Added that serial no is written in logfile_short.txt

comp-backup-install-hench.sh

@@ -258,6 +258,8 @@ fi
 if [ -f "$SERIAL" ]; then
     scp -i $SSHKEY $SERIAL $RUSER@$TARGETNODE:$RHOME/$SCRIPTNAME/$HOST/ &>/dev/null
     echo -e "[computer serial]" $G_"OK"$_N
+else
+    SERIALNO="_"
 fi
 
 #
@@ -477,7 +479,8 @@ else
 fi
 
 # Log update
-echo -e "comp-backup version: \$version" > $LOGSHORT
+echo -e "Serial number: $SERIALNUMBER" > $LOGSHORT
+echo -e "comp-backup version: \$version" >> $LOGSHORT
 export OS_VER=$OS_VER
 echo -e "OS version: \$OS_VER" >> $LOGSHORT
 tail -n 6 $LOG >> $LOGSHORT