🚀 Want to learn DevOps --> for free? Udacity offers high-quality courses at no cost, and we’ve organized them by category to make your upskilling journey easier. ✅ DevOps ✅ Cloud Computing ✅ Programming ✅ Data Science ✅ AI & Machine Learning These courses are

One of the most overlooked concepts in K8s: Graceful Pod Shutdown If you don’t handle it right, your app may: - Drop user requests - Lose data - Stop mid-process Let’s break it down 👇 1/ When a pod is about to shut down, Kubernetes sends a SIGTERM to your container. If your

This HPA config change can make a huge difference in scaling. 𝗛𝗣𝗔 𝗧𝗼𝗹𝗲𝗿𝗮𝗻𝗰𝗲 𝗟𝗲𝘃𝗲𝗹𝘀: newsletter.devopscube.com/p/kubernetes-h… In Kubernetes, HPA waits for at least 10% change in CPU/memory usage before adding or removing pods. You cant control how sensitive it was to increase

This 𝘁𝗶𝗻𝘆 𝗮𝘂𝘁𝗼𝗴𝗲𝗻𝗲𝗿𝗮𝘁𝗲𝗱 𝗹𝗮𝗯𝗲𝗹 is the backbone of every Kubernetes Deployment. 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗘𝘅𝗽𝗹𝗮𝗻𝗮𝘁𝗶𝗼𝗻: techiescamp.com/courses/certif… Here's something most folks overlook 👇 What happens if another pod has the same label as your Deployment pods?

DevOps Engineers: Don't ignore Kubernetes security! Here are 7 must-know K8s security concepts. We did our best to explain these with illustrations and practical examples in our newsletter. Here you go! - 𝗦𝗲𝗰𝗰𝗼𝗺𝗽 𝗶𝗻 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀: a security layer in the Linux

This powerful Kubernetes security feature is rarely used. It is primarily used in environments with strict compliance needs like government or finance. It is AppArmor profiles. AppArmor is a powerful Linux feature for mandatory access control (MAC). MAC is a security model

You have probably never used this useful Configmap option👇 In Kubernetes, When you reference a ConfigMap in your Pod spec, it must exist before the Pod starts. You can't deploy your application if the ConfigMap is missing. For example, If your Pod references

Kubernetes doesnt handle monitoring out of the box. When you setup a Kubernetes cluster, The Metrics Server is one of the important add-on components that you deploy. - It collects real-time CPU and memory usage metrics from all nodes and pods in the cluster - Provides these

Amazon s3 Vector Bucket Its not for regular object storage. Here is why 👇 In modern AI systems, especially RAG systems, models need to find relevant information quickly. In this, Vector Databases play a key role. A vector database is a tool used to store and search data

⏳ A few days left to save big on Kubernetes certs. Use code AUG25CT at kube.promo/devops 💡 Save 30% on individual certs 💡 Save 40%+ with bundles (CKA, CKAD, CKS) Don’t wait. Get certified & level up your DevOps game. #Kubernetes #CKA #CKAD #CKS

Think you are ready for Kubernetes? Not if you skip the networking basics 👇 (Save this if you're just starting ) - CIDR Notation - Public vs Private IPs - IPv4 vs IPv6 - OSI Layers (L2, L3, L4, L7) - SSL/TLS (incl. mutual TLS) - DNS - Proxy - IPVS, IPTables & NFtables -

Most DevOps engineers dont know this. 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗕𝗹𝗼𝗴: devopscube.com/setup-azure-op… Microsoft Azure is currently the only cloud provider that offers OpenAI’s models as a fully managed, hosted native service through Azure OpenAI. This means, You get direct,

A2A, or Agent-to-Agent Protocol. So, what exactly is A2A? AI agents are built using all kinds of frameworks, vendors, and architectures. Because of this, getting them to talk to each could be an issue. To simplify that, Google introduced A2A, a common standard that lets

K8s Secret: Data vs. StringData When you create a k8s secret, You can specify secret data in two different fields: - Data - StringData What is the difference? If you specify the Data field, the secret values must be base64-encoded (pre-encoded). However, if you want to use

Whats inside a distroless container image? Here is whats typically inside, - No shell (/bin/sh, /bin/bash) - cant exec into container - No package manager (apt, yum, etc.) - No debugging tools (ps, ls, cat, etc.) - Minimal libc and essential libraries only - CA certificates for

K8s Cert Aspirants! Only few more hours left 🚀 Use code AUG25CT at kube.promo/devops Use the same code with certification bundles to save more than 40% Don’t miss out! Repost and share it with the DevOps community too! #kubernetes #cka #ckad #cks

As DevOps engineers, You should know how to set up an email service and integrate SMTP server details with your tools. 𝗗𝗲𝘁𝗮𝗶𝗹𝗱 𝗕𝗹𝗼𝗴: devopscube.com/setup-aws-ses/ Here is why - It is the primary channel for critical system alerts - Deployment pipelines rely heavily on

Dont miss points 1, 7 and 9. If you like the way we explain concepts and are looking for an organized Kubernetes learning path while preparing for the CKA exam, You can check out our CKA course with 80+ practice questions. We have used many illustrations to make the concepts

Kubernetes services doestnt load balace. Here is why 👇 By default, the kube-proxy component in Kubernetes uses iptables for routing requests. (Supports IPVS as well) We curious about how it manages load balancing behind the scenes, and we discovered something interesting: a