mailcow-dockerized-docs/docs/troubleshooting/debug-mysql_upgrade.en.md

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## Run a manual mysql_upgrade
This step is usually not necessary.
```
2022-05-31 09:40:59 +02:00
docker compose stop mysql-mailcow watchdog-mailcow
docker compose run --rm --entrypoint '/bin/sh -c "gosu mysql mysqld --skip-grant-tables & sleep 10 && bash && exit 0"' mysql-mailcow
```
As soon as the SQL shell spawned, run `mysql_upgrade` and exit the container:
```
mysql_upgrade
exit
```