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DevOps & Cloud,
verified.
Practical tutorials, comparisons and troubleshooting for Kubernetes, Terraform, Docker and CI/CD. No fluff, just verified solutions.
This week's verified picks
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Tutorial
Azure SDK for Rust Migration Guide: REST to GA Crates
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.
Intermediate azure · 45 minutes
Comparison
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.
2 tools · 7 criteria
Troubleshooting
Fix GitLab CI "dial tcp: lookup docker" no such host error
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.
Warning · GitLab CI · dial tcp: lookup docker: no such host
Latest
View all → Tip
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.
lazydocker · docker
Tip
Jaeger 2.18 ClickHouse Backend Setup: 8.6x Compression
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.
Jaeger · monitoring
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.
kubernetes · Aug 5, 2026 · 9 min read
Tutorial
Azure SDK for Rust Migration Guide: REST to GA Crates
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.
Intermediate azure · 45 minutes
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.
observability · Jul 27, 2026 · 10 min read
Tip
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.
Flux Schema · gitops
