If you’ve ever seriously used a Linux system, you’re probably already familiar with at least the basics of ssh. But you’re hungry for more. In this post, we’ll show you six ssh tips that’ll help take you to the next level. (We’ve also found that they make for excellent cocktail party conversation talking points.)

Linux has a good selection of versatile open source screenshot programs, both graphical and console based. The two most popular desktop environments, GNOME and KDE, each offer a competent screenshot utility. However, the functionality offered by their screenshot utilities is relatively basic. Furthermore, many Linux users prefer to use a more lightweight desktop environment. For the most feature-rich dedicated screenshot utility, look no further than Shutter (formerly known as GScrot). This tool receives our highest recommendation.

The SELECT statement is without question the most complex amongst MySQL’s data manipulation statements. Not surprising when you consider that the foremost purpose of structured query language (SQL) is to retrieve information from a relational database which adheres to a given criteria. Entire books have been written about how to construct a query to fetch the data that you’re after. That’s not the purpose of this article. Our goal will be to cover the syntax of the SELECT statement and gain an understanding of its many optional clauses. We’ll start at the beginning and work our way through them. When we’re done, you’ll understand which clauses to use for different purposes. We’ll leave the twenty table joins for another day.

Here's how to run Windows, Mac, and Linux simultaneously and pain-free as possible.

To get a quick idea of where we're headed, check out the video above, which demonstrates my Windows 7 system running OS X and Ubuntu through VirtualBox. Below, we'll build on on the basics you learned in our beginner's guide to creating virtual machines with VirtualBox. We'll show you how to easily install new operating systems (including Mac OS X and Linux) and optimize your installation with shared folders and software to help your virtual machines communicate with your main OS. We'll also do a little extra work to get the newest release of Snow Leopard to play nice, even though it's not fully supported yet.

In particular, openSUSE 11.3 is the distribution for people who like the KDE 4.x desktop. While openSUSE offers baked-in support for more other desktop interfaces than most Linux distributions, such as GNOME 2.30.1 with a preview of GNOME 3.0 and the lightweight XFCE 4.6.2, it's really the showcase for the latest in the KDE 4.4.4. While I'm still fond of the older KDE 3.5.x desktop interface, many users are fond of KDE 4.4 and, if you're one of those people, openSUSE 11.3 is the Linux distribution for you.

• Ubuntu Linux solution stack Part 1: Introduction to the UNIX environment
  
• Ubuntu Linux solution stack Part 2: Solution stack download and installation
  
• Ubuntu Linux solution stack Part 3: Demo application
  
• Ubuntu Linux solution stack Part 4: Solution stack setup and integration