TL;DR

Much like bungee jumping or weapons handling, learning how to handle chemicals correctly should be part of pop culture. So that people don't blow up their fingers. Did you know there are hand surgeons who specialize only in fixing hands? Some wounds never heal (go look up phantom …

Disclaimer

There are ML, LLM, or "AI" systems which are trained using high-quality data which is used as part of their training, testing, cross-validation sets etc. Their results are verified by experts. They are probably quite nice systems, but they also have a high price tag (and come with questions …

Introduction

This is part of a serial experiment to get familiar with kernel livepatching. The blog post aims to demonstrate how kernel livepatching could be useful to address problems where a kernel reboot is not an option and other options cannot be used.

The title is based on the Phoronix …

Introduction

Here's a fun little thing that happens between a more ops oriented system administrator and developers. Considering the crap colleges produce every year, there's more and more people with fancy degrees that don't mean anything who manage to wrestle the permissions to publish releases from the Ops crowd. Of …

Introduction

This blog post uses Fedora 40 and the 6.10 kernel. The focus is to get the technology working on a 'real' system via a series of experiments. Serial experiments help build-up the knowledge, experience, tooling etc. to handle real-world use-cases.

In this part we'll try using the Fedora-native …

Introduction

This awesome paper https://web.mit.edu/nelsonr/www/Repenning=Sterman_CMR_su01_.pdf indicates that for the chemical industry, there was a need to create a game scenario for participants to understand how the optimal strategy behaves over longer periods of time. The paper is awesome, however, the lessons are …

Introduction

KeyDB sounds like a viable redis alternative in 2024, however there are issues with how active-active replication works. It mostly boils down to issues with reconciling data when writes arrive at both instances. https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type is a good introductory read.

The relevant issues

The relevant …

Introduction

There was a lot of coverage around the titan submarine but most of it wasn't very useful. The only useful newspaper article I have found is: https://www.vanityfair.com/news/2023/08/titan-submersible-implosion-warnings

I highly recommend reading it in full.

Some of the key highlights

Some key takeaways …

Introduction

This blog post uses Fedora 40 and the 6.10 kernel. The focus is to get the technology working on a 'real' system via a series of experiments. Serial experiments help build-up the knowledge, experience, tooling etc. to handle real-world use-cases.

Kernel livepatching is a nice technology that doesn't …

Introduction

This is an example of how to unpack an image and access the files from an img file. The problem is that depending on the actual file, different procedures (and tools) need to be used.

Preparation

A ubuntu 22.04 cloud image from https://cloud-images.ubuntu.com/jammy/current …

Introduction

One of the more fun things in 2024 is evaluating software for use as part of a CI/CD pipeline. I think that kicking off a CI/CD pipeline should involve some kind of human intervention in the form of a person with a gpg smartcard, or a HSM-powered …

Disclaimer

All views expressed on this sitre are my own and do not represent the opinions of any entity whatsoever with which I have been, am now, or will be affiliated.

The author is not to be held responsible for your use of the information contained in or linked from …