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VirtualBox: List guest IPs

I often clone VirtualBox machines as a quick way to get a fresh box to test some stuff on. The problem is, I don't know which IP the new clone gets assigned. Fortunately, if you've got VirtualBox Guest Additions installed on the guest, you can use the guestproperty to get the IP.

Here's a quick shell script for listing the v4 IPs of all the running guest virtual machines.

#!/bin/sh

VBoxManage list runningvms | cut -d "{" -f1 | sed "s/\"//g" | while read VBOXNAME; do
    IP=$(VBoxManage guestproperty get "$VBOXNAME" /VirtualBox/GuestInfo/Net/0/V4/IP | cut -d":" -f2)
    echo "$VBOXNAME: $IP"
done

P.S. If you're using Debian guests: delete the /etc/udev/rules.d/*persistent-net* files. See here for why.

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