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Linux has yet to displace Unix in the data center. Despite Unix server vendor consolidation, most data centers still run multiple flavors of physical Unix servers. That was the take-away from the 2010-11 Unix Vendor Preference Survey of 306 data center professionals conducted by Gabriel Consulting Group (GCG). GCG has been conducting its Unix surveys for five years, and focuses on physical systems, not virtual machines.

Google is famously secretive about its data centers, so a new video on its enterprise blog that gives a glimpse into the inner workings of its facilities is a rare treat. The video emphasizes security and environmental best practices. You can watch it after the jump.