cloudera hadoop installation

// Install SSH [Root @ localhost/] # sudo Yum Install SSH // Generate the key [Root @ localhost/] # ssh-keygen (You can press enter all the way) to generate the following two files:/root/. Ssh/id_rsa/root/. Ssh/id_rsa.pub [Root @ localhost. Ssh] # cd/root/. Ssh/ // The actual situation is to copy the public key to another machine and write it to the authorized_keys file on another machine. [Root @ localhost. Ssh] # Cat./id_rsa.pub>./authorized_keys [Root @ localhost. Ssh]

software, you can find useful to install Alsoscreento start sessions the work on the remote servers, an Dnmapto Check server ports in case something are not working in the cluster networking sudo apt-get install screen nmap Repeat This installation-procedure, up-to-this-point, on-every node you had in the cluster The following'll is necessary only on the first node: Then we start a screens to work remotely without fear of the losing work if disconnec

First, hadoop2.0 installation deployment process1, Automatic installation deployment: Ambari, Minos (Xiaomi), Cloudera Manager (charge) 2, using RPM Package installation deployment: Apache Hadoop does not support, HDP and CDH provide 3. Install the deployment using the JAR p

Excerpt from: http://www.powerxing.com/install-hadoop-cluster/This tutorial describes how to configure a Hadoop cluster, and the default reader has mastered the single-machine pseudo-distributed configuration of Hadoop, otherwise check out the Hadoop installation tutorial, s

Recently, the company has taken over a new project and needs to perform distributed crawling on the entire wireless network of the company. The webpage index is updated and the PR value is calculated. Because the data volume is too large (tens of millions of data records ), you have to perform distributed processing. The new version is ready to adopt the hadoop architecture. The general process of hadoop co

The installation of this article only covers Hadoop-common, Hadoop-hdfs, Hadoop-mapreduce, and Hadoop-yarn, and does not include hbase, Hive, and pig.http://blog.csdn.net/aquester/article/details/246210051. planning 1.1. list of machines NameNode Second

First, install Java 1. Download jdk-8u91-linux-x64.tar.gz file, the website is: http://www.oracle.com/technetwork/java/javase/downloads/index.html 2. Installation: #选择一个安装路径, I chose/opt and copied the downloaded jdk-8u91-linux-x64.tar.gz file to this folder $ cd/opt $ sudo cp ~/downloads/jdk-8u91-linux-x64.tar.gz-i/opt/ #解压, installation $ sudo tar zxvf jdk-8u91-linux-x64.tar.gz $ sudo rm-r jdk-8u91-linux-

2017/6/21 Update after installation, create the logs folder under the/usr/local/hadoop/hadoop-2.7.3 path and change the permissions to 777 9-26 Important updates: All the commands in this article are from the real machine copy, may be in the process of pasting copy of the unknown error, so please manually enter the command, thank you. Recently listened to a big

First, install Java1. Download the jdk-8u91-linux-x64.tar.gz file at:http://www.oracle.com/technetwork/java/javase/downloads/index.html2. Installation:#选择一个安装路径, I chose/opt and copied the downloaded jdk-8u91-linux-x64.tar.gz file to this folder$ cd/opt$ sudo cp ~/downloads/jdk-8u91-linux-x64.tar.gz-i/opt/#解压, installation$ sudo tar zxvf jdk-8u91-linux-x64.tar.gz$ sudo rm-r jdk-8u91-linux-x64.tar.gz#检查是否安装成

Chd4b1 (hadoop-0.23) for namenode ha installation Configuration Cloudera chd4b1 version already contains namenode ha, the Community also put namenode ha branch HDFS-1623 merge to trunk version, can achieve hot backup of dual namenode, but currently only supports manual switch, does not support automatic switch, switch progress in the community see: https://issues

installation disk so that the required installation package is installed. Make FTP package easy to install software [email protected] home]# mount-t auto/dev/cdrom/home/cdromMount:block Device/dev/sr0 is write-protected, mounting read-only[email protected] packages]# RPM-IVH ftp-0.17-54.el6.x86_64.rpmWarning:ftp-0.17-54.el6.x86_64.rpm:header V3 rsa/sha1 Signature, key ID C105b9de:nokeyPreparing ... ##

Environment: ubuntu10.10JDK1.6.0.27hadoop0.20.2 I. JDK installation in ubuntu: 1. download jdk-6u27-linux-i586.bin2. copy to/usr/java and set the object operation permissions. $. /jdk-6u27-linux-i586.bin start installation 4. set... Environment: ubuntu 10.10 JDK1.6.0.27 hadoop 0.20.2 1. install JDK in ubuntu: 1. download jdk-6u27-linux-i586.bin 2. copy to/usr

Recently combined with specific projects, set up Hadoop+hive, before running Hive to first set up a good Hadoop, about the construction of Hadoop has three models, in the following introduction, I mainly used the pseudo distribution of Hadoop installation mode. Write it down

Installation environment: Ubuntu Kylin 14.04 haoop-1.2.1 HADOOP:HTTP://APACHE.MESI.COM.AR/HADOOP/COMMON/HADOOP-1.2.1/1. To install the JDK, it is important to note that in order to use Hadoop, you need to enter a command under Hadoop:source/etc/profile to implement it, and then use java-version Test to see if it takes

SummaryCentos7-64bit compiled Hadoop-2.5.0, and distributed installationCatalogue [-] 1. System Environment Description 2. Pre-installation preparations 2.1 Shutting down the firewall 2.2 Check SSH installation, if not, install SSH 2.3 Installing VIM 2.4 Setting a static IP address 2.5 Modifying the host name 2.6 Creating a

Environment: Ubuntu10.10JDK1.6.0.27hadoop0.20.2 I. JDK installation in Ubuntu: 1. download jdk-6u27-linux-i586.bin2. copy to usrjava and set object operation permissions. $. jdk-6u27-linux-i586.bin start installation 4. set the environment variable vietcprofile and add JAVA_HOME at the end of the file. Environment: Ubuntu 10.10 JDK1.6.0.27 hadoop 0.20.2 1. Instal

Hadoop series HDFS (Distributed File System) installation and configurationEnvironment Introduction:IP node192.168.3.10 HDFS-Master192.168.3.11 hdfs-slave1192.168.3.12 hdfs-slave21. Add hosts to all machines192.168.3.10 HDFS-Master192.168.3.11 hdfs-slave1192.168.3.12 hdfs-slave2# Description// The host name cannot contain underscores or special symbols. Otherwise, many errors may occur.2. Configure SSH pass

Although the overall implementation of the automatic installation, but there are many needs to improve the place, such as:1. The code can only be run under the root authority, otherwise it will be wrong, this need to add permission to judge;2. You can also add several functions to reduce code redundancy;3. Some of the judgements are not intelligent enough;......The ability and the time are limited, can only write here.The Installhadoop file code is as

Pseudo distribution mode: Hadoop can run in pseudo-distributed mode on a single node. Different Java processes can be used to simulate various nodes in the distributed operation. 1. Install hadoop Make sure that JDK and SSH are installed in the system. 1) on the official website download hadoop: http://hadoop.apache.org/I download here is the

to/usr/local, rename hadoop-2.7.3 to Hadoop, and set access permissions for/usr/local/hadoop. cd/usr/local sudo mv hadoop-2.7.3 hadoop sudo chmod 777/usr/local/hadoop(2) Configuring the. bashrc file sudo vim ~/.BASHRC (if Vim is