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{{}} Providing Variables to Kubernetes Applications While we shouldn't run naked Pods, we've already seen we can pass environment variables when creating a Pod:kubectl run mydb --image=mysql --env="MYSQL_ROOT_PASSWORD=password" When creating a Deploy...
{{}} Storage Options Files stored in a container will only live as long as the container itself: they are ephemeral. To solve this problem we can use Pod Volumes, they outlive containers and stay available during the Pod lifetime. The Pod Volume is a...
{{}} The Kubernetes network model dictates that: Every Pod has its own IP address Containers within a Pod share the Pod IP address and can communicate with each other using a loopback interface (localhost). Pods can communicate with all other Pods i...
{{}} Deployments Deployments are the standard for running applications in Kubernetes, it protects Pods and will automatically restart them if anything goes wrong. Additionally, it offer features that add to the scalability and reliability of the appl...
{{}} Managing Basic Pod Features Deployments are the standard for running applications in Kubernetes. For the sake of getting familiar with Kubernetes and understanding the essentials, we'll be creating and running native Pods. Understanding Pods A...
{{}} What is Kubernetes? https://kubernetes.io/ Kubernetes is an open-source ecosystem for automating deployment, scaling and managing of containerized applications. It provides a core solution with many third-party add-ons focusing on different area...
{{< figure class="center" src="/img/redhat-8-logo.png" alt="Red Hat logo">}} {{< figure class="center" src="/img/podman.png" alt="Podman logo">}} Typically an application container runs a single service, but instead of breaking apart existing multi-s...
{{< figure class="center" src="/img/redhat-8-logo.png" alt="Red Hat logo">}} {{< figure class="center" src="/img/podman.png" alt="Podman logo">}} Understanding Containers For a data center to operate efficiently, its machines and running components o...
{{< figure class="center" src="/img/redhat-8-logo.png" alt="Red Hat logo">}} Understanding Local Time When a Linux machine boots, the hardware clock, also referred to as the real-time clock, is read. This clock resides in the computer hardware, it's ...