# wget http://dist.codehaus.org/jetty/jetty-6.0.1.zip
# unzip jetty-6.0.1.zip
# java -jar jetty.jar
Included test applications is accessed via http://localhost:8080.
You may move jetty.xml to /etc folder and add JETTY_HOME to your environment. Default configuration is sufficient.
To add a new application just put the WAR file in the /webapps/ folder.