# DevOps Start

> Practical DevOps, Cloud, and Platform Engineering content for senior engineers. Covers Kubernetes, Terraform, Docker, CI/CD, AWS, Azure, GCP, SRE, and observability.

DevOps Start publishes in-depth tutorials, comparisons, troubleshooting guides, tips, and interview Q&A written for engineers who run production infrastructure. All content is canonical at https://devopsstart.com. A full-content dump is available at /llms-full.txt.

## Blog
- [Manage Kubeflow AI Workloads with Headlamp Plugin](https://devopsstart.com/blog/manage-kubeflow-ai-workloads-with-headlamp-plugin/): Stop dropping to kubectl when a Kubeflow notebook or Katib trial breaks. The Headlamp Kubeflow plugin surfaces AI/ML custom resources as native cluster views.
- [Manage OTel Collectors at Scale with OpAMP](https://devopsstart.com/blog/manage-otel-collectors-at-scale-with-opamp/): Run a fleet of OpenTelemetry Collectors from one control plane. How OpAMP handles remote config, health reporting, and safe rollouts across hundreds of agents.
- [k8s-aibom: Automated AI BOM for Kubernetes Workloads](https://devopsstart.com/blog/k8s-aibom-automated-ai-bom-for-kubernetes-workloads/): Google Cloud open-sourced k8s-aibom, a Kubernetes controller that builds CycloneDX ML-BOMs at runtime and surfaces the shadow AI already running in your clusters.
- [Deploying Autonomous AI Agents on an M2 MacBook](https://devopsstart.com/blog/deploying-autonomous-ai-agents-on-an-m2-macbook/): A hands-on guide to AI agent M2 deployment: run a local LLM on 8GB Apple Silicon, wire up a CrewAI agent, and keep memory under control.
- [Azure DevOps to GitHub Migration: An AI-Driven Playbook](https://devopsstart.com/blog/azure-devops-to-github-migration-ai-driven-playbook/): Move repos from Azure DevOps to GitHub with the gh ado2gh extension, then wire up Copilot's coding agent. A practical migration playbook for 2026.
- [Governing AI Agents in CI/CD with OPA and MCP](https://devopsstart.com/blog/governing-ai-agents-in-cicd-with-opa-and-mcp/): AI agents now open PRs and run deploys inside your pipeline. Here is how to govern their tool access and gate their actions with OPA and MCP.
- [AI Agent Risks: Lessons from Snyk's 10,000 Environment Audit](https://devopsstart.com/blog/ai-agent-risks-lessons-from-snyks-10000-environment-audit/): Discover the top AI agent risks revealed by Snyk's audit of 10,000 environments. Learn key security lessons to protect your deployments from automated threats.
- [Kubernetes FinOps: Real-time Cost Observability & Optimization](https://devopsstart.com/blog/kubernetes-finops-real-time-cost-observability-optimization/): Gain real-time visibility into Kubernetes cloud costs with FinOps. Learn to allocate, optimize, and manage spending across dynamic environments using OpenCost and...
- [Evaluating AI-Generated Terraform for Secure Infrastructure](https://devopsstart.com/blog/evaluating-ai-generated-terraform-for-secure-infrastructure/): Master the safe evaluation of LLM-generated Terraform. This guide covers validation, security, and best practices to integrate AI into your infrastructure workflo...
- [MCP Server Security: Prevent Prompt Injection & Secret Leaks](https://devopsstart.com/blog/mcp-server-security-prevent-prompt-injection-secret-leaks/): Learn to secure AI agent MCP servers from prompt injection and secret leaks. This guide covers least privilege, containerization, and network policies for DevOps.
- [Automate SSH 2FA Hardening with Google Authenticator](https://devopsstart.com/blog/automate-ssh-2fa-hardening-with-google-authenticator/): Learn to automate SSH Two-Factor Authentication (2FA) hardening using Google Authenticator. This guide provides production-ready steps, Ansible examples, and trou...
