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Kubernetes keeps evolving, and one feature that is quietly powerful is mounting an OCI image as a volume👇 𝗥𝗲𝗮𝗱 𝗶𝘁 𝗵𝗲𝗿𝗲: devopscube.com/oci-image-volu… Instead of packaging large data or models directly inside a container image, you can mount OCI images as read-only volumes…
Want to try AWS services for free on your own computer? In AWS, we need to pay for every service we use. You will get some free limits for services for a limited amount of time, and that is only for new accounts. But, there is a free tool called LocalStack that allows us to…
AWS announced a new upgrade on the EBS gp3 volumes. What changed👇 - Storage size increased from 16 TiB to 64 TiB - Maximum IOPS increased from 16000 to 80000 - Maximum speed (throughput) increases from 1000 MiB/s to 2000 MiB/s But, why are these upgrades necessary? General…
50% OFF All k8s Certifications (2 Days Only!) Use code OCTPRIME25CT at kube.promo/devops You can save 60% or more with bundles. Use code OCTPRIME25CT with the following bundles. 🔹 CKA + CKAD → kube.promo/cka-ckad 🔹 CKA + CKS → kube.promo/bundle 🔹 KCNA +…
Body based Routing👇 𝗥𝗲𝗮𝗱 𝗶𝘁 𝗵𝗲𝗿𝗲: newsletter.devopscube.com/p/body-based-r… While exploring Kubernetes Gateway API inference extension, We came across the concept of body-based routing. It is the concept where the proxy component looks inside the request body. Meaning it looks at…
Your app deployed using Argo CD has a new Docker image version. But your app is still using the old tag. Now what? 👇 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗕𝗹𝗼𝗴: devopscube.com/setup-argocd-i… Manual updates in Git break the whole point of GitOps. That’s where ArgoCD Image Updater helps you. It…
If you are tired of writing long AWS CLI commands, Amazon Q Developer CLI can save you a lot of time👇 𝗖𝗵𝗲𝗰𝗸 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗯𝗹𝗼𝗴: devopscube.com/set-up-amazon-… It is an AI-powered CLI tool that turns plain English into working AWS commands. We have published a practical…
This teaches you more DevOps concepts than you imagine. And we are only talking about a simple Kind cluster running on your laptop. 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗚𝘂𝗶𝗱𝗲: devopscube.com/kubernetes-kin… For example, - With MetalLB, you can see how Layer 2 (ARP/NDP) load balancing works. -…
12-Factor App was a must-know for DevOps. 𝗥𝗲𝗮𝗱 𝗶𝘁 𝗛𝗲𝗿𝗲: newsletter.devopscube.com/p/12-factor-to… While the original twelve factors still remain relevant, The following three additional factors have been added to the modern cloud-native applications - Telemetry - Authentication &…
Most people trying to break into DevOps do this first 👇 They jump straight into tools. CI/CD. Terraform. Kubernetes. Docker. And they skip the basics. Here is why that is a problem: Without solid networking knowledge, you are just clicking buttons without knowing what is…
Kubernetes Cluster Best Practices 🚀 This blog covers 10 high level best practices related to cluster design and setup. 𝗕𝗹𝗼𝗴: devopscube.com/key-considerat… We would also like to know your thoughts and experiences. Please share it in the comment below. PS: ♻️ Repost if you…
When you work on AWS EKS projects, In most cases, You need to expose applications using an internal or Public DNS service. 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗕𝗹𝗼𝗴: devopscube.com/setup-external… In many organizations, this is usually done manually by the DevOps or network team. But you can…
How actual Pod to Pod communication occurs in Kubernetes across nodes? Let’s take a scenario. - Pod A running on Node 1, with IP of 10.244.1.10 - Pod B running on Node 2, with IP of 10.255.2.20 Now, Pod A wants to send a message to Pod B. Here, what happens is When the Pod…
Using AWS S3 as the Terraform backend? 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗚𝘂𝗶𝗱𝗲: devopscube.com/terraform-stat… Do not ignore these best practices👇 - Enable versioning to retain all previous state files. - Enable server-side encryption to protect the state file. - Enabling logging can help to…
All Kubernetes cert bundles are on 50% Off Today 🚀 Use code SEPT25BUN50CT with the following bundles. 🔹 CKA + CKAD → kube.promo/cka-ckad 🔹 CKA + CKS → kube.promo/bundle 🔹 KCNA + KCSA + CKA + CKAD + CKS → kube.promo/kubestronaut 🔹 CKA + CKAD + CKS →…
Kubernetes StatefulSets + Operators in Action (with MySQL Operator) 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗕𝗹𝗼𝗴: devopscube.com/install-mysql-… Most people read about Operators. But, Very few actually try them in real workloads. We published a hands-on guide that shows you step by step: - What the…
Lesser known Linux Commands 🚀 If you are learning linux, Checkout our shell scripting for DevOps blog 👇 𝗟𝗲𝗮𝗿𝗻 𝗦𝗵𝗲𝗹𝗹 𝗦𝗰𝗿𝗶𝗽𝘁𝗶𝗻𝗴: devopscube.com/linux-shell-sc… 13,000+ professionals read our DevOps newsletter → 𝗝𝗼𝗶𝗻 𝗛𝗲𝗿𝗲 (𝟭𝟬𝟬% 𝗳𝗿𝗲𝗲):…
Last Day to save 40% on CKA, CKAD, CKS certs! Use code SEPT25CT at kube.promo/devops Or save even more with bundles (up to 55% OFF): 🔹 KCNA + KCSA + CKA + CKAD + CKS → kube.promo/kubestronaut 🔹 CKA + CKAD + CKS → kube.promo/k8s-bundle 🔹 CKA + CKS →…
I have mastered Kubernetes, Terraform, Helm… How do you debug when a pod can’t reach another pod? Check Grafana? ----- We share deep dives and insights on Kubernetes, DevOps, Cloud, MLOps and GitOps Join 13,000+ professionals who read our DevOps newsletter. → 𝗝𝗼𝗶𝗻…
Why does a Kubernetes namespace sometimes get stuck while deleting? 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗚𝘂𝗶𝗱𝗲: newsletter.devopscube.com/p/kubernetes-n… When you delete a namespace, Kubernetes doesn’t delete it instantly. Instead, - It removes resources (pods, services, deployments, etc.) - It runs…
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