This is my (Zach Dwiel's) wiki. I am currently experimenting with various methods of organizing my thoughts, ideas, current projects, etc. * [[Axpress]] - this is it * [[BrowserServerLatency]] - An attempt at measuring the time it takes for a button click in a browser to be processed by a local server. Projects: * [[MM]] - A graphical programming system where devices are piped or wired together in order to control the flow of data. Devices are programmed in a simple but powerful language Lua. * [[IndependentProject]] - A project I am working on for credit here at Washington University. It is an investigation into the use of a formal grammar mapped to SPARQL queries (into an RDF store) as a primary framework for a very simple and intuitive user interface. Some examples of the types of commands that I'm considering: [[Commands]]. === blog?: Sep20 - Xavante web server running as a normal user on port 80 I made a few changes to this wiki to make it a bit more secure and easier to update. It had previously been running as root which is a bit unecessary. It turns out that you have to have root privileges to be running on port 80. So instead, it is running on port 8080. To get it to look like it is on port 80, I ran the following line: sudo iptables -t nat -A PREROUTING -i eth+ -p tcp --dport 80 -j REDIRECT --to-port 8080 It routes all incoming traffic from port 8080 to 80. This exact line in from the [Caucho installation FAQ](http://www.caucho.com/resin-3.0/install/faq.xtp) but I found supporting evidence and similar lines at [linux.org](http://linux.org.mt/article/tomcat-ports) and [rifers.org](http://rifers.org/wiki/display/RIFE/Installing+Tomcat+on+port+80+with+iptables). Later I came back and wanted to get rid of this rule. I did so by typing sudo iptables -t nat -D PREROUTING -i eth+ -p tcp --dport 80 -j REDIRECT --to-port 8080 which is the exact same command that I used to add the rule but with a -D rather than a -A. === Sep17 my [del.icio.us](http://del.icio.us/dwiel) bookmarks my [last.fm](http://last.fm/user/dwiel) page === Sep12 So I just typed explination of rdf into google. The top result is [this](http://del.icio.us/dwiel/rdf) - my own tags at del.icio.us of rdf, complete with a page tagged with both explination and rdf. Maybe I should learn to spell better... Maybe I should come up with all my own spellings...