cloudera hadoop installation

Turn from: http://www.cyblogs.com/My own blog ~ first of all, we need 3 machines, and here I created 3 VMs in VMware to ensure my hadoop is fully distributed with the most basic configuration. I chose the CentOS here because the Redhat series, which is popular in the enterprise comparison. After the installation, the final environmental information: IP Address H1H2h3 Here is a small question to see, is to

1. Create a user groupsudo addgroup Hadoop2. Create usersudo adduser-ingroup Hadoop HadoopEnter the password after entering, enter the password you want to set and then go all the way.3. Add Permissions for Hadoop userssudo gedit/etc/sudoersThen save the exit.4. Switch User Hadoop login operating system5. Install SSHsudo apt-get Install Openssh-serverStart the SS

Hadoop-1.x installation and configuration 1. Install JDK and SSH before installing Hadoop. Hadoop is developed in Java. MapReduce and Hadoop compilation depend on JDK. Therefore, JDK1.6 or later must be installed first (JDK 1.6 is generally used in the actual production envi

1. Before installing Hadoop, you need to install the JDK and SSH first.Hadoop is developed in Java language, and the operation of MapReduce and the compilation of Hadoop depend on the JDK. Therefore, you must first install JDK1.6 or later (JDK1.6 is generally used in a real-world production environment, because some components of Hadoop do not support JDK1.7 and

want to do this, you can also add sudo before using the command.4. Install JavaDownload and unzip the jdk-7u51-linux-i586.tar.gz to/usr directory, rename the folder to the JVM, open the terminal, enter the command vim/etc/profile edit the environment variable, and add the following statement at the end:e xport JAVA_HOME=/USR/JVMExport classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar: $JAVA _home/lib: $CLASSPATHExport path= $JAVA _home/bin: $PATHExit after saving, and then enter So

: Hadoop jar/usr/local/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar grep input Output ' dfs[a-z. + ' Wait for the output to complete after execution:Hadoop Start command: start-dfs.shstart-yarn.shmr-jobhistory-daemon.sh start Historyserverhadoop shutdown command: stop-dfs.shstop-yarn.shmr-jobhistory-da

Hadoop installation is not difficult, but requires a lot of preparation work. 1. JDK needs to be installed first. Centos can be installed directly through Yum install java-1.6.0-openjdk. The installation methods for different release versions may be different. 2. After setting SSH, you must set SSH as the key for logon authentication. If you do not have this step

CentOS 5.10 installation hadoop-1.2.1System Environment: CentOS 5.10 (Virtual Machine) [plain] view plaincopyprint? [Root @ localhosthadoop] # lsb_release-a LSBVersion: core-4.0-ia32: core-4.0-noarch: graphics-4.0-ia32: graphics-4.0-noarch: printing-4.0-ia32: printing-4.0-noarch: DistributorID: CentOS Description: CentOSrelease5.10 (Final) Release: 5.10 Codename: Final Prepare Jdk

工欲善其事, its prerequisite, don't say anything, Hadoop download: http://archive.cloudera.com/cdh5/cdh/5/Choose the appropriate version to start, in this article is about Installs the process around the hadoop-2.3.0-cdh5.1.2 version. (Installation environment for three Linux virtual machines built in VMware 10 ). 1,Hadoop

 On the network on how to install a single-machine mode of Hadoop article many, according to its steps down most of the failure, in accordance with its operation detours through a lot but after all, still solve the problem, so by the way, detailed record of the complete installation process.This article mainly describes how to set up a virtual machine environment in a Windows environment, as well as some