In this article I will show how to create a Multipass virtual machine that has an additional user which can connect to the virtual machine authenticating using a private key. To accomplish this I will use cloud-init when creating the virtual machine. The cause for this is to allow creation and provisioning of Multipass virtual… Read More »
Update 2023-04-21: I have revised the K3S and Traefik installation processes and written a new article in which these are described. The Test-Drive part of this article is still relevant. In this article I will install the free open-source edition of Traefik 2, version 2.3 being the latest at the time of writing, into a… Read More »
This is another Kubernetes-related notebook entry in which I will document the procedure for setting up a Kubernetes cluster using K3S in virtual machines created with Canonical’s Multipass. In addition, I will describe how to configure kubectl, the Kubernetes command-line cluster management tool to manage the K3S cluster from outside of the virtual machines in… Read More »
Kubernetes and the echo-system around it has developed a lot during the last few years making Kubernetes much more accessible. In this article, which purpose mostly is to scribble down some notes for myself, I am going to describe how to run Kubernetes in Docker containers using Kind (Kubernetes in Docker) on Ubuntu and Mac… Read More »
This post is mostly notes in my own notebook, in order for myself to remember something I have found useful. Given my virtual laboratory that I created in an earlier post, it soon becomes tedious to run the same commands over and over again on the different nodes in the virtual laboratory. So I started… Read More »
Some time ago I began thinking about setting up an environment in which I could test, for instance, running Dockerized applications on multiple computers. For a while I even considered a real server until I realised that it not only costs a lot of money to buy a server, but that the electricity bills will… Read More »
I tried to find instructions on how to enable the Docker remote API when running Docker in Ubuntu 16.04, but none of the instructions I came across managed to take me all the way, so here are a few short notes on how I managed to accomplish this: Edit the file /lib/systemd/system/docker.service I used the… Read More »
In this article I will give an example on how to maintain time in a Docker container. The time may be the correct local time or the accurate time of another timezone. Reasons for doing this may be: The container is run on a host which does not maintain correct time information and you cannot… Read More »
In this article I will create a Docker image that contains the Elasticsearch, Logstash and Kibana – more commonly known as the ELK stack. This Docker image will be based on the Docker image with Java 8 on Ubuntu that I created in an earlier article. I am aware of there being Docker images containing… Read More »
This short article shows how to create a Docker image with Ubuntu 15.04 and that has Java 7 or 8 installed. It will act as a base for some future articles that I have planned to write. Yes, I am aware that there are several Docker images with Java 8 on Docker Hub. Prerequisites When… Read More »