Look at what just one message in my Twitterstream has led to and it’s impossible to deny that the sharing we do as educators in social media spaces is meaningful.

Ganeti is a tool for managing virtual instances across a cluster. Learn how to install this open source cluster-management tool on your Linux system using Xen as the hypervisor, and get it to work on a two-node cluster.

Modern data centers with large number of Linux servers and heavy use of virtualization often don't have the tools they need to handle system version control and modeling. "Twenty years ago, most companies had tens of servers to manage," said Erik Troan, founder and chief technology officer of rPath. 

Whether or not you're among the throngs hurriedly trying to get everything wrapped before the end of the week, it's a good time to consider some end-of-the-year giving. So why not send some money towards open projects? Read more... read more...