret Door challenge.

I'm quite happy refactoring code from time to time with Qwen3.6-35B-A3B, specifically the Unsloth quantized UD-Q5_K_M version.

I'm quite happy refactoring code from time to time with Qwen3.6-35B-A3B, specifically the Unsloth quantized UD-Q5_K_M version.

In this tutorial, we'll walk through all the steps needed to set up your own Koriander CMS blog on Amazon S3 and CloudFront.

Here's how to fix the following error when installing J and JQt. gzip: unknown compression format tar: Child returned status 1 tar: Error is not recoverable: exiting now When installing J9.7 on macOS Sequoia 15.7.3, I unpack the ZIP release in my home di…

Here's my writeup for the PatriotCTF 2024 Impersonate challenge.

Here's my writeup for the PatriotCTF 2024 Impersonate challenge.

This page contains notes on my small collection of ETC devices.

This page contains my writeup for the PatriotCTF 2024 Dogdays challenge.

Here's how to create a Nix binary cache from a derivation's closure within a Nix derivation.

I'm currently renewing my visa (residence permit, 在留許可) in Japan.

Do you loathe online banking as much as I do?

Here's how you can use the Vim and Neovim QuickFix feature to conveniently jump between pytest errors without leaving your editor.

This page contains features and fixes that I'm planning to implement for Koriander CMS: Content management Improve first start onboarding experience Validate fragment-level references Create page templates, similar to Hugo archetypes Make Koriander better…

哀 喪 衷 畏 next to each other in a grid Four Chinese characters that I regularly confuse have a 衣 radical at the bottom (ja: したごろも).

Here's how to make your first site in Koriander CMS.