Container networking basics — Containerization has revolutionized software deployment. While the idea of isolating applications in their environment isn’t new, the way containers achieve this is particularly efficient. One of the essential aspects of containerization is networking. In a K8s cluster, understanding the basics of container networking is crucial for effective orchestration. Why is Container Networking Important?

If you’re doing object-oriented programming (OOP) inPython, you’ll come across the concept of metaclasses. And as a DevOps Engineer, knowing how classes (and metaclasses) work in Python can enhance the structure and adaptability of your scripts. Python Classes To truly grasp the concept of metaclasses, one must first delve deeper into Python’s…

What is a K8s Deployment? A K8s Deployment is a high-level abstraction that represents a desired state for deploying and updating instances of applications in a K8s cluster. It is designed to provide declarative updates for Pods and ReplicaSets. With Deployments, users can describe the desired state, and the Deployment controller will change the actual…

Mastering the use of prompts is essential for manipulating Stable Diffusion to craft our desired images. Within the open-source community, prompts have been whimsically referred to as “spells” or “magic” because of their enigmatic influence on AI artistry. Yet, the concept of prompts is not as arcane as it might…

K8s Troubleshooting handbook — Note, full K8s troubleshooting mind map is available at: “K8s Troubleshooting MindMap” The “OutOfPods” error message in K8s might be seen when describing a pod that failed to be scheduled. Here’s an example of what that might look like: $ kubectl describe pod my-pod-12345 Name…

Note, full “K8s Interview Questions” mind map is available at: “K8s Interview Questions Mind Map” How Does K8s Pod Control CPU Resource Through the use of CPU resource requests and limits. When defining a Pod, you can specify a CPU resource request for each container, indicating the minimum amount of CPU required for proper functioning. For example: …

Kyverno, a K8s-native policy management tool/engine — Note: Full mindmap is available at “K8s Tools Mindmap” Kyverno Kyverno (“govern” in Greek) is a K8s-native policy management tool/engine that simplifies the process of validating, mutating, and generating configurations using policies. Kyverno is designed to work as a K8s admission controller, allowing you to enforce custom policies on K8s resources…

What is a Large AI model? Over the previous year, terms like ‘large models’, ‘AI models’, ‘generative AI’, ‘AIGC’, and ‘generative AI large models’ have frequently been mentioned. It seems as though machines have suddenly been granted intelligence as if by magic. Now, they’ve mastered arts like poetry and painting, leading some to speculate that they…

DevOps in K8s bootcamp series — Types of Accounts in K8s In K8s, there are two types of accounts: “User account” and “Service account”. User Accounts: These represent individual users accessing the K8s cluster. User accounts are typically managed by an external authentication system, such as OpenID Connect or OAuth2. K8s does not inherently provide user account management functionality. …