OpenTelemetry Basics: Distributed Tracing for Linux Services (Complete Guide)
Set up OpenTelemetry for distributed tracing: instrument a service, run the Collector, and send traces to Jaeger alongside…
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Kubernetes Storage: PersistentVolumes and PersistentVolumeClaims Explained
Understand Kubernetes storage: PersistentVolumes, PersistentVolumeClaims, StorageClasses for dynamic provisioning, and what happens to data when a pod restarts.
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Helm Basics: Packaging and Deploying Kubernetes Applications (Complete Guide)
Learn Helm, the Kubernetes package manager: chart structure, values overrides, installing and upgrading releases, and rolling back a…
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Blue-Green vs Canary Deployments Explained (with Traefik)
Understand blue-green and canary deployment strategies and implement both with Traefik's weighted routing for zero-downtime, lower-risk releases.
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Self-Hosted Container Registry with Harbor (Complete Guide)
Run a private Docker registry with Harbor: install with Docker Compose, push/pull images, enable Trivy vulnerability scanning, and…
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GitOps with ArgoCD: Deploying to Kubernetes from Git (Complete Guide)
Set up ArgoCD for GitOps on Kubernetes: install it, connect a Git repo, create and sync an Application,…
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HashiCorp Vault Basics: Secrets Management on Linux (Complete Guide)
Set up HashiCorp Vault on Linux for centralized secrets management: initialize and unseal, enable a KV secrets engine,…
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Traefik Reverse Proxy with Automatic Let’s Encrypt (Complete Guide)
Set up Traefik as a reverse proxy on Linux with automatic Let's Encrypt certificates: Docker Compose config, entrypoints,…
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Centralized Logging with Loki + Promtail on Linux (Complete Setup)
Set up centralized logging on Linux with Loki and Promtail: install Loki, ship logs with Promtail, connect Grafana,…
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Podman vs Docker: Rootless Containers on Linux (Complete Guide)
Compare Podman and Docker on Linux: daemonless architecture, running rootless containers, pods, Compose compatibility, and generating systemd units.
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