- [Choosing an LLM Serving Engine: vLLM vs TGI](https://devopsstart.com/blog/choosing-an-llm-serving-engine-vllm-vs-tgi/): Choosing an LLM serving engine? This guide compares vLLM vs TGI. Learn when vLLM's raw performance is worth the operational cost for your specific use case.
- [Mastering DevOps Fundamentals: A Practical Guide](https://devopsstart.com/blog/mastering-devops-fundamentals-a-practical-guide/): Explore the core principles and practices of DevOps to streamline your software development lifecycle and accelerate delivery.
- [RAG Security: Prevent Data Leaks with Access Control](https://devopsstart.com/blog/rag-security-prevent-data-leaks-with-access-control/): Secure your RAG pipeline against data leakage, a top OWASP LLM risk. Learn why prompt hardening isn't enough and how to implement user access controls.
- [Supply Chain Security Proxy: Move Beyond Vulnerability Scanning](https://devopsstart.com/blog/supply-chain-security-proxy-move-beyond-vulnerability-scanni/): Stop reacting to CVEs. Learn how to implement a supply chain security proxy to prevent dependency confusion, enforce provenance, and secure your pipeline.
- [Local LLM for Log Analysis: Privacy-First Debugging with Ollama](https://devopsstart.com/blog/local-llm-for-log-analysis-privacy-first-debugging-with-olla/): Stop sending sensitive logs to the cloud. Learn how to use Ollama and Llama 3 for secure, privacy-first log analysis and root cause diagnosis.
- [Secure Terraform PRs with an Architecture Firewall](https://devopsstart.com/blog/secure-terraform-prs-with-an-architecture-firewall/): Stop infrastructure drift and security leaks. Learn how to implement an automated architecture firewall using Policy as Code (OPA) for Terraform PRs.
- [GitHub Actions Security: How to Stop Secret Leaks in CI/CD](https://devopsstart.com/blog/github-actions-security-how-to-stop-secret-leaks-in-cicd/): Protect your pipelines from credential theft. Learn to implement OIDC, pin actions to commit SHAs, and prevent 'pwn-request' attacks in GitHub Actions.
- [Build an Internal Developer Platform with Backstage and](https://devopsstart.com/blog/build-an-internal-developer-platform-with-backstage-and/): Learn how to combine Backstage and Crossplane to create a self-service IDP that reduces developer cognitive load and eliminates ticket-ops bottlenecks.
- [Cursor vs Copilot vs Cody: Best AI Editor for DevOps](https://devopsstart.com/blog/cursor-vs-copilot-vs-cody-best-ai-editor-for-devops/): Compare Cursor, GitHub Copilot, and Sourcegraph Cody for DevOps. Learn which AI tool best handles IaC, Kubernetes manifests, and complex CI/CD pipelines.
- [GitOps Testing Strategies: Validate Deployments with ArgoCD](https://devopsstart.com/blog/gitops-testing-strategies-validate-deployments-with-argocd/): Stop 'blind syncs' in GitOps. Learn to use shift-left validation, ArgoCD PreSync hooks, and AnalysisTemplates to automate deployment health checks.
- [Kubernetes Test Automation: Implementing a Shift-Left Strategy](https://devopsstart.com/blog/kubernetes-test-automation-implementing-a-shift-left-strateg/): Eliminate staging bottlenecks by using ephemeral environments and shift-left testing in Kubernetes. Learn to automate PR-based namespaces and GitOps workflows.
- [Terraform Testing Best Practices: Beyond Plan and Pray](https://devopsstart.com/blog/terraform-testing-best-practices-beyond-plan-and-pray/): Stop relying on manual verification. Learn to implement a rigorous IaC testing pyramid using the native terraform test framework and Terratest.
- [Testing in Production: Guide to Progressive Delivery](https://devopsstart.com/blog/testing-in-production-guide-to-progressive-delivery/): Reduce deployment risk using canary releases, feature flags, and traffic shadowing. Learn how to decouple deployment from release for safer delivery.
