In this video, I will teach you how to store data with ETCD, set up an ETCD cluster, and recover from a disaster.

In this video, we look into the database library Galera for MySQL or MariaDB. It enables replication over multiple hosts where each host is a master and replicated to the other hosts so it’s eventually consistent.

In this video I look into htmx and the workflow to write a simple notes application with a simple backend API. htmx is a really cool way to write code in pure HTML and just add one small javascript library to get an reactive page.

In this video we look into the new preview features for connecting java applications to native libraries and run functions. We test both running against libraries loaded in the system and we also load a custom library we built from C code.

In this video, we look into the Ultralytics Yolo framework. It enables you to run a pre-trained Yolo algorithm and retrain it for your particular use case. Using this model, you could easily create a new model to detect your favorite things in an image and create location boxes over the objects.

Looki Looki No Hands, Automatic install of Ubuntu server. Extracting all the files from the original ISO mkdir source-files xorriso -osirrox on -indev ubuntu-22.04.2-live-server-amd64.iso –extract_boot_images source-files/bootpart -extract / source-files Edit the boot menu menuentry "Autoinstall Ubuntu Server" { set gfxpayload=keep linux /casper/vmlinuz quiet autoinstall ds=nocloud\;s=/cdrom/nocloud/ — initrd /casper/initrd } Repack the ISO from the files […]

In this video, we look into running rados gateway on backends other than Ceph, particularly in SQLite. This could be useful for testing workloads or running a proxy service with user management. First a good start is to upgrade / update your system so you have the latest packages. sudo apt update sudo apt full-upgrade […]

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 […]

2024-07-09 17:12:13 Tuesday In this video we look at how to install stable diffusion in a docker container. This entails making our GPUs available in docker containers and running stable diffusion in a listening mode. We also enable the capability to run extensions inside of the container. Nvidia docker First of we need to get […]

Using Keycloak we look into web authentication and how to setup a standard OpenID flow. Then we go one step further and look into using an Quarkus application and authentication through OpenID using Keycloak. Last but not least we configure a required role for one endpoint in our application via Keycloak to see that we […]

In this video, I try to solve my problem after upgrading to the latest Linux kernel. The drivers have not been updated from Blackmagic, so I go in and check the source code and make the suggested changes from their forum, but it still won’t work. The last fix was to change the kernel object […]

In this video we go though how to setup SSL on the API connection for object storage. We look at creating some self-signed certificate and then add them to the S3 object storage endpoint for your ceph cluster.