core-admin/qvm-tools/qvm-console-dispvm

#!/bin/bash
print_usage() {
cat >&2 << USAGE
Usage: $0 vmname
Connects to VM console throught DispVM using the qubes.ShowInTerminal RPC service.
USAGE
}

if [ $# -lt 1 ]; then
    print_usage
    exit 1
fi

QREXEC_REQUESTED_TARGET="$1"

qvm-check --quiet --running "$QREXEC_REQUESTED_TARGET" > /dev/null 2>&1 || { echo "Error: domain '$QREXEC_REQUESTED_TARGET' does not exist or is not running"; exit 1; }

DISPVM="$(qvm-prefs "$QREXEC_REQUESTED_TARGET" management_dispvm)"

[[ "x$DISPVM" == "x" ]] && { echo "Error: cannot determine default DispVM to use"; exit 1; }

sudo qvm-run -p --localcmd="QREXEC_REQUESTED_TARGET=$QREXEC_REQUESTED_TARGET /etc/qubes-rpc/admin.vm.Console" --service --dispvm="$DISPVM" -- qubes.ShowInTerminal