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Scripting, Part Two: Looping for Fun and Profit 1 Jul 2011 | 07:12 am
Crafty System Administrators who want to conserve energy need to learn the fine art of looping. Continue reading →
A Little (q)bit of Quantum Computing 30 Jun 2011 | 08:57 am
Recent news has put quantum computing into the spotlight. Is quantum computing almost here? Continue reading →
Extended File Attributes Rock! 30 Jun 2011 | 08:42 am
Worldwide, data is growing at a tremendous rate. However, one recent study has pointed out that the size of files is not necessarily growing at the same rate; meaning the number of files is growing ra...
Checksumming Files to Find Bit-Rot 29 Jun 2011 | 08:57 am
In a previous article extended file attributes were presented. These are additional bits of metadata that are tied to the file and can be used in a variety of ways. One of these ways is to add checksu...
Command Line Magic: Scripting, Part One 28 Jun 2011 | 09:37 am
Creating shell scripts is the lazy (smart) system administrator's way to automate and build intelligence into repetitive tasks. Continue reading →
What’s an inode? 10 Jun 2011 | 01:37 am
As you might have noticed, we love talking about file systems. In these discussions the term "inode" is often thrown about. But what is an inode and how does it relate to a file system? Glad you asked...
Making the Evolutionary Leap from Meerkat to Narwhal 9 Jun 2011 | 01:46 am
If you're using Maverick Meerkat (Ubuntu 10.10) or an older distribution, Natty Narwhat is a whole new animal. Continue reading →
SandForce 1222 SSD Testing, Part 5: Detailed Throughput and IOPS Analysis with a 2.6.38.2 Kernel 8 Jun 2011 | 01:51 am
In this series we've been working over the 2.6.32 kernel, which is a bit old. Let's kick the tires on a 2.6.38.2 kernel to see if it helps or hurts performance of the SandForce SSD. Continue reading →
Emailing HPC 7 Jun 2011 | 05:50 am
Email is not unlike MPI. The similarities may help non-geeks understand parallel computers a little better. Continue reading →
FAUMachine: First Impressions 23 May 2011 | 06:21 pm
If you'd like to try a new twist on virtualization, FAUmachine might be the next cool thing. Continue reading →
