Cannot Install VirtualBox Guest Additions: Installer Hangs

Problem For a CentOS based guest, the update of the VirtualBox Guest Additions hangs after the step: "Removing exiting VirtualBox non-DKMS kernel modules" Solutions Check the log file in /var/log/VBoxGuestAdditions-uninstall.log. See if there is anything obvious reported there you can fix. Check if your RAM disks are valid by running the command `sudo lsinitrd`. If … Continue reading Cannot Install VirtualBox Guest Additions: Installer Hangs

Convert Dynamically Sized VirtualBox VDI Hard Drive to Fixed Size

The Problem You have got a dynamically sized, VDI virtual hard drive in VirtualBox and would like to convert it into a fixed size hard drive. You are using Windows. The Solution Locate VBoxManage.exe on your machine. It should be in the VirtualBox program directory (usually found under C:\Program Files\Oracle\VirtualBox) . Open a command prompt … Continue reading Convert Dynamically Sized VirtualBox VDI Hard Drive to Fixed Size