PUBLIC MARKS from solrac with tag "system admin"

Linux continues to innovate in the area of file systems. It supports the largest variety of file systems of any operating system. It also provides cutting-edge file system technology. Two new file systems that are making their way into Linux include the NiLFS(2) log-structured file system and the exofs object-based storage system. Discover the purpose behind these two new file systems and the advantages that they bring.

Part 1 introduces the components and concepts you'll need to tune your system for power efficiency. Part 2 compares the five in-kernel governors: performance, powersave, userspace, ondemand, and conservative. Part 3 show you what results you can achieve by power tuning your system.

If you think streams and pipes make a Linux expert sound like a plumber, here's your chance to learn about them and how to redirect and split them. This article grounds you in the basic Linux techniques for redirecting standard IO streams. output to both stdout and a file.

This article grounds you in the basic Linux commands for manipulating files and directories. This article also helps you prepare for Objective 103.2 in Topic 103 of the Linux Professional Institute's Junior Level Administration (LPIC-1) exam 101.

Monitoring system logs or the status of a command that produces file or directory output are common tasks for systems administrators. Learn how to use two popular open source tools simplify these activities for modern systems administrators: the multitail and watch commands.

Green IT is one of the hottest of today's technology trends, and the GNU/Linux community has risen to the challenge. Along with several corporate partners, the GNU/Linux operating system provides solutions for dealing with power consumption, carbon emissions, and e-waste. See the eco-friendly advances of the GNU/Linux and FLOSS communities with green computing practices and how you can help the cause.

This article compares and contrasts some of the innovations of the latest releases of AIX 6.1, Solaris 10, and HP-UX. Learn the differences on how to work with certain tasks, such as networking and performance tuning. Also, see at a high level some of the virtualization differences among these big three. You decide what you prefer best.

Why is virtualization so important? The short answer is that virtualization enables businesses to lower their technology Total Cost of Ownership (TCO), while increasing their Return on Investment (ROI). What do the top UNIX vendors have to offer with respect to virtualization? Find out what virtualization is more scalable. Here's a look at HP's Virtual Server Environment (VSE), Sun's xVM, and IBM's PowerVM.

Wish you could have a dedicated, open source Web chat pop up in response to a system event that lets you know what's happening in real time. Your search is over with Ajax Chat, an application that's implemented in JavaScript, PHP and MySQL. You can get that function and much more with Ajax chat, a pop up chat perfect for System Adminstrators. Learn how to change configurations, and add as many alert channel as you want. Put this in your Admin toolbox, and become aware of system problems faster.