hortonworks hadoop installation

The latest hadoop2.5 installation directory has been modified to make installation easier. First install the preparation Tool $ sudo apt-get install ssh $ sudo apt-get install rsync Configure SSH $ ssh localhostIf you cannot ssh to localhost without a passphrase, execute the following commands: $ ssh-keygen -t dsa -P ‘‘ -f ~/.ssh/id_dsa $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys Go to ETC/

The Hadoop environment has been set up in the previous chapters, this section focuses on building the spark platform on Hadoop 1 Download the required installation package 1) Download the spark installation package 2) Download the Scala installation package and unzip the

Hadoop advanced 1. Configure SSH-free (1) Modify the slaves fileSwitch to master machine, this section is all done in master.Enter the/usr/hadoop/etc/hadoop directory, locate the slaves file, and modify:slave1slave2slave3(2) Sending the public keyEnter the. SSH directory under the root directory: Generate Public Private key SSH-KEYGEN-T RSA

Introduction Recently, with the need for scientific research, Hadoop clusters have been built from scratch, including separate zookeeper and HBase. For Linux, Hadoop and other related basic knowledge is relatively small, so this series of sharing applies to a variety of small white, want to experience the Hadoop cluster. At the same time, put forward some proble

Address: http://blog.csdn.net/kongxx/article/details/6891591 1. download the latest hadoop installation package, http://hadoop.apache.org/here I am using hadoop-0.511203.0rc1.tar.gz.pdf; 2. decompress the compressed package to your own directory, for example, extract to the/data/fkong directory, for the following instructions, here/data/fkong/

JMX, these monitoring methods are Zabbix server initiative to ask the equipment to be monitored, and trapper is passively waiting for the monitoring equipment to report the data (through Zabbix_sender) up, Then extract what you want from the data in the report. Note If the monitor side provides an interface for external access to its running data (not too secure), you can use the external check invoke script to remotely fetch the data and then zabbix_sender the obtained data to Zabbix Server i

Hadoop is a distributed system infrastructure developed by the Apache Foundation. Users can develop distributed programs without knowing the underlying details of the distribution. Take advantage of the power of the cluster to perform high-speed operations and storage. To learn Hadoop start by downloading the installation packageOpen the official website of

Virtual machine-based Hadoop cluster installation1. The software we needXshell, SSH secure, virtual machine, Linux centos64, Hadoop1.2.1 installation package2. Install the above software3, install Linux, there is no more elaboration4. Install the JDK firstMy path isjava_home=/usr/lib/jvm/jdk1.7.0_79Path= PATH: Java_home/binClasspath= J AV AH OM E /LIb/d T.JaR: Java_home/lib/t

Experimental environment 192.168.56.2 Master.hadoop 192.168.56.3 Slave1.hadoop 192.168.56.4 Slave2.hadoop One installation JDK #/etc/profile Export Java_home=/usr/local/java/default Export path= $JAVA _home/bin: $JAVA _home/jre/bin: $PATH Export classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar # Source/etc/profile Two no password SSH login (recom

1. install Sun's jdk1.6 and the JAVA_HOME environment variable has been directed to the jdk installation directory. (For details, refer to manual installation of SUN's jdk1.6 under Ubuntu10.4.) 2. download the stable version of hadoop installation package and decompress it to the/opt/directory. run $ sudogedi in the co

Hadoop series hive (data warehouse) installation and configuration1. Install in namenodeCD/root/softTar zxvf apache-hive-0.13.1-bin.tar.gzMv apache-hive-0.13.1-bin/usr/local/hadoop/hive2. Configure environment variables (each node needs to be added)Open/etc/profile# Add the following content:Export hive_home =/usr/local/hadoo