I have to use setenv.sh to set system properties. I am using Linux OS and Tomcat Server 6. As described here Linux Environment- setenv.sh , I have created a setenv.sh in tomcat/bin, and the only think I added is the export JAVA_OPTS =”-Dmyprojectvar.subname=value -Danothervariable=value -Danother.variable=value” I dont know, is this enough to set the properties. I just want to add three properties to tomcat as system property using setenv.sh. What should I do to complete it successfully? What are the steps for it?I saw this question setenv.sh is not working in http://stackoverflow.com/. No is answer given there and ,even ,I don't understand the question. ie, Do we need to set CATALINA_HOME and other properties somewhere in setenv.sh?.