- [Argo CD vs Flux: A Guide for Multi-Cluster GitOps](https://devopsstart.com/blog/argo-cd-vs-flux-a-guide-for-multi-cluster-gitops/): Choosing between Argo CD vs Flux for multi-cluster GitOps? Our guide compares architecture, security, and usability to help you pick the right tool for your platf...
- [Fix Kubernetes CrashLoopBackOff: Root Causes & Diagnosis](https://devopsstart.com/blog/fix-kubernetes-crashloopbackoff-root-causes-diagnosis/): Learn how to diagnose and fix Kubernetes CrashLoopBackOff in production. Step-by-step guide to exit codes, log analysis, and prevention strategies.
- [Terraform State Locking: A Guide for Growing Teams](https://devopsstart.com/blog/terraform-state-locking-a-guide-for-growing-teams/): Prevent dangerous race conditions and state file corruption. This guide explains Terraform state locking and how to implement it with AWS, Azure, or Terraform Cloud.
- [Testing Infrastructure as Code: The Terraform Testing Pyramid](https://devopsstart.com/blog/testing-infrastructure-as-code-the-terraform-testing-pyramid/): Stop hope-based deployments. Learn to implement a professional IaC testing pyramid using TFLint, terraform test, Terratest, and OPA for secure infrastructure.
- [Kubernetes v1.36: Features, Deprecations & Upgrade Guide](https://devopsstart.com/blog/kubernetes-v136-features-deprecations-upgrade-guide/): Explore Kubernetes v1.36's GA MutatingAdmissionPolicy, understand critical gitRepo volume removal, and get a step-by-step upgrade guide.
- [Kubernetes HPA Deep Dive: Autoscaling Explained](https://devopsstart.com/blog/kubernetes-hpa-deep-dive-autoscaling-explained/): Explore the internal workings of Kubernetes Horizontal Pod Autoscaler (HPA), its algorithms, metrics collection, and best practices for optimization.
- [Docker Multi-Stage Builds: Smaller, Secure Production Images](https://devopsstart.com/blog/docker-multi-stage-builds-smaller-secure-production-images/): Master Docker multi-stage builds to dramatically reduce image sizes, enhance security, and accelerate deployments for your production applications. Learn best pra...
- [Kubernetes for Beginners: Deploy Your First Application](https://devopsstart.com/blog/kubernetes-for-beginners-deploy-your-first-application/): New to container orchestration? Get started with Kubernetes today! Learn core concepts, set up a local cluster with Minikube, and deploy your first application. M...

## Tutorials
- [Azure SDK for Rust Migration Guide: REST to GA Crates](https://devopsstart.com/tutorials/azure-sdk-for-rust-migration-guide/): The Azure SDK for Rust hit GA with stable 1.0 crates. This guide shows how to migrate from raw REST calls to the azure_identity, Key Vault, and Storage clients.
- [Claude Code Security Skills: A DevSecOps Playbook](https://devopsstart.com/tutorials/claude-code-security-skills-a-devsecops-playbook/): Build Claude Code security skills that scan for secrets, run SAST, and test prompt injection, then enforce them with hooks and subagents in CI.
- [Claude Code Security Skills: A DevSecOps Tutorial](https://devopsstart.com/tutorials/claude-code-security-skills-a-devsecops-tutorial/): Build Claude Code security skills that scan for secrets, run SAST, and catch prompt injection, then enforce them with hooks in your DevSecOps pipeline.
- [How to Set Up LLM Observability with OpenTelemetry](https://devopsstart.com/tutorials/how-to-set-up-llm-observability-with-opentelemetry/): Use OpenTelemetry to add LLM observability to your Python apps. Follow our guide to trace requests, track API costs, and build monitoring dashboards in Grafana.
