Can I Upgrade the Kernel on My VPS?

It is generally understood that a server running Linux needs to have a relatively recent kernel version or at least one that has been securely patched to fix any vulnerabilities. For dedicated servers, a kernel upgrade is not big deal; a simple install, reboot and you are done. For a virtual private server, it can […]

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 […]

Server OS Profile: SUSE Linux Enterprise Server

SUSE Linux Enterprise Server (SLES) has a colorful past. Like Red Hat Enterprise Linux, it was spawned from a commercial Linux distribution (SuSE Linux) primarily geared toward the desktop. In 2003, Novell acquired the german company SuSE Linux AG, and sought to reap the benefits from the already strong server base that the […]

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, […]

Choosing Between KVM and Xen

Virtualization can save you time and money when used efficiently. This has made it very popular for small, medium, and large sized data center operations. Whether you have a single server or a fleet of them, virtualization has its benefits.
KVM and Xen are two virtualization options for Linux servers, both with their advantages. Xen is […]

Virtualization Options in CentOS

Virtualization is a method that allows a system administrator to run one instance of an operating system (called a virtual machine) within another. Each virtual machine operates as though it were a standalone dedicated server of its own, but it is really depending on the resources of its host.
Many commercial vendors offer virtualization options for […]

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 […]