Articles tagged with virtualization

1. XenServer 5.6 cdrommon Consumes All CPU Resources

   Posted on September 01, 2010 in System Administration

   Users of Citrix XenServer 5.6 are experiencing a problem where the cdrommon process begins consuming all CPU resources and affecting virtual machine performance. Using 'top' or 'ps auwx' from dom0 shows that the process is consuming 99% or more CPU resources. Users of Xen Cloud Platform (XCP) 0.5 …

2. Engineering Firm Moves Away From VMware

   Posted on August 28, 2010 in IT Management

   Engineering firm CH2M Hill recently began moving away from VMware ESX to Microsoft's Hyper-V. CH2M Hill has been using VMware technology since 2005, but recently began the push toward Hyper-V in an effort to increase savings through more virtualization. The engineering firm believes it will save over \$280,000 in …

3. VirtualBox 3.2.8 Released

   Posted on August 24, 2010 in Software

   Oracle's VirtualBox 3.2.8 has been released. This is a maintenance release that mainly focuses on bug fixes rather than new features. Although I don't think the changes in this release are as prolific as the fixes in 3.2.6, it's definitely worth downloading.

   One key feature buried …

4. Daniel Feller's Top 10 Virtualization Mistakes

   Posted on August 13, 2010 in System Administration

   Daniel Feller, Lead Architect at Citrix Systems, recently concluded a series of blog posts highlighting the top ten desktop virtualization mistakes made by implementers. Here is a summary of the mistakes and links to Daniel's blog.

   <!--more-->

   1. Storage Misconfiguration
      Daniel points out that implementers tend to focus on capacity and …

5. NTP and Your Xen-based Linux VM

   Posted on August 05, 2010 in System Administration

   As every system administrator is aware, keeping precise time on your servers can be critical. For example, if you use QueueMetrics for your Asterisk-based call center and the QM and MySQL servers are running with different times, users will notice confusing behavior as calls seem to arrive in the future …

6. VirtualBox Receives Another Incremental Update

   Posted on March 25, 2010 in Software

   After all this time, I still love VirtualBox, the open source hypervisor from Sun (now Oracle). I use it almost everyday on my iMac to either test something in Windows XP or see what's going on in some version of Linux. It's been almost a year since the release of …

7. VirtualBox 3 is ready

   Posted on July 22, 2009 in Software

   I use VirtualBox to run a Microsoft Windows guest on my iMac. For some reason, VirtualBox did not notify me that version 3.0 had been released. This new version includes symmetric multi-processing (SMP) for guest systems, Direct3D 8 and 9 for Windows guests, and OpenGL support for Windows, Linux …