asql allows you to run SQL queries against log files formatted in the Apache common log file format. You may load multiple log files into a session, then run queries using a full SQL implementation, to find things such as the most common referers to your site, the greediest downloaders, and much more. Internally, each log file is parsed and imported into a temporary SQLite database, so performance is very good.
Documentation .. Personally I found the info documentation a little hard to get to grips with, but I found the GNU Autoconf, Automake, and Libtool (http://sources.redhat.com/autobook/) b...
Re: screen for X? > A proxy for X *does* exist, but don't ask me about the details. It does indeed. It's called XMove (http://www.ensta.fr/internet/unix/misc/xmove.html)...