Connect to QEMU unix socket serial port

connect-qemu-serial.sh

#!/bin/sh
SOCKDIR="/var/lib/qemu/sockets"

HOSTNAME="$1"
if [ -z "$HOSTNAME" ]
then
    echo "usage: $0 HOSTNAME" >&2
    exit 1
fi

SOCKET="${SOCKDIR}/serial.${HOSTNAME}.socket"
if [ ! -e "${SOCKET}" ]
then
    echo "error: socket ${SOCKET} does not exist" >&2
    exit 1
fi

echo "Starting Console... (ctrl+q to quit)"
exec socat stdin,raw,echo=0,escape=0x11 "unix-connect:${SOCKET}"