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

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

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 …