RTFM: Linux, DevOps, and system administration

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Posts

Terraform: AWS EKS Terraform module update from version 20.x to version 21.

Terraform: “no available releases match the given constraints

Kubernetes: PVC in StatefulSet, and the “Forbidden updates to statefulset spec” error

Kubernetes: Kubernetes API, API groups, CRDs, and the etcd

Kubernetes: what are the Kubernetes Operator and CustomResourceDefinition

Kubernetes: Pod resources.requests, resources.limits, and Linux cgroups

TCP/IP: OSI and TCP/IP models, TCP packets, Linux sockets and ports

VictoriaMetrics: fixing the “no matches for kind VMAnomaly” error

Arch Linux: linux-firmware-nvidia: /usr/lib/firmware/nvidia/ exists in filesystem

Kubernetes: 503 errors with AWS ALB possible causes and solutions