Skip to main content

VirtualBox: 64-bit Guest OS

VirtualBox and Hyper-V

While playing with Vagrant, VirtualBox, and MongoDB on my old ASUS ROG Generation 1 - which has Intel Q720 CPU and runs Windows 10 64-bit - I ran into this error.

VT-x is not available(VERR_VMX_NO_VMX).
VirtualBox error: Intel VT-x is not available

Also, VirtualBox list only 32-bit version for guest OS.

It is so weird because I can installed Ubuntu 64-bit as guest OS in VirtualBox while booting this laptop in Windows 7 64-bit.


I tried removing Hyper-V feature and reboot.


VirtualBox now display 64-bit version of guest OSes.


And Vagrant works too.

Popular posts from this blog

Linux command: lspci

Linux command: lspci - list pci devices tuyendq@ubuntu001:~$ man lspci NAME        lspci - list all PCI devices SYNOPSIS        lspci [options] DESCRIPTION        lspci is a utility for displaying information about PCI buses in the system and devices connected to them.        By  default,  it  shows a brief list of devices. Use the options described below to request either a more verbose output or output intended for parsing by        other programs.        If you are going to report bugs in PCI device drivers or in lspci itself, please include output of "lspci -vvx" or even better  "lspci  -vvxxx"  (however,        see below for possible caveats).        Some  parts of the output, especially in the highly verbose modes, are probably intelligible only to experienced PCI hac...

RHEL: firewall-cmd

firewall-cmd - firewall d c om m an d line client

DOS Commonly Used Commands