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akkoma/docs/administration/backup.md
Mark Felder 6ec1b1615b Further improvements
2020-10-12 12:23:20 -05:00

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Backup/Restore/Move/Remove your instance

Backup

  1. Stop the Pleroma service.
  2. Go to the working directory of Pleroma (default is /opt/pleroma)
  3. Run sudo -Hu postgres pg_dump -d <pleroma_db> --format=custom -f </path/to/backup_location/pleroma.pgdump> (make sure the postgres user has write access to the destination file)
  4. Copy pleroma.pgdump, config/prod.secret.exs, config/setup_db.psql (if still available) and the uploads folder to your backup destination. If you have other modifications, copy those changes too.
  5. Restart the Pleroma service.

Restore/Move

  1. Optionally reinstall Pleroma (either on the same server or on another server if you want to move servers).
  2. Stop the Pleroma service.
  3. Go to the working directory of Pleroma (default is /opt/pleroma)
  4. Copy the above mentioned files back to their original position.
  5. Drop the existing database and user if restoring in-place. sudo -Hu postgres psql -c 'DROP DATABASE <pleroma_db>;'; sudo -Hu postgres psql -c 'DROP USER <pleroma_db>;'
  6. Restore the database schema and pleroma postgres role the with the original setup_db.psql if you have it: sudo -Hu postgres psql -f config/setup_db.psql.

Alternatively, run the mix pleroma.instance gen task again. You can ignore most of the questions, but make the database user, name, and password the same as found in your backup of config/prod.secret.exs. Then run the restoration of the pleroma role and schema with of the generated config/setup_db.psql as instructed above. You may delete the config/generated_config.exs file as it is not needed.

  1. Now restore the Pleroma instance's data into the empty database schema: sudo -Hu postgres pg_restore -d <pleroma_db> -v -1 </path/to/backup_location/pleroma.pgdump>
  2. If you installed a newer Pleroma version, you should run mix ecto.migrate1. This task performs database migrations, if there were any.
  3. Restart the Pleroma service.
  4. Run sudo -Hu postgres vacuumdb --all --analyze-in-stages. This will quickly generate the statistics so that postgres can properly plan queries.
  5. If setting up on a new server configure Nginx by using the installation/pleroma.nginx config sample or reference the Pleroma installation guide for your OS which contains the Nginx configuration instructions.

Remove

  1. Optionally you can remove the users of your instance. This will trigger delete requests for their accounts and posts. Note that this is 'best effort' and doesn't mean that all traces of your instance will be gone from the fediverse.
    • You can do this from the admin-FE where you can select all local users and delete the accounts using the Moderate multiple users dropdown.
    • You can also list local users and delete them individualy using the CLI tasks for Managing users.
  2. Stop the Pleroma service systemctl stop pleroma
  3. Disable pleroma from systemd systemctl disable pleroma
  4. Remove the files and folders you created during installation (see installation guide). This includes the pleroma, nginx and systemd files and folders.
  5. Reload nginx now that the configuration is removed systemctl reload nginx
  6. Remove the database and database user sudo -Hu postgres psql -c 'DROP DATABASE <pleroma_db>;'; sudo -Hu postgres psql -c 'DROP USER <pleroma_db>;'
  7. Remove the system user userdel pleroma
  8. Remove the dependencies that you don't need anymore (see installation guide). Make sure you don't remove packages that are still needed for other software that you have running!

  1. Prefix with MIX_ENV=prod to run it using the production config file. ↩︎