install hadoop on ubuntu

Ubuntu installation (Here I do not catch a map, just cite a URL, I believe that everyone's ability)Ubuntu Installation Reference Tutorial: http://jingyan.baidu.com/article/14bd256e0ca52ebb6d26129c.htmlNote the following points:1, set the virtual machine's IP, click the network connection icon in the bottom right corner of the virtual machine, select "Bridge mode", so as to assign to your LAN IP, this is ver

Distribution Mode)The hadoop daemon runs on a cluster. Version: Ubuntu 10.04.4, hadoop 1.0.2 1. Add a hadoop user to the System user Before installation, add a user named hadoop to the system for hadoop testing. ~$ sudo addgrou

deleted, one row 172.20.115.4 3). Refresh the node online on the master. $ Sbin/hadoop dfsadmin-refreshNodes This operation will migrate data in the background. When the status of this node is displayed as Decommissioned, you can close it safely. 4) You can use the following command to view the datanode status $ Sbin/hadoop dfsadmin-report During data migration, this node should not be involved in tasktrac

(fully distributed mode)The Hadoop daemon runs on a cluster. Version: Ubuntu 10.04.4,hadoop 1.0.2 1. Add Hadoop user to System user One thing to do before you install--add a user named Hadoop to the system to do the

Various tangle period Ubuntu installs countless times Hadoop various versions tried countless times tragedy then see this www.linuxidc.com/Linux/2013-01/78391.htm or tragedy, slightly modifiedFirst, install the JDK1. Download and installsudo apt-get install OPENJDK-7-JDKRequired to enter the current user password when

Ubuntu System (I use the version number is 140.4)The Ubuntu system is a desktop-based Linux operating system, and Ubuntu is built on the Debian distribution and GNOME desktop environments. The goal of Ubuntu is to provide an up-to-date, yet fairly stable, operating system that is primarily built with free software for

will automatically generate related user groups and related files, while Ubuntu creates users directly and creates users without a home directory.Add permissions to the Hadoop user to open the/etc/sudoers file;sudo gedit/etc/sudoersPressing ENTER will open the/etc/sudoers file, giving the Hadoop user the same permissions as the root user.Add the

Reprint please indicate author: Kiwenlau, and original address: http://www.cnblogs.com/kiwenlau/p/4227204.htmlThe compiled hadoop-2.3.0.tar.gz binary package provided by the Hadoop website is compiled on a 32-bit system and there are some errors running on the 64 system, such as:WARN util. nativecodeloader:unable to load Native-hadoop library for your platform ..

I downloaded the latest version of the Ubuntu64 (14.04) Desktop version of the system, in the installation of hadoop2.6.0, because the official Hadoop is on the 32-bit machine compiled, it is necessary to download the Hadoop source code to compile.Preparation: HADOOP-2.6.0-SRCJdk1.7.0_75 (because the latest version of the JDK is the 1.8.0_31 version, and I am usi

Update aptAfter logging in with a Hadoop user, we'll update apt, and we'll use apt to install the software, and there may be some software that can't be installed if it's not updated. Press Ctrl+alt+t to open the terminal window and execute the following command:sudo apt-get updateIf the following "hash check and inconsistent" prompt, you can change the software source to resolve. If you do not have the pro

, verify that Hadoop is successfully installed. Open your browser and enter the URL: Http: // localhost: 50070/(HDFS Web page) Http: // localhost: 50030/(MapReduce Web page) If you can see it, it indicates that Hadoop has been installed successfully. For Hadoop, the installation of MapReduce and HDFS is required. However, if necessary, you can only start HDFS or

1 access to Apache Hadoop websitehttp://hadoop.apache.org/2.2. Click image to downloadWe download the 2.6.0 third in the stable version of stableLinux Download , here is an error, we download should be the bottom of the second, which I did not pay attention to download the above 17m .3. Install a Linux in the virtual machineFor details see other4. Installing the Hadoop