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+.. _backup_and_restore_pgsql:
+
+****************************
+Backup and restore PostreSQL
+****************************
+
+Backup and restore will be necessary when you are going to switch PostgreSQL versions.
+Each version has its own data directory and is fully indepentend of other versions.
+In case you want to switch to a different version, but still want to have your PostgreSQL databases
+present, you must first backup the databases of your current version and import them into the
+new version.
+
+There are multiple ways to backup and restore. Chose the one which is most convenient for you.
+
+
+**Table of Contents**
+
+.. contents:: :local:
+
+
+Backup
+======
+
+pg_dump
+-------
+
+`pg_dump <https://www.postgresql.org/docs/current/static/backup-dump.html>`_ is bundled with
+each PHP container and reay to use. To backup a database named ``my_db_name`` follow the below
+listed example:
+
+.. code-block:: bash
+
+    # Navigate to the Devilbox directory
+    host> cd path/to/devilbox
+
+    # Enter the PHP container
+    host> ./shell.sh
+
+    # Run pg_dump
+    devilbox@php-7.1.6 in /shared/httpd $ pg_dump -h pgsql -U postgres -W my_db_name > /shared/backups/pgsql/my_db_name.sql
+
+To find out more about the configuration and options of pg_dump, visit its project page under:
+https://www.postgresql.org/docs/current/static/backup-dump.html.
+
+
+Adminer
+-------
+
+If you do not like to use the command line for backups, you can use
+`Adminer <https://www.adminer.org>`_. It comes bundled with the devilbox intranet.
+
+To find out more about the usage of Adminer, visit its project page under: https://www.adminer.org.
+
+
+Restore
+=======
+
+psql
+----
+
+In order to restore or import PostgreSQL databases on the command line, you need to use
+`psql <https://www.postgresql.org/docs/current/static/backup-dump.html#BACKUP-DUMP-RESTORE>`_.
+Here are a few examples for different file types:
+
+``*.sql`` file
+^^^^^^^^^^^^^^
+
+.. code-block:: bash
+
+    # Navigate to the Devilbox directory
+    host> cd path/to/devilbox
+
+    # Enter the PHP container
+    host> ./shell.sh
+
+    # Start the import
+    devilbox@php-7.1.6 in /shared/httpd $ psql -h pgsql -U postgres -W my_db_name < /shared/backups/pgsql/my_db_name.sql
+
+``*.sql.gz`` file
+^^^^^^^^^^^^^^^^^^
+
+.. code-block:: bash
+
+    # Navigate to the Devilbox directory
+    host> cd path/to/devilbox
+
+    # Enter the PHP container
+    host> ./shell.sh
+
+    # Start the import
+    devilbox@php-7.1.6 in /shared/httpd $ zcat /shared/backups/pgsql/my_db_name.sql.gz | psql -h pgsql -U postgres -W my_db_name
+
+``*.sql.tar.gz`` file
+^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: bash
+
+    # Navigate to the Devilbox directory
+    host> cd path/to/devilbox
+
+    # Enter the PHP container
+    host> ./shell.sh
+
+    # Start the import
+    devilbox@php-7.1.6 in /shared/httpd $ tar xzOf /shared/backups/pgsql/my_db_name.sql.tar.gz | psql -h pgsql -U postgres -W my_db_name
+
+
+Adminer
+-------
+
+`Adminer <https://www.adminer.org>`_ supports importing of plain (``*.sql``) or gzipped compressed
+(``*.sql.gz``) files out-of-the-box. Simply select the compressed or uncompressed file and press
+``Execute`` in the import section of the web interface.