AJ's Blog
This is a personal blog focused on computer software and hardware. Most
projects are implementing software and hardware for a homelab. What is a
homelab? I would say a homelab could be a single computer or dozens of
computers connected in a network. You can also integrate with computers
in the Cloud.
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Recent Posts
06-17-2023
Today I will be sharing a method to obtain a wildcard TLS certificate for a domain that you control. A wildcard certificate is valid for any host in a domain that you control: *.example.net.
To issue wildcard certificates, you must have a DNS provider such as the AWS route53 service which is what I will be using. You can use any DNS provider manually but most providers provide an API that makes the process easier.
05-26-2023
One of the most useful systems to set up in a homelab is shared storage. Making storage available over the network makes it easier to share files and make system backups.
A popular operating system for creating a network storage server is called TrueNAS core which is based on FreeBSD and Linux and uses the OpenZFS file system. Check out a previous post if you are not familiar and want to set it up.
05-21-2023
As of April 18, 2023 Fedora 38 is available. Compared to the previous release, Fedora 37, there are not a large amount of changes that a desktop user will notice. This release includes the GNOME desktop version 44 which includes a new lock screen, new “background” apps settings menu and they reduced the default grace period given to processes when you shut down your system which will make sure your system powers off quickly.
05-13-2023
In a previous post I deployed a factorio game server using docker. The same image can be deployed onto kubernetes.
Installing factorio on Kubernetes Requirements In order to proceed, you must have a k8s platform, the kubectl command line utility, and a persistent provider. If you are not familiar with kubernetes, check out a previous post to get started.
Deployment to k8s In order to deploy factorio onto a kubernetes cluster, the deployment needs to be configured in YAML format document.
05-07-2023
It is important to keep your computers up to date with the latest software and security updates. Running Kubernetes requires some kind of underlying system to run the containers. If you are not familiar with Kubernetes or containers, check out a previous post to get started.
In a previous post, I looked at a tool, Ansible, to run common tasks on many systems at once. I still use Ansible to patch all of my systems every month.
04-30-2023
The Longhorn project is simplified, easy to deploy and upgrade, open source, persistent block storage on the Kubernetes platform. If you are not familiar with Kubernetes (k8s), check out a previous post to get started. If you are using Kubernetes in a homelab which is what I focus on in this blog, you may notice that setting up apps that worked well in Docker are much more challenging in Kubernetes. It is very easy to set up static web apps in Kubernetes as the container image includes all the files you need.