I am new to Linux and Ubuntu. I installed the latest Ubuntu LTS 14.04.3 over Virrtualbox version 5.0.12. The problem is I cannot get proper resolution. It is just 800x600 default and I want to set it to 1920x1024 but am not able to do so. The resolution option in display setting is disabled. It might be some basic setting but since I am new I don't know. Can somebody help me out? I also don't see auto resize Guest Display as active in view settings..


When running your Ubuntu in VirtualBox, click above on Devices and then click on Insert Guest Additions CD image

Guest Additions improve guest OS stability and performance.

More informations can be found at: https://www.virtualbox.org/manual/ch04.html

I recommend to install VirtualBox Extension Pack (it contains lot of drivers) found at: https://www.virtualbox.org/wiki/Downloads

Extension pack include:

  • The virtual USB 2.0 (EHCI) device
  • The virtual USB 3.0 (xHCI) device
  • VirtualBox Remote Desktop Protocol (VRDP) support
  • Host webcam passthrough
  • Intel PXE boot ROM
  • Experimental support for PCI passthrough on Linux hosts
  • Disk image encryption with AES algorithm
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