One goal of HPC administration is effective monitoring of clusters. In this article, we talk about writing code that measures processor and memory metrics on each node.
Cloud computing is forcing admins to rethink automation because classic tools like Puppet do not provide a sufficient range of configuration options. Cloudify offers a new direction for orchestration in the cloud.
Most operating systems claim to be secure; however, most fail terribly. Newcomer Qubes OS tries a different approach, relying on a microkernel and pervasive virtualization.
http://www.linuxpromagazine.com/Online/Features/Qubes-OS
The Joblib Python Library handles frequent problems – like parallelization, memorization, and saving and loading objects – in almost no time, giving programmers more freedom to push on with their core tasks.
User testing is often limited in free software. However, long-time advocate Deb Nicholson is developing a simple but effective way around the limitations: getting developers and users together and calling the result SpinachCon.
http://www.linux-magazine.com/Online/Blogs/Off-the-Beat-Bruce-Byfield-s-Blog/The-birth-of-SpinachCon
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