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Copy file name to clipboardExpand all lines: getting_started/openshift-cli.adoc
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* Review xref:../cli_reference/openshift_cli/getting-started-cli.adoc#cli-about-cli_cli-developer-commands[About the OpenShift CLI].
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* You must be able to access a running instance of {product-title}. If you do not have access, contact your cluster administrator.
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* You must have the OpenShift Container Platform CLI (oc) xref:../cli_reference/openshift_cli/getting-started-cli.adoc#installing-openshift-cli[downloaded and installed].
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* You must have the OpenShift CLI (`oc`) xref:../cli_reference/openshift_cli/getting-started-cli.adoc#installing-openshift-cli[downloaded and installed].
Copy file name to clipboardExpand all lines: getting_started/openshift-overview.adoc
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:_content-type: ASSEMBLY
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[id="openshift-overview"]
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= Overview
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= {product-title} overview
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include::_attributes/common-attributes.adoc[]
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:context: openshift-overview
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{product-title} enables you to do the following:
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* Provide developers and IT organizations with cloud application platforms that can be used for deploying applications on secure and scalable resources.
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* Require minimal configuration and management overhead.{product-title} is built on Kubernetes.
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* Bring Kubernetes platform to customer data centers and cloud.
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* Require minimal configuration and management overhead.
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* Bring the Kubernetes platform to customer data centers and cloud.
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* Meet security, privacy, compliance, and governance requirements.
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With its foundation in Kubernetes, {product-title} incorporates the same technology that serves as the engine for massive telecommunications, streaming video, gaming, banking, and other applications. Its implementation in open Red Hat technologies lets you extend your containerized applications beyond a single cloud to on-premise and multi-cloud environments.
The {product-title} installation program offers you flexibility. You can use the installation program to deploy a cluster on infrastructure that the installation program provisions and the cluster maintains or deploy a cluster on infrastructure that you prepare and maintain.
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For more information about the installation process is, the supported platforms, and choosing a method of installing and preparing your cluster, see the following:
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For more information about the installation process, the supported platforms, and choosing a method of installing and preparing your cluster, see the following:
* xref:../applications/projects/working-with-projects.adoc#viewing-a-project-using-the-web-console_projects[Viewing a project using the web console]
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* xref:../applications/projects/working-with-projects.adoc#odc-providing-project-permissions-using-developer-perspective_projects[Providing access permissions to your project using the Developer perspective]
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* xref:../applications/projects/working-with-projects.adoc#deleting-a-project-using-the-web-console_projects[Deleting a project using the web console]
* xref:../applications/creating_applications/odc-creating-applications-using-developer-perspective.adoc[Creating applications using the Developer perspective]
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* xref:../applications/projects/working-with-projects.adoc#viewing-a-project-using-the-web-console_projects[Viewing a project using the web console]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-viewing-application-topology_viewing-application-composition-using-topology-view[Viewing the topology of your application]
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* xref:../applications/projects/working-with-projects.adoc#deleting-a-project-using-the-web-console_projects[Deleting a project using the web console]
* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-interacting-with-applications-and-components_viewing-application-composition-using-topology-view[Interacting with applications and components]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-scaling-application-pods-and-checking-builds-and-routes_viewing-application-composition-using-topology-view[Scaling application pods and checking builds and routes]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-labels-and-annotations-used-for-topology-view_viewing-application-composition-using-topology-view[Labels and annotations used for the Topology view]
* xref:../scalability_and_performance/recommended-cluster-scaling-practices.adoc#recommended-scale-practices_cluster-scaling[Recommended practices for scaling the cluster]
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* xref:../nodes/pods/nodes-pods-autoscaling.adoc#nodes-pods-autoscaling-about_nodes-pods-autoscaling[Understanding horizontal pod autoscalers]
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* xref:../nodes/pods/nodes-pods-vertical-autoscaler.adoc#nodes-pods-vertical-autoscaler-about_nodes-pods-vertical-autoscaler[About the Vertical Pod Autoscaler Operator]
* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-adding-services-to-your-application_viewing-application-composition-using-topology-view[Adding services to your application]
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* xref:../applications/creating_applications/odc-creating-applications-using-developer-perspective.adoc#odc-importing-codebase-from-git-to-create-application_odc-creating-applications-using-developer-perspective[Importing a codebase from Git to create an application]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-viewing-application-topology_viewing-application-composition-using-topology-view[Viewing the topology of your application]
