Citrix XenServer Creedence Tech Preview

Citrix has announced the availability of the “Creedence” tech preview of the next version of XenServer, building on the open-source Xen Project’s Creedence alpha.4 release. The biggest change in Creedence is the move to an all 64-bit implementation. While the Xen hypervisor has always been 64-bit and can run both 32 and 64-bit guest operating systems, …

Docker: What Is It? Hint: It’s Not a Harbour Worker

There is a lot of buzz about a “new” technology called Docker. I say “new” in quotes, because most of us greybeards should remember a technology called “containers,” circa 2004, and the arguments about which was better: virtualization or containers. Well, it seems that the wheel has turned full circle, and we are back in …

How Much Change Have You Seen?

How much change have you seen in the way in which IT departments determine the number of people needed to best serve the infrastructure, especially since the introduction of virtualization and cloud computing? I have observed that those companies that decided to make the leap all at once immediately dropped their number of hands-and-feet people …