refuse to create a medium with an invalid variantįor Snapshots, the developers say that “none of the hard disk attachments must be attached to another VM in normal mode when creating a snapshot.”Ī couple of USB fixes are mentioned, one of which allows for proper device detection on RHEL/OEL/CentOS 5 guests. a saved VM could not be restored under certain circumstances after the host kernel was updated fixed hang under rare circumstances with flat VMDK images In this particular area, Oracle mentions the following changes: VirtualBox 4.0.10 is now here with the usual bag of fixes and enhancements, starting with a GUI tweak, which fixes disappearing settings widgets on KDE hosts, then moving onto Storage.

It can hold various guest operating systems ranging from Windows, and Linux to Solaris and Open BSD.

VirtualBox is a good alternative to pricey virtualization solutions like VMware Fusion and Parallels. The free, open source virtualization solution from Oracle, VirtualBox has added support for Apple’s upcoming major revision of the Mac OS, Lion.

Oracle vm virtualbox mac os x