scripts

Managing clusters with bash scripts..."In late 2004, Google surprised the world of computing with the release of the paper MapReduce: Simplified Data Processing on Large Clusters. That paper ushered in a new model for data processing across clusters of machines that had the benefit of being simple to understand and incredibly flexible. Once you adopt a MapReduce way of thinking, dozens of previously difficult or long-running tasks suddenly start to seem approachable–if you have suffic... [more]

The gnuplot package can be used to generate some very slick two and three dimensional graphs. Tools such as IOzone make use of gnuplot to generate three dimensional plots letting you see the relative effect that the size of IO requests has on performance.

An interesting approach to condensing a fairly simple Perl script... "This is a fairly banal concept (and most probably well-overdone ;), so the spin we're going to put on it for this 2-parter is to present the Perl script (Suitable for running on any Unix or Linux distro) we've written to do this, first, in its completely "lame" format..."

This tutorial assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction . . . all the while sneaking in little nuggets of UNIX wisdom and lore. It serves as a textbook, a manual for self-study, and a reference and source of knowledge on shell scripting techniques.