94 lines
5.4 KiB
Markdown
94 lines
5.4 KiB
Markdown
---
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assignees:
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- davidopp
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---
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* TOC
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{:toc}
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The user guide is intended for anyone who wants to run programs and services on an existing Kubernetes cluster. Setup and administration of a Kubernetes cluster is described in the [Cluster Admin Guide](/docs/admin/). The [Developer Guide](https://github.com/kubernetes/kubernetes/tree/{{page.githubbranch}}/docs/devel) is for anyone wanting to either write code which directly accesses the Kubernetes API, or to contribute directly to the Kubernetes project.
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Please ensure you have completed the [prerequisites for running examples from the user guide](/docs/user-guide/prereqs/).
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## Quick walkthrough
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1. [Kubernetes 101](/docs/user-guide/walkthrough/)
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1. [Kubernetes 201](/docs/user-guide/walkthrough/k8s201/)
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## Thorough walkthrough
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If you don't have any familiarity with Kubernetes, we recommend you read the following sections in order:
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1. [Quick start: launch and expose an application](/docs/user-guide/quick-start/)
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1. [Configuring and launching containers: configuring common container parameters](/docs/user-guide/configuring-containers/)
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1. [Deploying continuously running applications](/docs/user-guide/deploying-applications/)
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1. [Connecting applications: exposing applications to clients and users](/docs/user-guide/connecting-applications/)
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1. [Working with containers in production](/docs/user-guide/production-pods/)
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1. [Managing deployments](/docs/user-guide/managing-deployments/)
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1. [Application introspection and debugging](/docs/user-guide/introspection-and-debugging/)
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1. [Using the Kubernetes web user interface](/docs/user-guide/ui/)
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1. [Logging](/docs/user-guide/logging/)
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1. [Monitoring](/docs/user-guide/monitoring/)
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1. [Getting into containers via `exec`](/docs/user-guide/getting-into-containers/)
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1. [Connecting to containers via proxies](/docs/user-guide/connecting-to-applications-proxy/)
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1. [Connecting to containers via port forwarding](/docs/user-guide/connecting-to-applications-port-forward/)
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## Concept guide
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[**Cluster**](/docs/admin/)
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: A cluster is a set of physical or virtual machines and other infrastructure resources used by Kubernetes to run your applications.
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[**Node**](/docs/admin/node/)
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: A node is a physical or virtual machine running Kubernetes, onto which pods can be scheduled.
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[**Pod**](/docs/user-guide/pods/)
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: A pod is a co-located group of containers and volumes.
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[**Label**](/docs/user-guide/labels/)
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: A label is a key/value pair that is attached to a resource, such as a pod, to convey a user-defined identifying attribute. Labels can be used to organize and to select subsets of resources.
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[**Selector**](/docs/user-guide/labels/#label-selectors)
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: A selector is an expression that matches labels in order to identify related resources, such as which pods are targeted by a load-balanced service.
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[**Replication Controller**](/docs/user-guide/replication-controller/)
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: A replication controller ensures that a specified number of pod replicas are running at any one time. It both allows for easy scaling of replicated systems and handles re-creation of a pod when the machine it is on reboots or otherwise fails.
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[**Service**](/docs/user-guide/services/)
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: A service defines a set of pods and a means by which to access them, such as single stable IP address and corresponding DNS name.
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[**Volume**](/docs/user-guide/volumes/)
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: A volume is a directory, possibly with some data in it, which is accessible to a Container as part of its filesystem. Kubernetes volumes build upon [Docker Volumes](https://docs.docker.com/userguide/dockervolumes/), adding provisioning of the volume directory and/or device.
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[**Secret**](/docs/user-guide/secrets/)
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: A secret stores sensitive data, such as authentication tokens, which can be made available to containers upon request.
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[**Name**](/docs/user-guide/identifiers/)
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: A user- or client-provided name for a resource.
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[**Namespace**](/docs/user-guide/namespaces/)
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: A namespace is like a prefix to the name of a resource. Namespaces help different projects, teams, or customers to share a cluster, such as by preventing name collisions between unrelated teams.
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[**Annotation**](/docs/user-guide/annotations/)
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: A key/value pair that can hold larger (compared to a label), and possibly not human-readable, data, intended to store non-identifying auxiliary data, especially data manipulated by tools and system extensions. Efficient filtering by annotation values is not supported.
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## Further reading
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API resources
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* [Working with resources](/docs/user-guide/working-with-resources/)
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Pods and containers
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* [Pod lifecycle and restart policies](/docs/user-guide/pod-states/)
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* [Lifecycle hooks](/docs/user-guide/container-environment/)
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* [Compute resources, such as cpu and memory](/docs/user-guide/compute-resources/)
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* [Specifying commands and requesting capabilities](/docs/user-guide/containers/)
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* [Downward API: accessing system configuration from a pod](/docs/user-guide/downward-api/)
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* [Images and registries](/docs/user-guide/images/)
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* [Migrating from docker-cli to kubectl](/docs/user-guide/docker-cli-to-kubectl/)
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* [Configuration Best Practices and Tips](/docs/user-guide/config-best-practices/)
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* [Assign pods to selected nodes](https://github.com/kubernetes/kubernetes.github.io/tree/{{page.docsbranch}}/docs/user-guide/node-selection/)
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* [Perform a rolling update on a running group of pods](https://github.com/kubernetes/kubernetes.github.io/tree/{{page.docsbranch}}/docs/user-guide/update-demo/)
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