120 lines
5.6 KiB
Markdown
120 lines
5.6 KiB
Markdown
---
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layout: docwithnav
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title: "Kubernetes User Guide: Managing Applications"
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---
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# Kubernetes User Guide: Managing Applications
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**Table of Contents**
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- [Kubernetes User Guide: Managing Applications](#kubernetes-user-guide-managing-applications)
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- [Quick walkthrough](#quick-walkthrough)
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- [Thorough walkthrough](#thorough-walkthrough)
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- [Concept guide](#concept-guide)
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- [Further reading](#further-reading)
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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/README.html). The [Developer Guide](../../docs/devel/README.html) 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](prereqs.html).
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## Quick walkthrough
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1. [Kubernetes 101](walkthrough/README.html)
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1. [Kubernetes 201](walkthrough/k8s201.html)
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## Thorough walkthrough
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If you don't have much familiarity with Kubernetes, we recommend you read the following sections in order:
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1. [Quick start: launch and expose an application](quick-start.html)
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1. [Configuring and launching containers: configuring common container parameters](configuring-containers.html)
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1. [Deploying continuously running applications](deploying-applications.html)
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1. [Connecting applications: exposing applications to clients and users](connecting-applications.html)
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1. [Working with containers in production](production-pods.html)
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1. [Managing deployments](managing-deployments.html)
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1. [Application introspection and debugging](introspection-and-debugging.html)
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1. [Using the Kubernetes web user interface](ui.html)
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1. [Logging](logging.html)
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1. [Monitoring](monitoring.html)
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1. [Getting into containers via `exec`](getting-into-containers.html)
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1. [Connecting to containers via proxies](connecting-to-applications-proxy.html)
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1. [Connecting to containers via port forwarding](connecting-to-applications-port-forward.html)
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## Concept guide
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[**Overview**](overview.html)
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: A brief overview of Kubernetes concepts.
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[**Cluster**](../admin/README.html)
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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**](../admin/node.html)
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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**](pods.html)
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: A pod is a co-located group of containers and volumes.
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[**Label**](labels.html)
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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**](labels.html#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**](replication-controller.html)
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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**](services.html)
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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**](volumes.html)
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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**](secrets.html)
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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**](identifiers.html)
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: A user- or client-provided name for a resource.
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[**Namespace**](namespaces.html)
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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**](annotations.html)
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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](working-with-resources.html)
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* Pods and containers
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* [Pod lifecycle and restart policies](pod-states.html)
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* [Lifecycle hooks](container-environment.html)
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* [Compute resources, such as cpu and memory](compute-resources.html)
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* [Specifying commands and requesting capabilities](containers.html)
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* [Downward API: accessing system configuration from a pod](downward-api.html)
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* [Images and registries](images.html)
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* [Migrating from docker-cli to kubectl](docker-cli-to-kubectl.html)
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* [Tips and tricks when working with config](config-best-practices.html)
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* [Assign pods to selected nodes](node-selection/)
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* [Perform a rolling update on a running group of pods](update-demo/)
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