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I have changed number of cpu cores with following command:

VBoxManage modifyvm "Ubuntu_16_04" --cpus 4

When I check with

vboxmanage showvminfo Ubuntu_16_04 --details

I get:

Number of CPUs:  4

But when I login onto guest machine:

cat /proc/cpuinfo

Result is:

cpu cores   : 1

Host and guest machines are ubuntu server 16.04. What could be a problem? Thank you

  • Did you reboot the VM after changing the setting? – Tero Kilkanen Apr 12 '17 at 17:11
  • @TeroKilkanen yes – iWizard Apr 12 '17 at 17:14
  • Did you ever solve this? – Mitchell van Zuylen Aug 7 '19 at 13:19

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