Graylog 2.3 installation with Elasticsearch5.5.X

I am going to install Graylog server 2.3  in Ubuntu 14. For graylog setup we need to install following Mongo DB and ElasticSearch. First install oracle jdk 8 sudo apt-get install python-software-properties sudo add-apt-repository ppa:webupd8team/java sudo apt-get update Oracle JDK 8: sudo apt-get install oracle-java8-installer To...

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R packages installation error solved

Most of the common error we are getting below  in R at the time of installing in R packages like(rJava,ggplot2...) Warning message: package ‘rJava’ is not available (for R version 3.0.2) In this post we ll see how to resolve this error. First login as root user  and type R and you ll get...

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Install R in Redhat 7.2

Installation of R in redhat is simple. First download the below file wget http://public-yum.oracle.com/public-yum-ol7.repo open the downloaded file and change enabled property into 1 vi public-yum-ol7.repo [ol7_latest] enabled=1 [ol7_addons] enabled=1 [ol7_optional_latest] enabled = 1 then  sudo...

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