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tutor/docs/tutorials/datamigration.rst

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Making backups and migrating data
---------------------------------
With Tutor, all data are stored in a single folder. This means that it's extremely easy to migrate an existing platform to a different server. For instance, it's possible to configure a platform locally on a laptop, and then move this platform to a production server.
1. Make sure `tutor` is installed on both servers with the same version.
2. Stop any running platform on server 1::
tutor local stop
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3. Transfer the configuration, environment, and platform data from server 1 to server 2::
rsync -avr "$(tutor config printroot)/" username@server2:/tmp/tutor/
4. On server 2, move the data to the right location::
mv /tmp/tutor "$(tutor config printroot)"
5. Start the instance with::
tutor local start -d
Making database dumps
---------------------
To dump all data from the MySQL and Mongodb databases used on the platform, run the following commands::
tutor local exec -e MYSQL_ROOT_PASSWORD="$(tutor config printvalue MYSQL_ROOT_PASSWORD)" mysql \
sh -c 'mysqldump --all-databases --password=$MYSQL_ROOT_PASSWORD > /var/lib/mysql/dump.sql'
tutor local exec mongodb mongodump --out=/data/db/dump.mongodb
The ``dump.sql`` and ``dump.mongodb`` files will be located in ``$(tutor config printroot)/data/mysql`` and ``$(tutor config printroot)/data/mongodb``.