Category Archives: Computers

Llamas Band Website

Posted on November 20, 2022 by Freejack

Overview This article provides instructions in how to build my llamas container and then how to deploy it into my kubernetes cluster. In addition, a Horizontal Pod Autoscaling configuration is used. Container Build The llamas website is automatically installed in … Continue reading →

Posted in Computers, Docker, Kubernetes | Tagged , , , | 1 Comment

GitLab CI/CD Pipeline

Posted on November 20, 2022 by Freejack

Overview This article provides details on my use of the GitLab Runners in order to deploy websites and then automatically build, tag, and push images to my local docker repository. Runner Installation I’ve been using Jenkins for most of my … Continue reading →

Posted in CI/CD, Computers, Docker, Git, Kubernetes | Tagged , , , , | 1 Comment

ArgoCD CLI Commands

Posted on November 20, 2022 by Freejack

Overview This article lists argocd CLI commands that were used to review and manage the ArgoCD installation. A lot of times finding useful commands isn’t easy. This article lists the more commands I used when getting things set up. Help … Continue reading →

Posted in CI/CD, Computers | Tagged , , | 1 Comment

Continuous Delivery With ArgoCD

Posted on November 20, 2022 by Freejack

Overview This article provides instructions in installing and configuring ArgoCD in Kubernetes. Installation The main task here is that Openshift is using ArgoCD so we should be familiar with how ArgoCD works. Images Installation-wise, it’s pretty easy. There are a … Continue reading →

Posted in CI/CD, Computers, Kubernetes | Tagged , | 1 Comment

Ingress Controller

Posted on November 20, 2022 by Freejack

Overview There are multiple IP assignments used in Kubernetes. In addition to the internal networking (by Calico in this case), you can install an Ingress Controller to manage access to your applications. This article provides some basic Service information as … Continue reading →

Posted in Computers, Kubernetes | Tagged , , , , , | 1 Comment

Persistent Storage

Posted on November 20, 2022 by Freejack

Overview In this article I’ll configure and verify Persistent Storage for the Kubernetes cluster. Installation This is a simple installation. The NFS server has 100 gigs of space which will be used for any Persistent Volume Claims (PVCs) needed by … Continue reading →

Posted in Computers, Kubernetes | Tagged , , | 1 Comment

Kubernetes Networking

Posted on November 20, 2022 by Freejack

Overview This article provides instructions in installing the networking layer to the Kubernetes clusters. Calico Networking You’ll need to install Calico which is the network layer for the cluster. There are two files you’ll retrieve from Tigera who makes Calico. … Continue reading →

Posted in Computers, Kubernetes | Tagged , | 1 Comment

Kubernetes Metrics Server

Posted on November 20, 2022 by Freejack

Overview The metrics server collects metrics from your kubernetes cluster. It’s also used by the Horizontal Pod Autoscaling (HPA) function to let you manage pods. Installation For my clusters, it’s a pretty simple configuration. I retrieve the components.yaml file from … Continue reading →

Posted in Computers, Kubernetes | Tagged , , , | 1 Comment

Installing Kubernetes

Posted on November 20, 2022 by Freejack

Overview This article provides instructions in building the Kubernetes cluster using kubeadm and any post installation requirements. Build Cluster On the first control plane node run the kubeadm command. After the first node has been initialized, the connect strings will … Continue reading →

Posted in Computers, Kubernetes, Uncategorized | Tagged , | 1 Comment

Preparing Kubernetes

Posted on November 20, 2022 by Freejack

Overview This article will provide a howto on preparing hosts to install Kubernetes 1.25.7 on CentOS 7 using kubeadm. I’ll be using CRI-O as the container environment and Calico for the network layer. A followup article will provide instructions in … Continue reading →

Posted in Computers, Kubernetes | Tagged | 1 Comment