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* xref:../applications/projects/working-with-projects.adoc#odc-providing-project-permissions-using-developer-perspective_projects[Providing access permissions to your project using the Developer perspective]
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* xref:../applications/projects/working-with-projects.adoc#deleting-a-project-using-the-web-console_projects[Deleting a project using the web console]
* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-adding-services-to-your-application_viewing-application-composition-using-topology-view[Adding services to your application]
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* xref:../applications/projects/working-with-projects.adoc#viewing-a-project-using-the-web-console_projects[Viewing a project using the web console]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-viewing-application-topology_viewing-application-composition-using-topology-view[Viewing the topology of your application]
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* xref:../applications/projects/working-with-projects.adoc#odc-providing-project-permissions-using-developer-perspective_projects[Providing access permissions to your project using the Developer perspective]
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* xref:../applications/projects/working-with-projects.adoc#deleting-a-project-using-the-web-console_projects[Deleting a project using the web console]
* xref:../applications/projects/working-with-projects.adoc#odc-providing-project-permissions-using-developer-perspective_projects[Providing access permissions to your project using the Developer perspective]
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* xref:../applications/odc-viewing-application-composition-using-topology-view.adoc#odc-labels-and-annotations-used-for-topology-view_viewing-application-composition-using-topology-view[Labels and annotations used for the Topology view]
Copy file name to clipboardExpand all lines: modules/getting-started-cli-connecting-a-database.adoc
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= Connecting to a database
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Deploy and connect a MongoDB database where the `national-parks-app` application stores location information.
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Once you mark the `national-parks-app` application as a backend for the map visualization tool, `parksmap` deployment uses {product-title} discover mechanism to display the map automatically.
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Once you mark the `national-parks-app` application as a backend for the map visualization tool, `parksmap` deployment uses the {product-title} discover mechanism to display the map automatically.
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.Prerequisites
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.Procedure
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. To connect to a database, enter the following command:
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* To connect to a database, enter the following command:
Copy file name to clipboardExpand all lines: modules/getting-started-cli-creating-secret.adoc
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= Creating a secret
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The `Secret` object type provides a mechanism to hold sensitive information such as passwords, {product-title} client configuration files, private source repository credentials, and so on.
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The `Secret` object provides a mechanism to hold sensitive information such as passwords, {product-title} client configuration files, private source repository credentials, and so on.
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Secrets decouple sensitive content from the pods. You can mount secrets into containers using a volume plug-in or the system can use secrets to perform actions on behalf of a pod.
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The following procedure adds the secret `nationalparks-mongodb-parameters` and mounts it to the `nationalparks` workload.
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deployment.apps/nationalparks updated
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----
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. To show the status of the rollout, enter the following command:
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. To show the status of the `nationalparks` deployment, enter the following command:
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[source,terminal]
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----
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$ oc rollout status deployment nationalparks
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----
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.Example output
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[source,terminal]
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----
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deployment "nationalparks" successfully rolled out
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----
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. To show the status of the `mongodb-nationalparks` deployment, enter the following command:
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[source,terminal]
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$ oc rollout status deployment mongodb-nationalparks
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deployment "nationalparks" successfully rolled out
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deployment "mongodb-nationalparks" successfully rolled out
The simplest way to deploy an application in {product-title} is to run an existing container image. The following procedure deploys a frontend component of an application called `national-parks-app`. The web application displays an interactive map. The map displays the location of major national parks across the world.
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The simplest way to deploy an application in {product-title} is to run an existing container image. The following procedure deploys a front-end component of an application called `national-parks-app`. The web application displays an interactive map. The map displays the location of major national parks across the world.
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