Resource Library

Network security is everyone's concern, and this applies to computer security as well. Many security breaches occur due to user ignorance of basic security principles, not malicious intent. Network and computer security are like an onion - there are multiple layers. Good security begins with understanding what you can do to keep your systems safe and implementing a layered approach. If you depend on one program or feature to secure your computer, then when (not if, but when) that dependency is breached, you may have personal information stolen or even have your computer taken over.

Prepping for a Microsoft certification exam? Global Knowledge's own Tracy Wallace has you covered with these six tips for passing any Microsoft exam.

IT administration tasks have usually required manual, point and click operations. Those days are gone; not only is manual action no longer necessary, but your IT technologists can’t afford the time to manually do what can be easily automated and taken off their plate. PowerShell provides an intuitive way to turn time-consuming grunt work into simple, repeatable, scriptable commands. Is your organization taking advantage of PowerShell? Your competitors are. View the slide deck>

Building on command line skills for Linux administrators.

Advanced skills for the experienced Linux administrator.

Fast track to RHCE certification for senior Linux system administrators

Fast track to RHCSA for experienced system administrators

When we learn a concept for the first time, the newness of it tends to become embedded with the learning process. We remember the new idea's significance and forever after remember it as new. The initial impact of a discovery can prevent the concept from aging. At the same time, we realize how quickly technology advances. Is it time to evolve your expertise?

Many experts agree that memory is the most important resource with regard to SQL Server performance. There are hundreds of performance counters, and therefore, it can be complex to figure out just what to monitor. Here are some suggestions in understanding whether memory pressure might be the performance problem with your SQL Server.

IT architecture is undergoing a period of rapid change and evolution. With this change comes enormous opportunity for professionals who are not just deep in a single technology but deeply conversant in several and who can join these technologies together to meet the needs of today's enterprise. The Red Hat Certified Architect program provides a credential that represents these skills and knowledge. Through a combination of flexible requirements and recommended concentrations, Red Hat is providing a path for professionals to advance their careers and for its subscription customers to find the right architect.