Let’s look at the following diagram to create Kubernetes Replication Controller: What to remember when creating ReplicationController apiVersion: v1 You can define number of replicas, selector and template under spec spec->template has its own spec section along side metadata You specify containers’ related attributes under template‘s spec Create ReplicationController YAML file example
Recently I had to write a bash script to truncate all tables on a test database server. Using PgAdmin is a real pain since I have a lot of tables and databases. In addition, I need to do this quite frequently. And I also didn’t want to install Postgres on my machine. The requirement is … Read more
I’ve been trying installing a Kubernetes cluster for while following the official documentation without any success. It turned out the official documentation was missing some important steps (or they put the missing steps else where I couldn’t find). Anyways, if you are struggling to get a Kubernetes up and running, this step by step tutorial … Read more
Set static IP for VirtualBox VM so you can ping from host and other VM in less than 5 minutes
A simple javafx project that let you build a simple web server to server static content
JavaFX is a great tool to quickly deploy desktop applications. However, the setup is always a pain for me, especially after JDK8, you need to download JavaFX SDK separately. I create this JavaFX starter project to help myself and people who want to start working with JavaFX without going through the pain of setting up. … Read more