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DevOps & observability · #kubernetes
kubectl is the primary command-line tool for communicating with a Kubernetes cluster. This page provides an overview of kubectl and its role in the Kubernetes ecosystem. Kubernetes provides a command line tool for communicating with a Kubernetes cluster's control plane , using the Kubernetes API. Th
Started · 02 Dec 2025, 19:47 UTC
A deployment policy is needed for Helm upgrades that combines --timeout with --atomic to provide a bounded wait for readiness and an automatic rollback on failure. The documented behavior indicates --timeout limits client wait time and --atomic triggers a rollback on timeout or failure, while a SIGINT stops the client immediately. It is unclear how these mec
A failure needs to be narrowed down before settings are changed or operations retried. Which evidence best separates application errors from environment and dependency problems?
Kubernetes can be configured to use swap memory on a node , allowing the kernel to free up physical memory by swapping out pages to backing storage. This is useful for multiple use-cases. For example, nodes running workloads that can benefit from using swap, such as those that have large memory foot
The Kubernetes API server stores objects, relying on an etcd-compatible backing store (often, the backing storage is etcd itself). Each object is serialized using a particular version of that API type; for example, the v1 representation of a ConfigMap. Kubernetes uses the term storage version to des
I am unable to identify what the exact issue with the permissions with my setup as shown below. I've looked into all the similar QAs but still unable to solve the issue. The aim is to deploy Prometheus and let it scrape /metrics endpoints that my other applications in the cluster expose fine. Failed to watch *v1.Endpoints: failed to list *v1.Endpoints: endpo
API Server Connectivity Transition Gardener manages shoot cluster API server exposure through the apiServerPublicEndpoint configuration within the shoot specification. This setting determines whether the API server is reachable via the public internet or restricted to internal network routing and Gardener VPNs. A design uncertainty exists regarding the recon
I have kubernetes pods running as shown in command "kubectl get all -A " : and same pods are shown in command "kubectl get pod -A" : I want to enter/login to any of these pod (all are in Running state). How can I do that please let me know the command?
Rancher utilizes a local cache of downstream cluster resources to minimize direct API pressure on managed Kubernetes clusters. This synchronization depends on the cattle-cluster-agent pushing state updates to the Rancher management plane. In environments with high network latency or intermittent agent connectivity, the Rancher UI may continue to display reso
helm
prometheus
gardener
rancher