Java 12 – Spring cleaning
We talk about the new features in Java 12, all about garbage collectors and switch statements.
Using the material design we create a new web component with an input box and label.
We look into how to download and build OpenJDK 13 from source. We talk about dependencies and commands for Linux and Windows.
We talk about the Feistal Cipher and implement a simple proof of concept to test the algorithm out. Computerphile video: https://www.youtube.com/watch?v=FGhj3CGxl8I Source code: package org.ea; import java.security.MessageDigest; import java.util.Arrays; public class FeistelAlg { private final static String plainText = "the brown fox jumped over the lazy dog"; public static void doRound(byte[] left, byte[] right) throws…
We look into how to setup kubernetes easily on one machine and then get cephfs mounted into a pod. Using ceph you could balance workloads or share resources easily in your kubernetes cluster. Git repository ceph-kubernetes An example of how to setup ceph mounting on a kubernetes cluster. Ceph Packages First up after you have…
We will look into what shortcuts are and how to set them up in your Android project.
We look into how a Ceph filesystem works and how to add a filesystem to your Ceph cluster. Configuration, authentication and other important topics you need to know in order to run a cluster with a filesystem. Setup MDS services First, we need to add the MDS (MetaData Service) to each of the nodes. The…