12 Factors for micro service applications

We look into how to set up WireGuard on a Linux system. In this case, we use Debian in order to create a tunnel between two nodes using WireGuard. The setup is quite easy because WireGuard has strong opinions about what should be available and that means that the setup doesn’t have that many things…

Java 18 is released, and the new JDK will bring a lot of interesting features to java. We go through all the features in 18 and talk about the performance benefits and some important caviats to keep track on in your code.

We upgrade Debian using a simple guide to go from Jessie to buster and looking at the different upgrade steps required to guide you through the process to get your Debian upgraded. GitHub Gist: https://ift.tt/39tm13L Please follow me on twitter Tweets by kalaspuffar Or visit my blog at: https://ift.tt/3bF6D4l Outro music: Sanaas Scylla #debian #linux…

We look into lambda functions in java using example code and understand what functions could help you with. Java has many new concepts that could help you, and lambda is just one of them. For example, you could create Suppliers that give you a value, Consumers that use a value, and then functional interfaces.

We talk about logging in general and the different levels used in java and then we talk about the log4j logging API and how to set it up for writing files, logging to console, or doing a custom setup. We also talk about different frameworks and best practices. Github repository https://ift.tt/3iEGWnW Please follow me on…

We solve the day 13 challenges for the Advent of Code. Please follow me on twitter Tweets by kalaspuffar Outro music: Sanaas Scylla