Introduction to virtualization and how-tos news, help and research

Introduction to virtualization and how-tos News

February 19, 2016 19 Feb'16
Containers vs. VMs: It's not an either or proposition

Many think the choice between containers and virtual machines is an either or proposition. It's not – here's why.
December 05, 2011 05 Dec'11
Experience more important than VCP, VMware users say

The VMware Certified Professional is still a must-have virtualization certification, but with so many VCPs out there, IT pros say experience matters more than ever.
December 06, 2006 06 Dec'06
Virtual appliances: The risks and benefits

As server virtualization continues to gain acceptance, vendors and customers feel more and more confident to use it for a variety of tasks and not just to support for legacy applications and server consolidation. One more recent use for server ...

Bring yourself up to speed with our introductory content

What's the difference between Type 1 vs. Type 2 hypervisor?

Choosing between the two hypervisor types largely depends on whether IT administrators oversee an enterprise data center or client-facing, end-user systems. Continue Reading
A beginner's guide to hosted and bare-metal virtualization

Choosing a virtualization approach isn't a matter of competition. Admins must consider their personal use cases to determine which hypervisor type suits their needs. Continue Reading
Increase data center efficiency with the NSX-T load balancer

When creating a load balancer, the NSX-T Data Center software is a likely contender, but you must have the necessary NSX-T components, such as tier 0 and tier 1 routers, before beginning. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

Understand the differences between VPS vs. VPC

Both a VPS and a VPC distributes resources and hosts applications, but a VPS is, essentially, a VM used as a server, whereas a VPC is a full private cloud environment. Continue Reading
Full virtualization vs. paravirtualization: What are the key differences?

Full virtualization and paravirtualization both enable hardware resource abstraction, but the two technologies differ when it comes to isolation levels. Continue Reading
The history of virtualization and its mark on data center management

Virtualization was a huge leap in data center technology with software such as hypervisors and virtual switches that expanded organizations' capabilities and redefined IT. Continue Reading

Learn to apply best practices and optimize your operations.

Three key VDI installation decisions IT must make

Deploying VDI effectively comes down to several key decisions, including whether to run the back-end infrastructure on premises or with a DaaS provider. Continue Reading
Nine memory management techniques for virtual servers

Find out how techniques like memory compression, hypervisor swapping, memory ballooning and more can help you manage memory in your virtualized environment. Continue Reading
Develop and implement a strong virtual data center migration plan

Moving a virtual data center from one physical location to another is a big undertaking, and without a well-thought-out data center migration plan, you are sure to run into issues. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

Enable AMD-V in BIOS to remediate error codes

If admins are experiencing error codes due to AMD-V being disabled, they can easily remediate this issue by entering BIOS and reenabling the virtualization extension. Continue Reading
Top server sizing strategies for VMs

How many VMs can you put on a server? That depends on whether your hardware and virtual environment are well-matched. This tip offers four criteria to select the right servers. Continue Reading
Creating Linux container compute constrictions with cgroups

Use cgroups to limit the resources a virtual container can consume to prevent oversubscription and contention. Continue Reading