Fix: VirtualBox installation fails on macOS High Sierra 10.13.4

Just a quick note to remind myself how I fixed the problem installing VirtualBox 5.2.10 on a Mac laptop running 10.13.4. The installation seemed to go well until it reached the end and reported failing to install. I’ve had this issues for a few weeks already and Google for solution seems to have hit and missed until today. I finally found a solution posted here: Basically, I need to go the System Preferences and tick the box to allow ‘System software from developer “Oracle America, Inc....

May 8, 2018 · 1 min · 91 words · kenno

How to convert vdi to qcow2 image

vdi file is a type of disk image used by VirtualBox. qcow2, on the other hand, is the format of disk image used by KVM. Recently, I want to move some existing virtual machines running on VirtualBox to KVM. To do that I need to convert the disk image from vdi to qcow2. Here’s one way to achieve that: Ref: How to convert VirtualBox vid to KVM qcow2

July 3, 2016 · 1 min · 68 words · kenno

How to get IP of guest OS in VirtualBox

After upgrading my VM running Fedora 23 beta to the release version, Gnome Desktop Manager (GDM) no longer started again. This is the same issue with newer version of xorg-x11-*, and it’s not yet supported by VirtualBox 5.0. I previously posted a quick fix by downgrading xorg-x11-* packages. To do that, I need to ssh into the VM. Here’s how we can find the IP address of running VMs. Let’s list the VMs available:...

November 11, 2015 · 1 min · 117 words · kenno

Installing Linux Mint 17 on Virtualbox

You may or may not have problem installing Linux Mint 17 on VirtualBox depending on the setting of your Virtualbox VM. I had this problem and took me a while to fix it. Basically, ensure that you set the system memory of your VM to be larger than 512MB, otherwise you might see black screen after booting your VM from the Mint DVD installation. Once the installation is finished, feel free to reduce the VM’s system memory to 512MB or smaller....

October 21, 2014 · 1 min · 81 words · kenno