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 […]
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 […]
Vitualization is a process that allows one operating system (the host) to run a full version of another operating system (the guest) within itself. Unlike emulation, where the host must also simulate the hardware, virtualization allows the guest to interface directly with the system’s hardware. As such, virtualization requires both the host and guest […]
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 […]
The terms VPS (virtual private server) and VDS (virtual dedicated server) are often used interchangeably. While quite similar and equivalent in many ways, there are some notable differences. Hyper V, the virtualization software used to power most virtual dedicated servers, offers a level of power closer to that of a dedicated server, giving […]