Xrdp mit LXDE geht - aber kein Ping für Non-Root?

localhost:~# su xrdp sh -c "ping 151.1.1.1"

echo "USERID=root" >> /etc/default/xrdp
/etc/init.d/xrdp start

param3=-geometry
param4=480x480

# Script based on http://www.saurik.com/id/10 as well as on
# http://www.elitehardware.de/debian-unter-android-pm-8.html

mnt=$ANDROID_DATA/local/mnt
img=$EXTERNAL_STORAGE/debian.img

if ! ls $img >&- 2>&-
then
  echo "$img not found. You may re-insert your SD-Card and/or unplug USB"
  exit 1
fi

if ! ls ${0%/*}/unionfs.ko >&- 2>&-
then
  echo "${0%/*}/unionfs.ko not found. This kernel module is required."
  exit 1
fi

if ! ls -d /proc/$PPID/status >&- 2>&-
then
  if ! ls ${0%/*}/busybox >&- 2>&-
  then
    echo "${0%/*}/busybox not found. This script does not run with the android/BSD shell."
    exit 1
  fi
  exec ${0%/*}/busybox ash $0 $*
fi

if [ "$1" = "umount" ]
then
  for m in $(sed -n 's/^unionfs //p' /proc/mounts|cut -d' ' -f1)
  do
    umount $m
  done
  umount $mnt
  exit
fi

grep -q ^unionfs /proc/modules || /system/bin/insmod ${0%/*}/unionfs.ko
grep -q " $mnt " /proc/mounts || mount -o loop,noatime $img $mnt

if [ -d $mnt/debootstrap ]; then
  PATH=/usr/sbin:/usr/bin:/sbin:/bin && chroot $mnt /debootstrap/debootstrap --second-stage
fi

mount -o remount,rw /

#if [ ! -d /tmp ]
#then
#  mkdir /tmp
#  mount -t tmpfs tmpfs /tmp
#fi

for d in $mnt/*
do
  s=/${d##*/}
  [ "$s" = "/etc" ] && s=/system/etc
  if [ ! -h $s ] && [ -d $d ]
  then
    if ! cut -d' ' -f2 /proc/mounts|grep -q \^$s\$
    then
      if [ -d $s ]
      then
        mount -t unionfs -o dirs=$d=rw:$s=ro unionfs $s
      else
        ln -s $d $s
      fi
    fi
  fi
done

# Fix empty sources.list for 'apt-get update'
if [ ! -s $mnt/apt/sources.list ]
then
  cat<<EOF>$mnt/etc/apt/sources.list
deb http://ftp.de.debian.org/debian lenny main
deb-src http://ftp.de.debian.org/debian lenny main
EOF
fi

# If no /etc/mtab, the debian mount command shows nothing
[ -f /etc/mtab ] || ln -s /proc/mounts /etc/mtab

# Note: Mounting readonly triggers a bug in dpkg currently
# rmdir("//..dpkg-tmp") = -1 EROFS (Read-only file system)
#mount -o remount,ro /

#if [ -f /etc/initdeb ]
#then
#  echo "running /etc/initdeb"
#  /etc/initdeb
#else
#  echo "creating /etc/initdeb"
#  touch /etc/initdeb
#  chmod +x /etc/initdeb
#fi

export PATH=/usr/sbin:/usr/bin:/sbin:/bin
export TERM=xterm
export HOME=/root

case "$1" in
  x|xrdp)
    for file in xrdp sesman; do
      if [ -f /var/run/xrdp/$file.pid ] && [ "/usr/bin/$file" != "$(cat /proc/$(cat /var/run/xrdp/$file.pid)/cmdline 2>&-)" ];then
        rm -f /var/run/xrdp/$file.pid
      fi
    done
    exec /etc/init.d/xrdp start
  ;;
  X)
    /etc/init.d/xrdp stop
    pidof -s xrdp >&- && killall -KILL xrdp
    pidof -s sesman >&- && killall -KILL sesman
    rm -f /var/run/xrdp/xrdp.pid
    rm -f /var/run/xrdp/sesman.pid
  ;;
  s|sshd)
    if [ -f /var/run/sshd.pid ] && [ "/usr/sbin/sshd" != "$(cat /proc/$(cat /var/run/sshd.pid)/cmdline 2>&-)" ];then
      rm /var/run/sshd.pid
    fi
    exec /etc/init.d/ssh start
  ;;
  S)
    /etc/init.d/ssh stop
    pidof -s sshd >&- && killall -KILL sshd
    rm -f /var/run/sshd.pid
  ;;
  *)
    exec /bin/bash --login
  ;;
esac