Installation

For installing the GeoKnow Generator Workbench you can have a preconfigured system within a debian package, or you can make your own configuration from sources.

Installing from the Debian Repository

The GeoKnow Generator UI is available in the Linked Data Stack repository. It supports the Ubuntu 14.04, 64bit LTS operating system. You need to install repository distribution described here. Then, you need to install the components as follows:

1. Virtuoso, set super user as dba/dba preferaby, as the workbench has these creedencials precinfigured, otherwise you may requre to configure the workbench later:

    # install virtioso with dba/dba as user/password
    sudo apt-get install virtuoso-opensource
   

Install form source

For installing from sources you can:

• Clone this repository or download a specific release,
• follow the configuration instructions and
• use maven package to package the sources in a war file and deploy it on a servlet container.

Tomcat Java Memory

It is required that you increase your Java heap memory in tomcat. You need to edit the default tomcat configuration:

	sudo gedit /etc/default/tomcat7

and set the following JAVA_OPTS:

	JAVA_OPTS="-Djava.awt.headless=true -Xmx1g -XX:+UseConcMarkSweepGC"

and restart tomcat:

	sudo service tomcat7 restart