cloudera hadoop installation

authorized_keys of datanode ( 192.168.1.107 node ): A. Copy the id_dsa.pub file of namenode: $ SCP id_dsa.pub root@192.168.1.108:/home/hadoop/ B. log on to 192.168.1.108 and run $ cat id_dsa.pub>. Ssh/authorized_keys. Other datanode perform the same operation. Note: If the configuration is complete and the namenode still cannot access datanode, you can modify Authorized_keys: $ chmod 600 authorized_keys. 4. Disable the Firewall $ Sudo UFW disable Not

CentOS-64bit to compile the Hadoop-2.5. source code, and distributed installation, centoshadoop SummaryCentOS7-64bit compilation Hadoop-2.5.0 and distributed Installation Directory 1. System Environment Description 2. Preparations before installation 2.1 disable Firewall 2.2

Note: The following installation steps are performed in the Centos6.5 operating system, and the installation steps are also suitable for other operating systems, such as students using Ubuntu and other Linux Operating system, just note that individual commands are slightly different. Note the actions of different user permissions, such as shutting down the firewall and requiring root privileges. A single

Installing the JDK1 Yum Install java-1.7. 0-openjdk*3 Check Installation: java-versionCreate Hadoop users, set up Hadoop users so that they can password-free ssh to localhost1 su - hadoop 2ssh-keygen" -f ~/. SSH/id_dsa 3cat ~/. SSH/id_dsa.pub>> ~/. ssh/authorized_keys 4 5 cd/home/

1 operating mode:Stand-alone Mode (standalone): standalone mode is the default mode for Hadoop. When the source package for Hadoop was first decompressed, Hadoop was unable to understand the hardware installation environment and conservatively chose the minimum configuration. In this default mode, all 3 XML files are e

I. INTRODUCTIONRefer to many tutorials on the web, and eventually install Hadoop in the ubuntu14.04 configuration successfully. The detailed installation steps are described below. The environment I use: two Ubuntu 14.04 64-bit desktops, Hadoop chooses the 2.7.1 version.Two. Prepare for work 2.1 Create a userTo create a user and add root permissions to it, it is

Note: The following installation steps are performed in the Centos6.5 operating system, and the installation steps are also suitable for other operating systems, such as having classmates using other Linux operating systems such as Ubuntu, just note that individual commands are slightly different. Note the operation of different user rights, such as the shutdown firewall, the need to use root permissions. T

Hadoop cluster installation-CDH5 (three server clusters) Hadoop cluster installation-CDH5 (three server clusters) CDH5 package download: http://archive.cloudera.com/cdh5/ Host planning: IP Host Deployment module Process 192.168.107.82 Hadoop-NN-

Reprint: http://www.cnblogs.com/ysisl/p/5979268.htmlFirst, download the information1. JDK 1.6 +2. Scala 2.10.43. Hadoop 2.6.44. Spark 1.6Second, pre-installed1. Installing the JDK2. Install Scala 2.10.4Unzip the installation package to3. Configure sshdssh-keygen-t dsa-p "-F ~/.SSH/ID_DSA Cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keysMac starts sshdsudo launchctl load-w/system/library/launchdaemons/ssh.plis

2013-03-12 22:07 1503 people read comments (0) favorite reports Classification:Hadoop (+)Directory (?) [+]Hadoop+hive+mysql Installation DocumentationSoftware version Redhat Enterprise server5.5 64 Hadoop 1.0.0 Hive 0.8.1 Mysql 5 Jdk 1.6 Overall arch

0 Open Extranet Ports required50070,8088,60010, 70771 Setting up SSH password-free loginSsh-keygen-t Dsa-p "-F ~/.SSH/ID_DSACat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keyschmod 0600 ~/.ssh/authorized_keys2 Unpacking the installation packageTar-zxvf/usr/jxx/scala-2.10.4.tgz-c/usr/local/Tar-zxvf/usr/jxx/spark-1.5.2-bin-hadoop2.6.tgz-c/usr/local/Tar-zxvf/usr/jxx/hbase-1.0.3-bin.tar.gz-c/usr/local/Tar-zxvf/usr/jxx/had