hdinsight-administer-use-command-line.md

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Manage Apache Hadoop clusters using Azure Classic CLI - Azure HDInsight	Learn how to use the Azure classic CLI to manage Apache Hadoop clusters in Azure HDInsight.	hdinsight	jasonh	tylerfox	hdinsight	hdinsightactive,hdiseo17may2017	conceptual	11/06/2018	tyfox

Manage Apache Hadoop clusters in HDInsight using the Azure Classic CLI

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Learn how to use the Azure Classic CLI to manage Apache Hadoop clusters in Azure HDInsight. The classic CLI is implemented in Node.js. It can be used on any platform that supports Node.js, including Windows, Mac, and Linux.

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Prerequisites

Before you begin this article, you must have the following:

• An Azure subscription. See Get Azure free trial.

• Azure Classic CLI - See Install and configure the Azure Classic CLI for installation and configuration information.

• Connect to Azure, using the following command:

  azure login
  

  For more information on authenticating using a work or school account, see Connect to an Azure subscription from the Azure Classic CLI.

• Switch to the Azure Resource Manager mode, using the following command:

  azure config mode arm
  

To get help, use the -h switch. For example:

azure hdinsight cluster create -h

Create clusters with the CLI

See Create clusters in HDInsight using the Azure Classic CLI.

List and show cluster details

Use the following commands to list and show cluster details:

azure hdinsight cluster list
azure hdinsight cluster show <Cluster Name>

Delete clusters

Use the following command to delete a cluster:

azure hdinsight cluster delete <Cluster Name>

You can also delete a cluster by deleting the resource group that contains the cluster. Please note, this will delete all the resources in the group including the default storage account.

azure group delete <Resource Group Name>

Scale clusters

To change the Apache Hadoop cluster size:

azure hdinsight cluster resize [options] <clusterName> <Target Instance Count>

Enable/disable HTTP access for a cluster

azure hdinsight cluster enable-http-access [options] <Cluster Name> <userName> <password>
azure hdinsight cluster disable-http-access [options] <Cluster Name>

Next steps

In this article, you have learned how to perform different HDInsight cluster administrative tasks. To learn more, see the following articles:

• Administer HDInsight by using the Azure Portal
• Administer HDInsight by using Azure PowerShell
• Get started with Azure HDInsight
• How to use the Azure Classic CLI