Technology and Technology

ElasticSearch Installation: The version we want to install is 2.x (latest sub version of 2). First we have to install java on centOS machine with following command: sudo yum install java-1.8.0-openjdk.x86_64 Install Public Signing Key:   rpm --import https://packages.elastic.co/GPG-KEY-elasticsearch Create new repo in your /etc/yum.repos.d/ directory. For example I have created elasticsearch.repo here. /etc/yum.repos.d/elasticsearch.repo -------------------------------------------------------------------------------------------- [elasticsearch-2.x] name=Elasticsearch repository for 2.x packages baseurl=http://packages.elastic.co/elasticsearch/2.x/centos gpgcheck=1 gpgkey=http://packages.elastic.co/GPG-KEY-elasticsearch enabled=1 --------------------------------------------------------------------------------------------- Now Elasticsearch 2.x will avilable for installation using yum   yum install elasticsearch After installation enable the service a...