My Personal Blog
Joost van der Made 
When I was creating video’s with the Lightboard of some other normal video’s, somebody noticed something strange. It was a distortion of my hand in the video. After a half a day googling about it, here is what I found: What is perspective distortion? When we see object, on our mind they are in perspective. … Read more
Specialized applications can need to read/write directly to a block device. The main use case are databases. A filesystem is more “human-readable” and it adds extra overhead. Instead of the filesystem, block devices are chosen more often. More information about Kubernetes can be found HERE. After the installation of Kubernetes and the HyperFlex Container Storage … Read more
In a containerized environment, you need persistent volumes . With HyperFlex 4.5, iSCSI thisis possible. What are the difference between using iSCSI or CSI in a container. Information about Kubernetes Persistent Volumes can be found HERE. iSCSI can only do: ReadWriteOnce and ReadOnlyMany. HX-CSI can do both AND also ReadWriteMany. (Block) There is a very … Read more
For the HyperFlex Container Storage Interface (HX-CSI) you will need a Kubernetes cluster. Here is the start of an image that have the right software on it and which you can clone before configuring Kubernetes. Start with a normal Ubuntu 18.04 installation. I just want to have certain versions of software and that is why … Read more
To make some awesome videos, I’m using my GoPro Hero8 with 2K7 (2704×1520) resolution. This is because I’m using a green screen and although the end videos are in FullHD, with this resolution I can easily crop, resize parts of the video without losing any quality. Cutting MP4 into smaller files would make life easier. … Read more
A couple of years ago, they found out I had diabetes. There are several ways to control it and the easiest way it to have food with not a big amount of carbs. Here is an awesome ice cream recipe which my wife is making for me on a regular basis. (Lucky Me!) Some call … Read more
There are several ways to create a video with PowerPoint slides. There is a possibility to create a video from PowerPoint itself, but I like to have the slides a pictures. This way it is easy to create a production with the slides in, for instance, Camtasia. How do you export slides and change the … Read more
It was already impossible to login with root in HyperFlex Connect, but you still could login with SSH or locally with a root account. In HXDP 4.5 there is the Restricted Shell or Admin Shell. What is the Restricted Shell? In the restricted shell there is a limited number of commands that you can perform. … Read more
The latest HyperFlex Data Platform 4.5 can be found at: cisco.com/go/software and one of the new feature is iSCSI. With iSCSI you can have raw block storage device to your server over the network. I’ve already created a blog where I explained iSCSI in a nutshell and there is more! The playlist of all the … Read more
The first time I used a lightboard was in 2018. Together with a colleague we created some awesome videos and it was fun to make them. With the Working From Home, I don’t have access to a real big lightboard and I wanted to create some content for the next HyperFlex Data Platform release. That … Read more