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Tips and Tricks

  • In scale-mode devices and various menus for Virtual-box VM are not shown
  • To install guest additions following packages should be installed
    1. gcc
    2. make
    3. kernel-devel
  • To install Guest additions in Cent-OS 6.4 run
  • Use the devices menu to passthru USB devices instead of settings for a VM


To convert KVM Image to virtualbox one can use 'VBoxManage' tool provided by VirtualBox. The option 'convertfromraw' can be helpful in such situation. Syntax for command is

VBoxManage convertfromraw <input-file> <output-file> --format VDI