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Even though openHAB has a build-in backup system, as described in openHAB#Backup, I have found out that the backup for sure is not complete (at LEAST the addons folder is not backed up).

So I made a short story alternative backup (on Ubuntu LTS), before testing stuff etc:

openhab-tar-backup.sh
#!/bin/bash

now=`date +"%Y_%d_%m"`

cd /etc/openhab2/
tar -cvzf /home/bnp/openhab-etc-$now.tgz /etc/openhab2/*
cd /usr/share/openhab2/
tar -cvzf /home/bnp/openhab-usr-share-$now.tgz /usr/share/openhab2/*


Or, alternate as (with nice openHAB shutdown first):

openhab-tar-backup.sh
#!/bin/bash

now=`date +"%Y_%d_%m"`

/etc/init.d/openhab2 stop
cd /etc/openhab2/
tar -cvzf /home/bnp/openhab-etc-$now.tgz /etc/openhab2/*
cd /usr/share/openhab2/
tar -cvzf /home/bnp/openhab-usr-share-$now.tgz /usr/share/openhab2/*
/etc/init.d/openhab2 start


This simply dumps all files under /etc/openhab2 and /usr/share/openhab2 into 2 tar files with the current date, for easy recovery:

root@robin:~# ls -l
-rw-r--r-- 1 root root     119693 Feb 13 19:31 openhab-etc-2019_13_02.tgz
-rwxr-xr-x 1 root root        206 Feb 13 19:32 openhab-tar-backup.sh
-rw-r--r-- 1 root root  260385606 Feb 13 19:31 openhab-usr-share-2019_13_02.tgz
root@robin:~# file openhab-etc-2019_13_02.tgz
openhab-etc-2019_13_02.tgz: gzip compressed data, last modified: Wed Feb 13 19:31:11 2019, from Unix
root@robin:~#

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