- [How to Build a Developer Control Plane with Backstage](https://devopsstart.com/tutorials/how-to-build-a-developer-control-plane-with-backstage/): Use this Backstage tutorial to build your own developer control plane. Learn to set up a software catalog, integrate CI/CD, and create service templates.
- [How to Build AI Agents for Kubernetes Deployments](https://devopsstart.com/tutorials/how-to-build-ai-agents-for-kubernetes-deployments/): Learn to build autonomous Kubernetes agents using MCP, Kagent, and K8sGPT to automate diagnostics, resource optimization, and GitOps workflows.
- [How to Automate Terraform Reviews with GitHub Actions](https://devopsstart.com/tutorials/how-to-automate-terraform-reviews-with-github-actions/): Stop review fatigue. Learn to integrate CodeRabbit and GitHub Actions to automate AI-powered Terraform reviews and catch IaC security risks early.
- [How to Configure Advanced Argo CD Sync Policies for GitOps](https://devopsstart.com/tutorials/how-to-configure-advanced-argo-cd-sync-policies-for-gitops/): Master Argo CD advanced sync policies: implement automated pruning, self-healing, sync waves, and professional rollback strategies for Kubernetes.
- [How to Set Up Argo CD GitOps for Kubernetes Automation](https://devopsstart.com/tutorials/how-to-set-up-argo-cd-gitops-for-kubernetes-automation/): Learn how to install Argo CD, eliminate configuration drift, and scale deployments across clusters using ApplicationSets in this step-by-step GitOps tutorial.
- [LLM Observability on Kubernetes: A Practical Guide](https://devopsstart.com/tutorials/llm-observability-on-kubernetes-a-practical-guide/): Master LLM observability on Kubernetes with this practical guide. Learn to monitor AI agent performance, cost, and behavior using OpenTelemetry, Prometheus, Grafa...
- [Deploy an EKS Cluster with Terraform](https://devopsstart.com/tutorials/deploy-eks-cluster-with-terraform/): Step-by-step tutorial to provision a production-ready EKS cluster on AWS using Terraform modules with networking and node groups.

## Comparisons
- [OpenTelemetry Collector vs Grafana Alloy: 2026 Guide](https://devopsstart.com/comparisons/opentelemetry-collector-vs-grafana-alloy-2026-guide/): A hands-on comparison of the OpenTelemetry Collector and Grafana Alloy in 2026, covering config syntax, pipeline architecture, and when to pick each.
- [Datadog vs AWS Ops Agents: AI Observability Showdown](https://devopsstart.com/comparisons/datadog-vs-aws-ops-agents-ai-observability-showdown/): Compare Datadog and AWS Ops Agents for AI-driven observability. See side-by-side features, pricing trade-offs, and a migration checklist to choose the best fit...
- [OpenTofu vs Terraform: Enterprise Migration Math 2026](https://devopsstart.com/comparisons/opentofu-vs-terraform-enterprise-migration-math-2026/): Compare OpenTofu and Terraform with a data-driven framework covering license impact, migration costs, feature gaps, and a scoring system to decide whether to...
- [Top LLMOps Tools: Deploying & Managing LLMs in Production](https://devopsstart.com/comparisons/top-llmops-tools-deploying-managing-llms-in-production/): Compare vLLM, TGI, Ollama, BentoML, and Ray Serve for production LLM serving. Real Helm values, GPU overhead, autoscaling, and a decision matrix.
- [Cilium vs Calico: CNI Comparison for Platform Teams](https://devopsstart.com/comparisons/kubernetes-cni-comparison-cilium-vs-calico-for-platform-team/): Cilium vs Calico CNI comparison for Kubernetes platform teams: eBPF performance, L7-aware security, and Hubble observability guide for 2026.
- [NGINX vs Traefik: Kubernetes Ingress Comparison Guide](https://devopsstart.com/comparisons/nginx-vs-traefik-kubernetes-ingress-comparison-guide/): Compare NGINX and Traefik ingress controllers. Learn the trade-offs between raw performance and cloud-native agility to choose the best fit for your cluster.
