Upgrade Postgresql to a newer Version

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How to Upgrade Postgresql

Check that the server is running
Start the dump

$ pg_dumpall > db.out

Upgrade Postgresql to a newer version via for example Yast
Start Postgresql server or initalize the new DB and start Postgresql server.
Import the database

$ psql -f db.out template1

Now Postgresql is running in a newer version with the data of the old version.

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