OS X comes with SSH pre-installed, so there is no need to install any additional software. To use Hadoop, it will be necessary for Hadoop to have the ability to establish SSH connections to localhost, and to do this without the need to provide a password or passphrase. You can do this from Launchpad->Other->Terminal. The following commands are entered from a command prompt, so you will need to open a Terminal window. If you are using the hadoop user, you should now log out and log back in using that account. If you choose to run Hadoop under an account name other than hadoop, amend the commands in this tutorial accordingly. If you are running Hadoop on your own personal computer, you may choose to run Hadoop under your own regular account (this is what I've chosen to do). If you create the user hadoop, create the account as a Standard user. You can create a new user from Launchpad->System Preferences->Users & Groups. Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)įor security and administration reasons, it is recommended that you create an Hadoop Operating System User. Java(TM) SE Runtime Environment (build 1.7.0_51-b13) You should receive the following response. There are plenty of resources that will explain how to install Java, if you do not already know. Mavericks By default, Mavericks does not include Java and, if you've upgrade to Mavericks, Java will be uninstalled. At the time of writing, the latest version of Talend (5.4.1) only supports Java 6 so, if running Talend, you'll need to have two Java versions installed or use Hadoop with Java 6. Note Although this is a universal guide for installing Hadoop, this is primarily a site about Talend. At the time of writing, the latest version of Java was Java 7 (1.7). There are a few things you need to sort out before installing Hadoop.Ĭheck your Java version. You can also install Hadoop on Unix, Linux variants and on a Windows Server. This tutorial has been written, by installing Hadoop on a MacBook Air running OS X 10.9.1 (Mavericks). OS X is, probably, not the first platform that you will be considering when you're building your large Hadoop cluster however this is a useful exercise when you're taking your first look at Hadoop. The topics discussed here are useful if you want to learn Hadoop and set up your own single node cluster, for learning and development. This article is not specific to Talend and should be helpful, whatever your requirement is for using Hadoop. This article explains how to install an Hadoop Single Node Cluster.
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