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breautek/startvm.sh

Created December 20, 2018 14:07
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VM Start with specific Date time (linux host/windows guest)
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startvm.sh
#The directory that contains VBoxManage
vbox_path="/usr/bin/"
#This should be your VM name
vm_name="<YOUR_VM_NAME>"
#Use http://epochconverter.com to find the desired time
start_utc=1489325734
#DO NOT CHANGE ANYTHING BELOW THIS LINE
now_utc=`date +%s`
diff_utc=$((start_utc*1000 - now_utc*1000))
echo "START UTC:" $start_utc " DIFF UTC:" $diff_utc " NEW UTC:" $now_utc
cd $vbox_path
./VBoxManage setextradata $vm_name "VBoxInternal/Devices/VMMDev/0/Config/GetHostTimeDisabled" "0"
./VBoxManage setextradata $vm_name "VBoxInternal/TM/TSCTiedToExecution" 1
./VBoxManage modifyvm $vm_name --biossystemtimeoffset $diff_utc
./VBoxManage startvm $vm_name
@Noir-
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Noir- commented May 3, 2019

You can change $vm_name to "$vm_name" to fix issues with special characters like whitespaces in the name of the VM.

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