Latest Blogs
Tutorials, guides, and insights on DevOps, SRE, and Cloud technologies.
CI/CD on AWS — CodePipeline, CodeBuild, and CodeDeploy
Build a complete CI/CD pipeline on AWS using CodePipeline, CodeBuild, and CodeDeploy. Learn buildspec.yml configuration, deployment strategies (in-place, blue/green), CodeArtifact for packages, cross-account deployments, and comparison with GitHub Actions and Jenkins.
Azure Automation — Runbooks, State Configuration, and Update Management
Automate operational tasks with Azure Automation — write PowerShell and Python runbooks, trigger them with webhooks and schedules, use hybrid worker groups for on-premises, enforce desired state with DSC, and manage OS patching with Update Management.
Software Supply Chain Security — SBOM, Sigstore, and SLSA
Learn how to secure your software supply chain with SBOM generation, container image signing using Sigstore/Cosign, and the SLSA framework for build integrity.
Podman vs Docker vs containerd — Container Runtime Comparison
Compare Docker, Podman, containerd, and CRI-O — understand the container runtime landscape, daemon vs daemonless architectures, Kubernetes CRI compatibility, CLI migration paths, and how to choose the right runtime for your workload.
Kubernetes Cost Optimization — Right-Size, Spot Instances, and Karpenter
Reduce your Kubernetes cloud bill by 40-70% with practical cost optimization techniques. Covers right-sizing pods with VPA, cluster right-sizing, spot and preemptible instances, Karpenter for just-in-time provisioning, Cluster Autoscaler tuning, pod priority and preemption, resource quotas, and cost monitoring with Kubecost and OpenCost.
SELinux vs AppArmor — Mandatory Access Control Explained
Understand SELinux and AppArmor mandatory access control systems — modes, policies, troubleshooting, and when to use each. Stop disabling SELinux and learn to work with it instead.
Stay Updated
Get the latest DevOps tutorials, cloud best practices, and industry insights delivered to your inbox.