Demystifying LDAP (11 tags)
Is LDAP a database or a protocol? Is it understandable and deployable without reading a thousand pages of explanation and documentation? Brian Jones untangles some of the myths and legends about LDAP to explain what it is, why it's useful, and how to put it to productive use.
A Beginner's Introduction to Perl 5.10 (7 tags)
Perl 5 has come a long way in the past few years. The newest version, Perl 5.10, added several new features to make your programs shorter, easier to maintain, easier to write, and more powerful. Here's how to start using modern Perl productively.
An Introduction to Ruby (6 tags)
Ruby is two parts Perl, one part Python, and one part Smalltalk. So says Colin Steele, a developer who is smitten with this "diamond in the rough" of scripting languages.
What Is the X Window System (5 tags)
Developed at MIT in 1984, the X Window System, now up to X11 release 6, or X11R6, has been the standard environment for Unix windowing systems. Ellen Siever provides some historical context for X's staying power, then discusses its major features: working with X and the X server and X clients; configuring X; and much more. Ellen is a coauthor of Linux in a Nutshell, 5th Edition.
An Introduction to FOAF (2 tags)
Friend-of-a-friend, FOAF, is an RDF vocabulary for machine-readable homepages. It enables the expression of decentralized social networks akin to the centralized ones seen in Friendster and Orkut. Leigh Dodds provides an introduction to FOAF and its use.