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• Download the freeware BatChmod, a GUI wrapper around the Unix "chmod" command.

http://macchampion.com/arbysoft/

• Drap and drop the entire Tomcat folder onto BatChmod.

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• Navigate to the Tomcat folder (apache-tomcat-5.5.16):

cd ~/apache-tomcat-5.5.16

• Run the startup script:

./bin/startup.sh

• You should see something like this:

Using CATALINA_BASE: /Users/basilbourque/apache-tomcat-5.5.16 Using CATALINA_HOME: /Users/basilbourque/apache-tomcat-5.5.16 Using CATALINA_TMPDIR: /Users/basilbourque/apache-tomcat-5.5.16/temp Using JRE_HOME: /System/Library/Frameworks/JavaVM.framework/Versions/1.5/Home

• Notice that somehow the startup script(s) have used Java 5 on Mac OS X even though it is not the default Java runtime at the command line. I hope to parse that script later to discover how they did this.

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• Add a rule to do port-forwarding from port 80 to Tomcat's default port 8080. Type this in the Terminal:
  sudo ipfw add 100 fwd 127.0.0.1,8080 tcp from any to any 80 in

Or use this nifty program, another GUI wrapper around the ipfw command line, Simple Port Forwarder: http://www.4dresources.com/files/

The Sharing SysPref will get cranky when you add an ipfw rule behind its back; it disables its user interface. To use the Sharing SysPref again you'll have to clear that rule, the one we added and numbered 100. To delete a rule, either read the ipfw man page, or use Simple Port Forwarder again. Quit the System Preferences program, and re-launch it to re-enable its Firewall panel.

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• Launch a web browser such as Safari.

• Goto: http://127.0.0.1/

Notice that we left off the port number this time, so the web browser defaults to port 80. Or you can explicitly say port 80: http://127.0.0.1:80/

• You should see the cute Tomcat logo on the welcome page.

• To be sure it is working, and not cached by the browser:

• Try another browser.

• Click the Reload button in the toolbar of the browser.

• Choose the Reload command, such as View > Reload Page in Safari.

(9) Walk the dog

• Enjoy an all-too-rare moment of computing satisfaction.

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