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The default user in the mysql container is 'mysql', so the `mysql` command tries to use the 'mysql' MySQL user by default. But, in the MySQL dump instructions, we are providing the MySQL root user's password, so we need to specify `MYSQL_ROOT_USERNAME` as the MySQL user when invoking `mysql`.
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1.4 KiB
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35 lines
1.4 KiB
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Making backups and migrating data
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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.
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1. Make sure `tutor` is installed on both servers with the same version.
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2. Stop any running platform on server 1::
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tutor local stop
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3. Transfer the configuration, environment, and platform data from server 1 to server 2::
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rsync -avr "$(tutor config printroot)/" username@server2:/tmp/tutor/
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4. On server 2, move the data to the right location::
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mv /tmp/tutor "$(tutor config printroot)"
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5. Start the instance with::
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tutor local start -d
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Making database dumps
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---------------------
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To dump all data from the MySQL and Mongodb databases used on the platform, run the following commands::
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tutor local exec \
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-e USERNAME="$(tutor config printvalue MYSQL_ROOT_USERNAME)" \
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-e PASSWORD="$(tutor config printvalue MYSQL_ROOT_PASSWORD)" \
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mysql sh -c 'mysqldump --all-databases --user=$USERNAME --password=$PASSWORD > /var/lib/mysql/dump.sql'
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tutor local exec mongodb mongodump --out=/data/db/dump.mongodb
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The ``dump.sql`` and ``dump.mongodb`` files will be located in ``$(tutor config printroot)/data/mysql`` and ``$(tutor config printroot)/data/mongodb``.
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