#!/bin/sh set -e -x chown -R service:service "/data/" export RESULTDIR="/data" servicecmd='socat -T30 -s TCP-LISTEN:9000,reuseaddr,fork,end-close EXEC:"/service/printdoc",raw,pty,echo=0,stderr' while [ 1 ]; do su -s /bin/sh -c "$servicecmd" service done