Create multiple resources with a loop If you want to create multiple instances of, say, an Azure resource group, you can add a for_each argument. The for_each argument accepts a map or a set, and creates an instance for each item in that map or set. So you can create a map of key value pairs (aka a dictionary) and use …

This is a back to basics post about a Terraform pattern: conditionals. It's Azure centric. Conditionals: if then else Imagine we want a resource group name to follow the rules of naming convention but in other cases we don't want to. So if there is a naming convention, implement that, if not than do not. For example, …

This is a post about my workflow when editing files in the terminal. When editing files quickly I usually resort to vim. It requires a lot of muscle memory but hey, one needs to train their reptile brain, right. Tmux config So I use tmux and vim so you need those two installed. My tmux config is really simple. I …

Here is my vim & tmux cheatsheet. tmux This is my .tmux.conf. I prefer to set the meta key to q. 1set-option -g prefix C-q 2set -g mouse off 3 4set -g status-bg black 5set -g status-fg white Command What it does ctrl+q arrows Navigate windows (tmux) ctrl+q % Split vertically (tmux) ctrl+q " Split …

Arch Linux is extremely well documented so I highly recommend to read the Arch installation guide. This guide installs the Gnome desktop environment, but one can easily swap Gnome for i3 or another desktop environment, or leave it all together. This is the procedure I used for installing Arch on a Thinkpad t460s, t490s …

In Azure Kubernetes Service (AKS), nodes of the same configuration are grouped together into node pools. These node pools contain the underlying VMs that run your applications. The initial number of nodes and their size (SKU) is defined when you create an AKS cluster, which creates a system node pool. To support …

Normal users are assumed to be managed by an outside, independent service. Kubernetes does not have objects which represent normal user accounts. Normal users cannot be added to a cluster through an API call. However, any user that presents a valid certificate signed by the cluster's certificate authority (CA) is …

Here is how to quickly install Kubernetes with ingress on your laptop. I use this to test and create operators with the Operator Framework. Still learning though. I was first using K3s but then I discovered Kind which seems to be even faster, deployment wise. Also it leaves a smaller footprint because it runs in a …

This post is about installing lightweight Kubernetes (K3s) on our new vm. K3s The previous post was all about being able to install Kubernetes quickly. For that I will use k3s from Rancher because it is fast. Let's go! Prepare We do this for testing so we can safely disable the firewall and SELinux on our CentOS vm. …

Here is a post about how to create virtual machines with Vagrant and the libvirt plugin. Why use libvirt as a vagrant provider Because when on a modern Linux distro running Gnome, chances are it's already there! I use Vagrant extensively to run quick, short lived virtual machines to test and try out things. I always …