linuxsysconfig

Oracle released updated versions for two of the current Virtual Box branches 4.1 and 4.2. Both of them include updates to improve stability and fix regressions. Apart from the usual bug fixes there are a few that are worth mentioning:   Virtual Box 4.1.26 (changelog) guest additions compile fix for kernel 3.8 and 3.9 fall-back [...]

Standard virtualization uses the physical machine as the host hypervisor which allows one to install virtual machines called guests. In nested virtualization the hypervisor is also a guest running inside a virtual environment and it can host its own virtual machines. Basically nested virtualization allows one to install a VM inside a VM. Some people [...]

Oracle announced VirtualBox 4.2.10, a maintenance released for the 4.2 branch which fixes a few bugs and improves stability. The most important changes for Linux are the added support for kernel 3.9-rc0 and the fixes for the Linux guest additions. If you already have VirtualBox-4.2 installed, the update is as simple as: sudo yum update VirtualBox-4.2 [...]

VirtualBox 4.2.8 was announced as a maintenance release that addresses several bugs. Since I’ve recently moved to 4.2 from 4.1, I decided to perform this minor update as well (I usually don’t unless there’s some important bug fix that I want implemented). For those that don’t have Virtual Box installed here’s how you do it [...]