#APACHE HADOOP INSTALLATION ON CENTOS INSTALL#

This would install Java 8 in the machine. Sudo update-alternatives -set javac /DeZyre/jdk1.8.0_51/bin/javac Sudo update-alternatives -set jar /DeZyre/jdk1.8.0_51/bin/jar Sudo update-alternatives -install /usr/bin/jps jps /opt/jdk1.8.0_51/bin/jps 1 Sudo update-alternatives -install /usr/bin/javac javac /opt/jdk1.8.0_51/bin/javac 1 Sudo update-alternatives -install /usr/bin/java java /opt/jdk1.8.0_51/bin/java 1 Update the available files in your default java alternatives so that java 8 is referenced for all application sudo update-alternatives -install /usr/bin/jar jar /opt/jdk1.8.0_51/bin/jar 1 Decompress the downloaded tarball of java jdkДҐ.Wget -no-cookies -no-check-certificate -header 'Cookie: gpw_e24=http%3A%2F% oraclelicense=accept-securebackup-cookie'' Download java jdk(This tutorial uses Java 8 however Java 7 is also compatible ).This tutorial has used вЂњ /DeZyreвЂќ directory Change to the directory where you wish to install java.Note: This tutorial uses an Ubuntu box to install spark and run the application. LetвЂ™s install java before we configure spark. Java should be pre-installed on the machines on which we have to run Spark job. Standalone mode is good to go for a developing applications in spark. Driver runs inside an application master process which is managed by YARN on the cluster.Both driver and worker nodes runs on the same machine. Simplest way to deploy Spark on a private cluster.Along with that it can be configured in local mode and standalone mode. Spark can be configured with multiple cluster managers like YARN, Mesos etc. This tutorial presents a step-by-step guide to install Apache Spark.

Apache hadoop installation on centos