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DevOps & observability · #kubernetes
ApplicationSets generate Argo CD Applications from one template plus a generator. Learn how the mechanism works, see a cluster-generator example, and avoid orphaned apps and broad selectors.
A decision guide for delivering Vault secrets to Kubernetes workloads: compare Agent Injector, app-native SDK, Secrets Operator, and CSI, then configure Kubernetes auth and validate.
Learn how to change kernel parameters across a Talos‑based Kubernetes cluster using the declarative API, with a concrete example, verification steps, and rollback guidance.
Learn how to declare, lock, and upgrade Helm chart dependencies so every environment runs the exact same versions.
Rancher's multi-cluster management centralizes auth, RBAC, and GitOps delivery across imported and provisioned clusters — but the management plane itself becomes a dependency you must design for.
Learn how to use Traefik Mesh TrafficSplit to perform weighted canary releases in Kubernetes, with a concrete example, verification steps, and limitations.
Talos Linux has no SSH and no editable /etc — every node setting lives in one declarative machine config. Here's how to set static networking and kernel arguments through it, and verify the result.
Learn how a Pod Disruption Budget (PDB) guarantees a minimum number of replicas stay up while you drain nodes, plus a concrete example and the trade‑offs to watch for.
Talos nodes are configured exclusively through a declarative MachineConfig pushed with talosctl apply-config. A worked patch example, validation workflow, and the mistakes that actually strand nodes.
argocd
vault
talos
helm
rancher
traefikmesh