Nginx is a powerful reverse proxy routing your domains from the Internet to your applications. This tutorial shows you how to serve a static HTML page with Nginx. I’d like to share with you how I got my maintenance page set up for the application using Nginx. Create a Dockerfile…

Azure Kubernetes Service (AKS) uses certificates for authentication with many of its components. Periodically, you may need to rotate those certificates for security or policy reasons. Prerequisites: Install or upgrade Install Azure CLI. If you receive the below error when you try to connect to a cluster, then the certificates…

What is a CSR? A CSR (Certificate Signing request) is a block of encoded text that is given to a Certificate Authority when applying for an SSL Certificate. It also contains the public key that will be included in the certificate. …

What is HPA? Autoscaling is one of the key features in the Kubernetes cluster. With Kubernetes, we can autoscale our resources natively with the Horizontal Pod Autoscaler. It is a feature in which the cluster is capable of increasing the number of pods in a replication controller, deployment, replica set…

Step 1 — Installing Jenkins The version of Jenkins included with the default Ubuntu packages is often behind the latest available version from the project itself. To ensure you have the latest fixes and features, use the project-maintained packages to install Jenkins. First, add the repository key to the system: wget -q -O — https://pkg.jenkins.io/debian-stable/jenkins.io.key…