Home Assistant is an open-source software providing a complete toolset for home automation. It offers by far the biggest interoperability with all kinds of boards, sensors, and external services. Getting started with Home Assistant can be tough because it offers so many features. …

In your IOT home network, several applications are provided as Docker containers. Typically, containers expose a port on its host. To access the applications, you type in the IP address of the host and its exposed ports. …

My Raspberry PI based IOT stack, introduced in an earlier article, is productive and online for more than one year. It’s time to make a full upgrade of the operating system, the Docker containers, and all associated configurations. This article completely covers my approach, including regrettable mistakes that I disclose…

OpenShift is platform for running containerized application workloads. It’s been in development for over 10 years, and the recent version supports Kubernetes as the default orchestration mode. This article is a hands-on tutorial on how to install an OpenShift Kubernetes Cluster on Google Cloud. You will learn how to install…

The Google Kubernetes Engine provides a managed Kubernetes environment. Like its counterpart in AWS, it is also deeply integrated into the Google cloud, and allows to use other abstractions. This article is a hands-on tutorial on creating a GKE cluster. To automate as many steps as possible, I will use…

There are several options to roll your own Kubernetes cluster. In addition to provisioning on managed infrastructure, you can also create a managed cluster that is integrated with a particular cloud environment, enabling you to use other services and concepts from the cloud environment. This article is a hands-on tutorial…

Kubeadm is a Kubernetes distribution that provides all customization options that you can think of: container runtime, container network interface, cluster storage and ingress. You can configure all these aspects of your cluster but have to understand the individual options and their setup as well. …

Kops is a Kubernetes distribution that installs a Kubernetes cluster on cloud providers. Fully supported are AWS und GCE, and beta support exists for Digital Ocean, Hetzner and Open Stack. This article is a tutorial for installing a 3 node Kubernetes cluster on AWS. We will quickly review the prerequisite…

The Kubespray distribution brings the power of Ansible for configuration, setup, and maintenance of a Kubernetes cluster. Starting from an inventory file, you define which nodes are part of the cluster and which role they should play. Then, additional configuration files fine-tune the settings of the various Kubernetes components. By…