Kubernetes Dashboard is a general purpose, web-based UI for Kubernetes clusters. It allows users to manage applications running in the cluster and troubleshoot them, as well as manage the cluster itself.
The dashboard is a web-based Kubernetes user interface. You can use Dashboard to deploy containerized applications to a Kubernetes cluster, troubleshoot your containerized application, and manage the cluster itself along with its attendant resources. You can use Dashboard to get an overview of applications running on your cluster, as well as for creating or modifying individual Kubernetes resources (such as Deployments, Jobs, DaemonSets, etc). For example, you can scale a Deployment, initiate a rolling update, restart a pod or deploy new applications using a deploy wizard.
The dashboard also provides information on the state of Kubernetes resources in your cluster, and on any errors that may have occurred.
Following sections describe views of the Kubernetes Dashboard UI; what they provide and how can they be used.
When there are Kubernetes objects defined in the cluster, Dashboard shows them in the initial view. By default, only objects from the default namespace are shown and this can be changed using the namespace selector located in the navigation menu.
The dashboard shows most Kubernetes object kinds and groups them in a few menu categories.
View for cluster and namespace administrators. It lists Nodes, Namespaces, and Persistent Volumes and has detail views for them. Node list view contains CPU and memory usage metrics aggregated across all Nodes. The details view shows the metrics for a Node, its specification, status, allocated resources, events and pods running on the node.
Entry point view that shows all applications running in the selected namespace. The view lists applications by workload kind (e.g., Deployments, Replica Sets, Stateful Sets, etc.) and each workload kind can be viewed separately. The lists summarize actionable information about the workloads, such as the number of ready pods for a Replica Set or current memory usage for a Pod.
Detail views for workloads show status and specification information and surface relationships between objects. For example, Pods that Replica Set is controlling or New Replica Sets and Horizontal Pod Autoscale for Deployments.
Services and discovery view shows Kubernetes resources that allow for exposing services to the external world and discovering them within a cluster. For that reason, Service and Ingress views show Pods targeted by them, internal endpoints for cluster connections and external endpoints for external users.
Storage view shows Persistent Volume Claim resources which are used by applications for storing data.
Config view shows all Kubernetes resources that are used for live configuration of applications running in clusters. This is now Config Maps and Secrets. The view allows for editing and managing config objects and displays secrets hidden by default.
Pod lists and detail pages link to logs viewer that is built into Dashboard. The viewer allows for drilling down logs from containers belonging to a single Pod.
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