Tag Archives: virtualbox

oracle virtualbox oracle linux 8 requires elfutils-libelf-devel

if you have oracle virtualbox and want to run a red hat 8, centos 8 or oracle linux 8 vm you will need to install kernel-devel and elfutils-libelf-devel before you run VBoxLinuxAdditions.run

# dnf install kernel-devel
# dnf install elfutils-libelf-devel

# ./VBoxLinuxAdditions.sh

see also


Oracle VirtualBox 6 on 64bit OS VM list only showing options for 32bit VM guests and not 64bit VMs

Oracle VirtualBox 6 on 64bit OS VM list only showing options for 32bit VM guests and not 64bit VMs

  • Reboot into BIOS / UEFI
  • Enable VT and VT IO
  • Reboot into host OS

Oracle VirtualBox 6 should now let you build both 32 bit and 64 bit VMs


Oracle VirtualBox 6 VGA video support

Oracle VirtualBox 6 VGA video support

VirtualBox now lets you choose between 3 video cards graphics controllers

  • VBoxVGA – use this for legacy guest OSes
  • VBoxSVGA – use this for new VMs that use Linux or Windows 7 or later
  • VMSVGA – emulate a VMware SVGA graphics device

Oracle VirtualBox 6 BIOS EFI UEFI support

Oracle VirtualBox 6 BIOS EFI UEFI support

Oracle VM VirtualBox includes experimental support for the Extensible Firmware Interface (EFI), which is a new industry standard intended to eventually replace the legacy BIOS as the primary interface for bootstrapping computers and certain system services later.

By default, Oracle VM VirtualBox uses the BIOS firmware for virtual machines. To use EFI for a given virtual machine, you can enable EFI in the machine’s Settings dialog. See Section 3.5.1, “Motherboard Tab”.

oracle virtualbox 6.0.4 now available

VirtualBox 6.0.4 (released January 28 2019)

This is a maintenance release. The following items were fixed and/or added:

  • Virtualization core: support Shanghai/Zhaoxin CPUs.
  • User interface: handle command line arguments to VirtualBox correctly (bugs #18206 and #18197)
  • User interface: improvements to machine manager window, virtual optical disk creator, storage selector window and log viewer window
  • User interface: various small fixes and improvements
  • Audio: implemented time scheduling for the AC’97 device emulation to keep audio and video in sync
  • Graphics: basic support for VMSVGA graphics device in virtual machines using EFI
  • Network: fix occasional NATNet crashes (bug #13899)
  • Network: worked around problems in certain PCnet drivers on old operating systems
  • Serial: fixed connecting to pseudo terminals on POSIX hosts (6.0.0 regression; bug #18319)
  • Linux hosts and guests: fix for building kernel modules against Linux 5.0. Thank you Kyle Laker

why not browse the code or contribute to @oracle @virtualbox #virtualbox #virtualisation #sysadmin #webdev

why not browse the code or contribute to @oracle @virtualbox #virtualbox #virtualisation #sysadmin #webdev

if you sign up you might even get a mention on oracle.com

oracle #virtualbox 6.x and @linuxlite 4.x

oracle #virtualbox 6.x and @linuxlite 4.x

uninstall (preinstalled) virtualbox-* packages

ignore SCARY warning

Accept this solution? [Y/n/q/?] y
The following packages will be REMOVED:
linux-modules-4.15.0-34-generic{u} virtualbox-guest-utils 

then mount virtualbox iso then

# cd /media/virtualbox
# ./VBoxLinuxAdditions.run

finally reboot

note there is a bug with virtualbox 6.x and linuxlite 4.x screen does not autoresize so you have to manually change display size in the guest then resize your virtualbox window

stop press

auto screen resize now works after an

# aptitude safe-upgrade