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1. Install R and JGR. Read how to install on Ubuntu.

2. Include Page
   WST:Setting up JRI WST:Setting up JRI

3. In Eclipse, go to "Run" -> "Run Configurations" -> choose your server.
   1. In the "Environment" tab, you'll have to set the "R_HOME" environment variable before tomcat launches.
   2. In the "Arguments" tab, add to the "VM Arguments" the following, for example: -Djava.library.path=/path/to/jri/installation

Alternative directions:

Optional: If you want your system to compute advanced statistics about your project, you'll need to install the R Project.

1. 1. Install R and JGR:
      1. On Ubuntu,  read how to install on Ubuntu-- in these directions, you can probably ignore the first few directions and skip straight to "apt get ..."
   2. Edit your tomcat launch file. You'll have to set the "R_HOME" environment variable to where your R home directory is:
      1. In Linux:
         1. Find your R_HOME location -- probably something like /usr/lib/R or /usr/lib64/R.
         2. Edit catalina.sh and add this after the first line: "export R_HOME=/path/to/your/R/installation"

   3. Include Page
      WST:Setting up JRI WST:Setting up JRI

      1. Edit your tomcat launch file.
         1. In Linux, edit apache tomcat/bin/catalina.sh and add to your JAVA_OPTS line at the end before the quote: -Djava.library.path=/path/to/jri/installation