- [Terraform vs Pulumi: IaC Tools Compared](https://devopsstart.com/comparisons/terraform-vs-pulumi/): A detailed comparison of Terraform and Pulumi for infrastructure as code, covering language support, state management, and ecosystem.

## Troubleshooting
- [Fix GitLab CI "dial tcp: lookup docker" no such host error](https://devopsstart.com/troubleshooting/fix-gitlab-ci-dial-tcp-lookup-docker-no-such-host/): The GitLab CI error "dial tcp lookup docker no such host" means the docker:dind service alias never resolved. Here is the fast fix and the real causes.
- [GitLab CI "Cannot connect to unix:///var/run/docker.sock"](https://devopsstart.com/troubleshooting/gitlab-ci-cannot-connect-unix-var-run-docker-sock/): The GitLab CI error Cannot connect to the Docker daemon at unix:///var/run/docker.sock means DOCKER_HOST is unset. Here is the fast fix.
- [Fix Flux SOPS MAC mismatch in kustomize-controller](https://devopsstart.com/troubleshooting/fix-flux-sops-mac-mismatch-in-kustomize-controller/): A Flux SOPS MAC mismatch means an encrypted file was changed outside sops. Diagnose it and re-encrypt cleanly so kustomize-controller can decrypt again.
- [Fix vLLM CUDA OutOfMemoryError in Kubernetes](https://devopsstart.com/troubleshooting/fix-vllm-cuda-outofmemoryerror-in-kubernetes/): vLLM crashing with torch.cuda.OutOfMemoryError on Kubernetes? Tune gpu_memory_utilization, tensor_parallel_size, max_num_seqs, and max_model_len to fix it fast.
- [Fix "Resource not accessible by integration" in GitHub Actions](https://devopsstart.com/troubleshooting/fix-resource-not-accessible-by-integration-github-actions/): Your GitHub Actions job fails with 'Resource not accessible by integration' because GITHUB_TOKEN is read-only by default. Grant the exact scope it needs.
- [Fix OpenTofu Ephemeral Value in Non-Ephemeral Context](https://devopsstart.com/troubleshooting/fix-opentofu-ephemeral-value-in-non-ephemeral-context/): OpenTofu throws "Ephemeral value used in non-ephemeral context" when a temporary value leaks toward state. Here is what triggers it and the exact fix.
- [Mitigate CVE-2026-20245: Cisco SD-WAN Manager Exploit Guide](https://devopsstart.com/troubleshooting/mitigate-cve-2026-20245-cisco-sd-wan-manager-exploit-guide/): Detect, block, and patch CVE-2026-20245 critical RCE in Cisco SD-WAN Manager with firewall rules, iptables workaround, and official upgrade steps. Verify fix.
- [Fix sts:AssumeRoleWithWebIdentity Error in EKS](https://devopsstart.com/troubleshooting/fix-stsassumerolewithwebidentity-error-in-eks/): Learn how to fix the 'Not authorized to perform sts:AssumeRoleWithWebIdentity' error in EKS by aligning IAM role trust policies with OIDC provider settings.
- [Fix ArgoCD OutOfSync With No Diff (Ghost Status)](https://devopsstart.com/troubleshooting/fix-argocd-outofsync-with-no-diff-ghost-status/): Diagnose and fix ArgoCD OutOfSync errors with empty diffs caused by finalizers, aggregated RBAC, mutating webhooks, and metadata drift using CLI commands and...
- [Fix OpenTofu Registry Timeout Errors](https://devopsstart.com/troubleshooting/fix-opentofu-registry-timeout-errors/): Resolve 'Client.Timeout exceeded' errors in OpenTofu by increasing the HTTP timeout to 120s, enabling plugin cache, or using a registry mirror. Quick fixes for...
