Which certification should I pursue and what should I use as preparation? I am seeing more Linux servers in businesses in my area and more ads in the paper for some type of Linux certification. Which certification should I pursue and what should I use as preparation?Linux\u00a0certification, you need to start with some research. First, build a running tally of what Linux requirements are listed in the newspaper ads you've seen. Check Internet job boards, such as Monster.com and Hotjobs.com, to see what's being requested. Call some of the recruiters listed on the job boards and some in your area to see what Linux demands they are seeing. Remember, not all the jobs may get listed. Look for a local Linux users group that can be a source of what certifications they feel are the best and a potential source of jobs as well.Linux+\u00a0from the folks at CompTIA and\u00a0LPI Level 1\u00a0from Linux Professional Institute. A newcomer on the scene worth looking at is\u00a0Novell's Certified Linux Engineer, due to their recent acquisition of SuSE Linux. As with any certification, you will be able to find both instructor-led and self-study options. The next thing to consider is what version of Linux to study with. The two most used distributions in my part of the country are RedHat and SuSE Linux. While both are based on the same Linux kernel, how you configure them and deal with the peripherals will be slightly different.- Via the InternetBefore choosing a particular\u00a0The two more common certifications I have found are\u00a0You will want to use at least a couple of computers so you can get a feel for how a Linux workstation can talk to a Linux server. If you don't have a couple of PCs that can be put to this use, another option is to get VMWare or Virtual PC, and with some extra memory in the computer, you can create a virtual Linux network using just a single machine. The next suggestion I can provide is practice, practice, practice.