fix issues with apu

rework: create utils.BoxInfo

sethostname.sh

@@ -1,13 +1,13 @@
 ETHNAME=$(cat /sys/class/net/eth0/address)
 ETHNAME=${ETHNAME//:/}
-APUID=${ETHNAME: -6}
-FOUND="$(shopt -s nullglob; echo /home/l_samenv/boxtools/cfg/*_$APUID.cfg)"
+BOXID=${ETHNAME: -6}
+FOUND="$(shopt -s nullglob; echo /home/l_samenv/boxtools/cfg/*_$BOXID.cfg)"
 if [ -z "$FOUND" ]; then
-   HOSTNAME=apu$APUID
+   HOSTNAME=box$BOXID
 else
    FOUND=$(basename ${FOUND[0]})  # remove directory part
    HOSTNAME=${FOUND%%.*}  # remove extension
-   if [ $HOSTNAME != "apu$APUID" ]; then
+   if [ $HOSTNAME != "apu$BOXID" ]; then
        HOSTNAME=${HOSTNAME%_*}
    fi
    echo "hostname $HOSTNAME"