Ceph: A Linux petabyte-scale distributed file system

Linux® continues to invade the scalable computing space and, in particular, the scalable storage space. A recent addition to Linux’s impressive selection of file systems is Ceph, a distributed file system that incorporates replication and fault tolerance while maintaining POSIX compatibility. Explore the architecture of Ceph and learn how it provides fault tolerance and simplifies …

How to remove Mono from Ubuntu 10.04 Lucid Lynx [Updated] | The Open Sourcerer

To remove Mono from your shiny new desktop installation of Ubuntu 10.04 Lucid Lynx enter the following command (after taking the usual precautions like backups of your data etc): sudo apt-get purge libmono* libgdiplus cli-common libglitz-glx1 libglitz1 The Open Sourcerer.

Why Our Civilization’s Video Art and Culture is Threatened by the MPEG-LA

We’ve all heard how the h.264 is rolled over on patents and royalties. Even with these facts, I kept supporting the best-performing “delivery” codec in the market, which is h.264. “Let the best win”, I kept thinking. But it wasn’t until very recently when I was made aware that the problem is way deeper. No, …

VisualVM

VisualVM is a tool to monitor and troubleshoot Java applications. It runs on Sun JDK 6, but is able to monitor applications running on JDK 1.4 and higher. It utilizes various available technologies like jvmstat, JMX, the Serviceability Agent (SA), and the Attach API to get the data and automatically uses the fastest and most …