We look into writing a QR code generator in java from scratch. QR Code has a lot of different technologies…
How to write an auto clicker in Java
After I got asked by my kid to download and install an auto clicker. I saw this as a teachable…
Looking into a manual upgrade of Ceph to Pacific
Doing a manual upgrade of my Ceph cluster. In the same process, I get the Debian operating system upgraded that…
Doing an automatic upgrade of ceph cluster using cephadm
In this video, I look into installing and enabling orchestration using cephadm. Then I will perform an automatic upgrade with…
Talking about lambda functions in java using example
We look into lambda functions in java using example code and understand what functions could help you with. Java has…
Writing a custom log4j appender in java, using RabbitMQ
We look into writing a custom log4j appender in java and how to send you to log messages with an…
Looking at logrotate in debian and timers in general.
We look into logrotate on Debian and figure out how timers actually work with a system with cron installed and…
Looking into java service provider interface (SPI). Learning by example.
I took a look at the service provider interface in java. This is a needed interface to build simple services…
How to create a video in java
In this tutorial, I go through how to create a video in java. Using the framework Xuggle we can create…
A quick tutorial on using JSON-simple parsing JSON documents in java
This simple tutorial will show you how to parse JSON in java using JSON-simple from Google. JSON-simple is a bit…