- [Fix GitLab CI Docker daemon connection error in 3 steps](https://devopsstart.com/troubleshooting/fix-gitlab-ci-docker-daemon-connection-error-in-3-steps/): Fix the 'Cannot connect to the Docker daemon at' error in GitLab CI. Learn to add docker:dind service, set DOCKER_HOST, and enable privileged mode for reliable...
- [Fix Flux SOPS illegal base64 data at input byte 0](https://devopsstart.com/troubleshooting/fix-flux-sops-illegal-base64-data-at-input-byte-0/): Diagnose and fix the Flux SOPS 'illegal base64 data at input byte 0' error caused by incorrect base64 encoding. Step-by-step solutions for encrypted secrets and a...
- [Kubernetes Zero Trust: Lesson from a Missing Namespace Tag](https://devopsstart.com/troubleshooting/kubernetes-zero-trust-lesson-from-a-missing-namespace-tag/): Learn why a missing namespace label breaks Kubernetes zero trust policies. This guide shows how to diagnose, fix, and prevent silent network failures with Cilium,...
- [Troubleshoot Database Latency with Grafana Assistant](https://devopsstart.com/troubleshooting/troubleshoot-database-latency-with-grafana-assistant/): Practical guide to troubleshooting database latency with Grafana. Includes production-ready steps, dashboard setup, metric correlation, and proactive alerting for...
- [How to Mitigate Copy Fail (CVE-2026-31431) with Seccomp](https://devopsstart.com/troubleshooting/how-to-mitigate-copy-fail-cve-2026-31431-with-seccomp/): Mitigate the Copy Fail (CVE-2026-31431) vulnerability in Linux kernels. Learn how to implement seccomp profiles for Kubernetes to prevent local privilege escalation.
- [How to Fix CVE-2026-43284: Preventing Dirty Frag Pod Escapes](https://devopsstart.com/troubleshooting/how-to-fix-cve-2026-43284-preventing-dirty-frag-pod-escapes/): Learn to fix CVE-2026-43284, the 'Dirty Frag Pod Escape' vulnerability in EKS. This guide provides practical steps, security best practices, and prevention strate...
- [How to Detect and Prevent Malicious AI Agent Skills](https://devopsstart.com/troubleshooting/how-to-detect-and-prevent-malicious-ai-agent-skills/): Secure your AI agents by detecting and preventing malicious MCP skills. Learn to implement sandboxing, egress filtering, and zero-trust architectures.
- [Kubernetes Troubleshooting: Why Did My Pod Die?](https://devopsstart.com/troubleshooting/kubernetes-troubleshooting-why-did-my-pod-die/): Learn how to diagnose and fix Kubernetes pod failures. A practical guide to solving CrashLoopBackOff, OOMKilled, and Pending states in production.
- [How to Debug OOMKilled Pods in Kubernetes: A Step-by-Step Guide](https://devopsstart.com/troubleshooting/how-to-debug-oomkilled-pods-in-kubernetes-a-step-by-step-gui/): Stop Kubernetes CrashLoopBackOffs. Learn how to diagnose OOMKilled pods, analyze memory working sets, and perform heap profiling to fix memory leaks.
- [How to Fix Kubernetes CrashLoopBackOff in Production](https://devopsstart.com/troubleshooting/how-to-fix-kubernetes-crashloopbackoff-in-production/): Stop Kubernetes CrashLoopBackOff crashes with this production triage guide. Learn to decode exit codes, analyze logs, and prevent OOMKills effectively.
- [Fix CrashLoopBackOff in Kubernetes Pods](https://devopsstart.com/troubleshooting/crashloopbackoff-kubernetes/): CrashLoopBackOff means your container starts, crashes, and Kubernetes keeps restarting it. Here is how to diagnose and fix it in under 5 minutes.

