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https://codeberg.org/hyperreal/techne
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46 lines
1.4 KiB
Org Mode
46 lines
1.4 KiB
Org Mode
#+title: PostgreSQL
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#+setupfile: ../org-templates/page.org
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** Change password for user
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#+begin_src shell
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sudo -u user_name psql db_name
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#+end_src
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#+begin_src sql
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ALTER USER user_name WITH PASSWORD 'new_password';
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#+end_src
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** Update password auth method to SCRAM
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Edit ~/etc/postgresql/16/main/postgresql.conf~:
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#+BEGIN_SRC shell
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password_encryption = scram-sha-256
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#+END_SRC
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Restart postgresql.service:
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#+BEGIN_SRC shell
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sudo systemctl restart postgresql.service
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#+END_SRC
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At this point, any services using the old MD5 auth method will fail to connect to their PostgreSQL databases.
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Update the settings in ~/etc/postgresql/16/main/pg_hba.conf~:
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#+BEGIN_SRC shell
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TYPE DATABASE USER ADDRESS METHOD
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local all mastodon scram-sha-256
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local all synapse_user scram-sha-256
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#+END_SRC
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Enter a psql shell and determine who needs to upgrade their auth method:
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#+BEGIN_SRC sql
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SELECT rolname, rolpassword ~ '^SCRAM-SHA-256\$' AS has_upgraded FROM pg_authid WHERE rolcanlogin;
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\password username
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#+END_SRC
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Restart postgresql.service and all services using a PostgreSQL database:
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#+BEGIN_SRC shell
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sudo systemctl restart postgresql.service
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sudo systemctl restart mastodon-web.service mastodon-sidekiq.service mastodon-streaming.service
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sudo systemctl restart matrix-synapse.service
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#+END_SRC
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