diff --git a/backup-yunohost.sh b/backup-yunohost.sh
new file mode 100755
index 0000000..54ec664
--- /dev/null
+++ b/backup-yunohost.sh
@@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+#set -euo pipefail
+#trap 's=$?; echo >&2 "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
+
+TARGET=/yunohost-backups
+HOST=yunohost
+TODAY_DATE=`date '+%F'`
+LOGFILE=${TARGET}/$TODAY_DATE.$$.log
+ERR=0
+NUMRETAINBACKUPS=10
+
+echo "yunohost backup begin:" >$LOGFILE
+date >>$LOGFILE
+
+for i in 1 2 3
+do
+	NUMBACKUPS=`ssh ${HOST} sudo yunohost backup list | grep -- '-' | wc -l`
+	ERR=$?
+	if [ ${ERR} == 0 ]
+	then
+	        echo number of backups on yunohost ${NUMBACKUPS} >>$LOGFILE
+       		echo number of backups to keep     ${NUMRETAINBACKUPS} >>$LOGFILE
+	else
+        	echo yunohost could not list backups >>$LOGFILE
+		date >>$LOGFILE
+		exit 1
+	fi
+
+	if [ ${NUMBACKUPS} -gt ${NUMRETAINBACKUPS} ]
+	then
+		BACKTODEL=`ssh ${HOST} sudo yunohost backup list | grep -- '-' | head -1 | cut -d" " -f4`
+		echo 'the following backup will be deleted:'  >>$LOGFILE 2>&1
+		ssh ${HOST} sudo yunohost backup info ${BACKTODEL} >>$LOGFILE 2>&1
+		ssh ${HOST} "sudo yunohost backup delete ${BACKTODEL}" >>$LOGFILE 2>&1
+	fi
+done
+
+ssh ${HOST} sudo yunohost backup create >>$LOGFILE 2>&1 
+ERR=$?
+if [ ${ERR} == 0 ]
+then
+	echo yunohost backup successfully created >>$LOGFILE
+else
+	echo yunohost backup did NOT complete >>$LOGFILE
+fi
+echo "yunohost backup ended:" >>$LOGFILE
+date >>$LOGFILE
+BACKUPFILE=`ssh ${HOST} sudo yunohost backup list --with-info -H  | grep -A 3 $TODAY_DATE |  grep 'path:' | cut -d":" -f2 | tr -d " " | tail -1`
+scp ${HOST}:${BACKUPFILE} ${TARGET} && echo ${BACKUPFILE} successfully copied to ${TARGET}! >>$LOGFILE 2>&1
+ls -lisah ${TARGET}/`basename ${BACKUPFILE}` >>$LOGFILE
+gzip -9 ${TARGET}/`basename ${BACKUPFILE}` >>$LOGFILE 2>&1
+
+
+# algo to create the "keep"-array copied from https://serverfault.com/questions/575163/how-to-keep-daily-backups-for-a-week-weekly-for-a-month-monthly-for-a-year-a
+# it keeps 8 daily backups and 5 weekly (every sunday) backups
+# in addition 13 monthly backups (first sunday of every month) and 6 yearly backups (first sunday of every year)
+
+
+cd ${TARGET}
+# keep 8 daily backups
+for i in {0..7}; do ((keep[$(date +%Y%m%d -d "-$i day")]++)); done
+# keep 5 weekly backups
+for i in {0..4}; do ((keep[$(date +%Y%m%d -d "sunday-$((i+1)) week")]++)); done
+# keep 13 monthly backups
+for i in {0..12}; do
+        DW=$(($(date +%-W)-$(date -d $(date -d "$(date +%Y-%m-15) -$i month" +%Y-%m-01) +%-W)))
+        for (( AY=$(date -d "$(date +%Y-%m-15) -$i month" +%Y); AY < $(date +%Y); AY++ )); do
+                ((DW+=$(date -d $AY-12-31 +%W)))
+        done
+        ((keep[$(date +%Y%m%d -d "sunday-$DW weeks")]++))
+done
+# keep 6 yearly backups
+for i in {0..5}; do
+        DW=$(date +%-W)
+        for (( AY=$(($(date +%Y)-i)); AY < $(date +%Y); AY++ )); do
+                ((DW+=$(date -d $AY-12-31 +%W)))
+        done
+        ((keep[$(date +%Y%m%d -d "sunday-$DW weeks")]++))
+done
+#echo ${!keep[@]}
+echo space in filesys of ${TARGET} before pruning backups >>$LOGFILE 2>&1
+df -h ${TARGET} >>$LOGFILE 2>&1
+for i in *.gz
+do 
+	DATE=`echo $i | cut -c1-8` 
+	echo ${!keep[@]} | grep $DATE  >/dev/null
+	if [ $? -ne 0 ]
+	then	
+		echo deleting $DATE  >>$LOGFILE 2>&1
+		rm ${DATE}*.tar.* >>$LOGFILE 2>&1
+		rm ${DATE}*.log.* >>$LOGFILE 2>&1
+	fi
+done
+echo space in filesys of ${TARGET} after pruning backups >>$LOGFILE 2>&1
+df -h ${TARGET} >>$LOGFILE 2>&1
+echo "$0 on `hostname` ended:" >>$LOGFILE
+date >>$LOGFILE
+# Achtung, hier wird es kompliziert :) nach diesem Kommando keine Umleitung in $LOGFILE mehr
+mv ${LOGFILE} ${TARGET}/`basename ${BACKUPFILE} .tar`.log
+gzip -9 ${TARGET}/`basename ${BACKUPFILE} .tar`.log 
diff --git a/upd b/upd
new file mode 100755
index 0000000..f7abce9
--- /dev/null
+++ b/upd
@@ -0,0 +1,30 @@
+brew update
+brew upgrade
+echo "nuc7"
+echo
+upd-linux
+echo "osmc"
+echo
+upd-osmc
+echo "Kodi-Datenbank"
+echo
+update-kodi vs
+echo yunohost
+echo 
+upd-yunohost
+echo Mac
+echo
+softwareupdate -l
+ssh nuc7 "/root/bin/catlastbackuplog.sh"
+ssh nuc7 "cat /root/mystack/docker-prune.log 2>/dev/null"
+#ssh nuc7 "ls -ltrh /yunohost-backups | tail -2"
+echo
+echo "Yunohost-Backups von heute nacht:"
+ssh nuc7 "ls -ltrh /yunohost-backups/`date '+%Y%m%d'`-*"
+if [ $? != 0 ]
+then
+	echo
+	echo "Achtung: KEINE Backups von letzter Nacht gefunden"
+fi
+echo "Platz im Filesystem, das auf nuc7 die /yunohost-backups beherbergt:"
+ssh nuc7 "df -h /yunohost-backups"