## Tips
- [Docker TUI Dashboard: Manage Containers with Lazydocker](https://devopsstart.com/tips/docker-tui-dashboard-manage-containers-with-lazydocker/): Run a Docker TUI dashboard in your terminal with lazydocker. Install it, learn the navigation keys, and stop typing docker ps, logs, and stats by hand.
- [Jaeger 2.18 ClickHouse Backend Setup: 8.6x Compression](https://devopsstart.com/tips/jaeger-2-18-clickhouse-backend-setup/): Set up Jaeger 2.18's new native ClickHouse tracing backend in minutes: the config file, the run command, and the storage savings to expect.
- [Validate Kubernetes Manifests with Flux Schema](https://devopsstart.com/tips/validate-kubernetes-manifests-with-flux-schema/): Flux 2.9 shipped Flux Schema, a CLI plugin that checks your Kubernetes manifests against JSON Schema and CEL rules before they merge. Here is how to wire it up.
- [Kubectl Cheat Sheet: 60+ Essential Commands for DevOps](https://devopsstart.com/tips/kubectl-cheat-sheet/): A comprehensive kubectl reference with 60+ commands grouped by task: pods, deployments, networking, debugging, RBAC, output formatting, and more.
- [Monitor Kubernetes Pods Live with kubectl get --watch](https://devopsstart.com/tips/monitor-kubernetes-pods-live-with-kubectl-get-watch/): Stream Kubernetes pod status updates in real-time with `kubectl get pods --watch` for immediate debugging and observability. Learn practical use cases and filteri...
- [Streamline Icinga 2 Monitoring with Conversational AI & MCP](https://devopsstart.com/tips/streamline-icinga-2-monitoring-with-conversational-ai-mcp/): Optimize Icinga 2 monitoring with `icinga2-mcp` for conversational AI. Use natural language to query status, acknowledge issues, and manage incidents efficiently....
- [LLM Prompt Caching with Git to Cut API Costs](https://devopsstart.com/tips/llm-prompt-caching-with-git-to-cut-api-costs/): Reduce LLM API costs in CI/CD with a simple prompt cache. Learn how to use a Git repository as a database-free key-value store for LLM prompts and responses.
- [How to Manage Multiple Azure Subscriptions in Terraform](https://devopsstart.com/tips/how-to-manage-multiple-azure-subscriptions-in-terraform/): Learn how to use Terraform provider aliases to deploy resources across multiple Azure subscriptions and pass providers into modules for hub-and-spoke architectures.
- [Rapid Rollback: `kubectl set image` for Urgent Fixes](https://devopsstart.com/tips/rapid-rollback-kubectl-set-image-for-urgent-fixes/): Learn how to use `kubectl set image` for rapidly rolling back to a previous container image in a Kubernetes deployment when problems arise, prioritizing speed and...
- [Essential kubectl Commands Cheat Sheet](https://devopsstart.com/tips/kubectl-essential-commands/): A quick reference for the most commonly used kubectl commands covering pods, deployments, services, and debugging.
- [Debug Kubernetes CrashLoopBackOff in 30 Seconds](https://devopsstart.com/tips/debug-crashloopbackoff/): Quick command to instantly find why your pod is crash-looping.

## Interview Q&A
- [Master SRE Interviews: Top 30 Questions & Expert Answers](https://devopsstart.com/interview/master-sre-interviews-top-30-questions-expert-answers/): Prepare for your SRE interview with 30 expert-level questions and detailed answers. Learn core SRE concepts, system design, incident management, and cloud best pr...
- [Senior SRE Interview Questions & Answers for 2026](https://devopsstart.com/interview/senior-sre-interview-questions-answers-for-2026/): Master senior SRE interviews with expert answers on cell-based architecture, SLOs, and Platform Engineering. Prepare for high-signal technical rounds.
- [Top 30 Kubernetes Interview Questions (2026)](https://devopsstart.com/interview/kubernetes-interview-questions/): Frequently asked Kubernetes interview questions covering pods, deployments, services, RBAC, and troubleshooting for mid to senior engineers.