What is a Virtual Storage Appliance (VSA)?

The “Information Age” has left us with more information than we can easily handle. As a result, storage has become an industry in itself, and it is no longer just for backup and recovery. Simple access and retrieval can be difficult when you have terabytes of data to deal with. Virtualization has presented its own […]

Can One Virtual Machine Compromise the Security of Another?

One of the frequently mentioned benefits of VPS hosting is that it is more secure than shared hosting because your account is walled off from other accounts, allowing them to function as separate servers. Virtual private servers and virtualization in general are generally thought to be secure. So, can one virtual machine compromise the security […]

Full Virtualization vs. a Chroot Environment

Virtualization is extremely popular in the server world right now, and many organizations swear by it. Still, there are some IT people that will look at individual virtualization examples and say to you, “Why don’t you just use a chroot environment.” There are pros and cons to this method, and we will discuss the benefits […]

5 Benefits of Virtual Server Provisioning

In the old days, when you needed to deploy a new server, there was at least some legwork involved. You would have to find rack space, make sure the rack had enough power for a new server, install an image on the server, and, if the image is not exactly what you needed, customize it […]

When Is Enterprise-Level Virtualization Necessary?

Virtualization can save your organization a lot of money, so it is no surprise that it has become a popular tool for server deployment. What once required 4 dedicated servers may now only need one server running four virtual machines. While enterprise-level virtualization is inexpensive compared to actual hardware, it is still not free. To […]

Build an Open Source Private or Hybrid Cloud with Eucalyptus

Building your own private or hybrid cloud sounds rather difficult, but with the right solution, you can create a stable AWS-compatible cloud and have user-friendly tools to manage it. Eucalyptus is one such solution. It is a free and open source cloud platform that follows industry standards to deliver an AWS-compatible cloud solution.
Eucalyptus works by […]

How to Setup and Use KVM: Part 1

Virtualization is one of most important advancements in computing. It allows the user to run one operating system within another, accessing and interacting with the hardware as though it were running natively. Over the past decade, the technology has progressed to the point where you can now run a virtual machine at nearly the same […]

Managing Virtual Machines with Archipel

Virtualization gained many fans in 2011. More system administrators than ever before are seeing the benefit of creating virtual machines for a variety of purposes, from sectioning off business operations to hosting virtual private servers for customers. The more virtual machines you have, the more difficult it can be to manage all of them. Fortunately, […]

Virtual Windows Options on Linux Servers

In most circumstances, you will probably only run a single operating system on your server.  Dual booting makes little sense, as anything that normally runs on the other OS will be off while the current one is running.  For situations where you need two OSes, virtualization is a viable and increasingly popular solution.
On a Linux […]

How to Try Out Server Upgrades Before Installing

Major OS or software upgrades can be exciting for a system administrator, but they can also be a little frightening.  What if something breaks?  What if you lose everything and have hours or even days of down time?  This can be especially troubling if you have web applications and are […]

Using OpenVZ on CentOS

CentOS is one of the most popular Linux distribution for dedicated servers. This is largely because it provides the functionality and stability of Red Hat Enterprise Linux without the licensing and support fees.
OpenVZ is a free and open source virtualization solution that you can use to create virtual private servers (VPS). In OpenVZ’s […]

Long-term Server Virtualization

A virtual machine is a great tool for testing server implementations, web applications, and new operating system versions. It is also great for development environments and can even be used on mobile computers to make work easier. Nevertheless, there are also situations where you might benefit from long-term or permanent virtualization.
The essential premise […]

Using Virtualization to Host Multiple Operating Systems

In many cases, virtualization is used to create Virtual Private Servers (VPS), which essentially make small duplicates of the same operating system within directories that appear to the user as servers within themselves.
A VPS, however, is not the only use for virtualization. In some cases, you may actually want to run a completely different […]

Preparing to Host Virtual Private Servers

A Virtual Private Server or VPS is a way to have many of the benefits of a dedicated server without actually having one. For the customer, it means having his/her own server while still working in a managed system environment, at a fraction of the full server cost. For the owner of the […]