How to run Android tests on Travis CI (update)

I try to solve Advent of code puzzles during the 2024 event. Please share your solutions and be a part of this great community.

In this video, we try out magic wormhole and talk about the technology behind the service. It’s built by one person who has worked on similar technologies for years and has now created a minimal program to send files to anyone securely. It uses a channel and two secret words that you easily can relay…

I reflect at the last year and my feelings about this journey.

We look into how a Ceph filesystem works and how to add a filesystem to your Ceph cluster. Configuration, authentication and other important topics you need to know in order to run a cluster with a filesystem. Setup MDS services First, we need to add the MDS (MetaData Service) to each of the nodes. The…

I wanted to try out the newly released Debian version of Bullseye for my Ceph cluster, so I updated one of my hosts, which, in hindsight, might have been a bit too early. Reseting a Ceph Host after OS crash or failed update Preparing cluster First you need to set the cluster into a noout…

We look into writing a custom log4j appender in java and how to send you to log messages with an appender to RabbitMQ. Writing a custom appender is challenging due to performance considerations.