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  • The Freezer light nobody noticed for four years

    calendar Sep 22, 2026 · 4 min read  · Loose-Thoughts  · AI  ·
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    The Freezer light nobody noticed for four years

    I asked an LLM a simple question about defrosting my freezer. It answered, and then pointed out a small yellow light that had been on, unnoticed, for 4 years. Defrosting with minimal mopping I simply wanted to find out if there were any features on my (inherited) freezer that could help me defrost it. Yes, I know I can …


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  • Java Module System

    calendar Aug 6, 2024 · 4 min read  · Software-Development  · java java9  ·
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    Java Module System

    Ever since I came across release notes of Java 9 (released in September 2017) I was telling myself to look at the JPMS one day. It was a product of project Jigsaw. Quote from that site The primary goals of this Project were to: Make it easier for developers to construct and maintain libraries and large applications; …


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  • Blog anatomy - Infrastructure provisioning (upgrade 2024)

    calendar Jul 11, 2024 · 2 min read  · Dev-Ops  · aws cloud iac  ·
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    Blog anatomy - Infrastructure provisioning (upgrade 2024)

    I expected that the provisioning aspect will swallow a lion's share of my time devoted to upgrade. I knew that the iterations that help my discovery process and testing are going to be really slow when run on certain cloud services. That's in contrast to superfast iterations when executing code locally: CloudFront …


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  • Blog anatomy - Infrastructure provisioning overview

    calendar Jul 8, 2024 · 10 min read  · Dev-Ops  · aws cloud iac  ·
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    Blog anatomy - Infrastructure provisioning overview

    CDK is an interface between you and CloudFormation Simply speaking, CDK is just a CloudFormation generator, but wait ... that's a good thing. CloudFormation is powerful, just not pleasant to use, in my opinion. I find CloudFormation hard to read, long-winded, non-extendable, arbitrarily structured, and I dislike the …


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  • Blog anatomy - Cloud services

    calendar Jul 5, 2024 · 3 min read  · Dev-Ops  · aws cloud  ·
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    Blog anatomy - Cloud services

    The following sections will highlight the Cloud Service architecture and management approach behind this site. Please note: If you are not familiar with term Pet/Cattle infrastructure management style, please have a look at my previous post in this series Pet resources 🥺 When I was first creating this site, I created …


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  • Blog anatomy - Managing cloud resources

    calendar Jul 2, 2024 · 5 min read  · Dev-Ops  · cloud iac  ·
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    Blog anatomy - Managing cloud resources

    Pets or cattle This analogy highlights the different approach we take when managing resources. Pets approach as equivalent of long-lived, manually managed resources With pets, we care about their name, we tend to them regularly, and they get that special spot in our life. More importantly, we want them to live long, …


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  • Blog anatomy - Site generation (upgrade 2024)

    calendar Jun 28, 2024 · 8 min read  · Authoring  · hugo docker  ·
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    Blog anatomy - Site generation (upgrade 2024)

    I updated Hugo from 0.88.0 to 0.127.0 which, trusting semantic versioning, was going to be backward compatible. That update bundled 3 years of change within Hugo and the theme. I mentioned the theme as it is one of the main reasons the site looks and works the way it does. Albeit the theme provided most of the features …


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  • Blog anatomy - Site generation overview

    calendar Jun 22, 2024 · 2 min read  · Authoring  · hugo  ·
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    Blog anatomy - Site generation overview

    I ported this blog from Jekyll to Hugo in 2021. Both are classed as static site generators 1. It was triggered after Jekyll reached version 4, which I wanted to roll with, but I got stuck on an upgrade. I started having issues with generating, and, it didn't seem like there's an obvious solution to it (at least at the …


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  • Blog anatomy

    calendar Jun 20, 2024 · 2 min read  · Authoring  · aws cloud hugo iac  ·
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    Blog anatomy

    Introduction Surprisingly, to-date, I wrote little about the technologies behind this blog or about the tech journey it went on. Recently, I decided to improve the process behind it and update the tech stack as it aged. As I was already in that mental context, I wanted to share it and document some findings that may be …


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  • Demo user with AWS-CLI and MFA.

    calendar Oct 28, 2018 · 7 min read  · Dev-Ops  · aws cloud  ·
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    Demo user with AWS-CLI and MFA.

    Why? I was preparing to a demo of AWS features and I was going to use CLI for most AWS interactions. Presented material was spanning across multiple services and involved creation and destruction of resources that incur cost. Some of the actions required a user that is empowered. The broad range of services required a …


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Seb Walak

Software Engineer. Technology lover. Technology hater. Tinkerer. Occasional traveller.
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Featured Posts

  • The Freezer light nobody noticed for four years
  • Java Module System
  • Blog anatomy
  • Metronome's Cacophony. Concurrency in Go.
  • Base, custom VPC stack, provisioned with Terraform in AWS

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