Cloud & DevOps
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Docker vs Kubernetes: What's the Difference?
Docker builds and runs containers; Kubernetes orchestrates them across servers. Here is how they differ, how they work together and when you need one or both.
#kubernetes
Everything we have written about kubernetes.
Cloud & DevOps
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Containers vs Virtual Machines: Key Differences and When to Use Each
Containers share a kernel, VMs bring their own. Here is how they differ on isolation, startup speed, density and cost, and how to decide which one a workload needs.
Tech Careers
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How to Become a Site Reliability Engineer: Skills, Projects and Paths In
What site reliability engineers actually do, the coding and operations skills SRE roles expect, project ideas, certifications and the common paths into the job.
Cloud & DevOps
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What Is Helm? Kubernetes Package Management Explained
What Helm is, how charts, values and releases fit together, and a simple walk-through of installing, upgrading and rolling back an app on Kubernetes.
Blue-Green vs Canary Deployments: Which Should You Use?
Simple diagrams of blue-green and canary deployments, plus how they compare on rollback speed, infrastructure cost and risk to users.
EKS vs AKS vs GKE: Managed Kubernetes Compared
A practical comparison of Amazon EKS, Azure AKS and Google GKE: operational effort, integrations, SLAs and how each one charges.
How to Become a DevOps Engineer: Skills Roadmap and Project Ideas
A practical DevOps engineer roadmap covering Linux, scripting, CI/CD, containers, infrastructure as code and monitoring, with project ideas, certifications and how people break into the role.
How to Avoid Cloud Vendor Lock-In: Architecture and Contract Choices That Keep Options Open
Practical architecture and contract choices that reduce cloud vendor lock-in without giving up the benefits of managed services, plus a step-by-step exit plan.
Kubernetes Explained: What It Is, When You Need It and When You Don't
A plain-English guide to Kubernetes: what it does, the signs you need it, the signs you don't, and how the managed options from AWS, Azure and Google compare.
Cloud & DevOps
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What Is GitOps and How Does It Work?
GitOps makes Git the source of truth for deployments. Here is how it works, a simple workflow diagram, the 4 core principles and how to start.