Advent of Code – Day 10 – This was a hard one

We look into installing OpenStack using Kayobe. OpenStack is a compute cluster solution with a lot of different services that could handle many task such as storage, network, compute and orchestration.

I’m trying to solve all the Advent of Code puzzles in this video series.

We go through how to manually install a Ceph cluster. We will add Object storage devices and play around with Rados. Rados (Reliable autonomic distributed object storage) is a great way to store data in a secure and efficient way. Adding storage When the cluster is up and running and all monitors are in qourum…

In this tutorial, I go through how to create a video in java. Using the framework Xuggle we can create a video file containing a stream of images. But you can use any BufferedImage to create these frames, so this library is super flexible and even support audio.

We look into using the cephadm tooling to bootstrap and configure a small cluster with 3 drives and multiple hosts. We go into how cephadm administers different resources and shares them between hosts. Installing main host First we need curl in order to fetch the cephadm application sudo apt install -y curl Then we download…

I am looking into POE (Power Over Ethernet). What is required to run servers without having a power cord? I’ve been really curious, so it was fun to learn about it.