Eddie Young provides an account of trials and implementations carried out here after Matt Thrower gives us the background and benefits of employing virtualisation. <a href="/issue51">issue51</a> April 2007 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/538/author-info">eddie young</a> Eric Lease Morgan describes sibling Web Service protocols designed to define a standard form for Internet search queries as well as the structure of the responses. <a href="/issue40">issue40</a> July 2004 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/775/author-info">eric lease morgan</a> Performance and Security - Notes for System Administrators: Andy Powell offers some hints and tips on the performance and security aspects of running electronic library services on UNIX based machines. <a href="/issue8">issue8</a> March 1997 <a href="/category/article-type/tooled">tooled up</a> <a href="/taxonomy/term/354/author-info">andy powell</a>