Update Contao

Backup

First of all backup your Contao database and root directory!

Update

Change into the Contao root directory and execute the update command as apache user.

Clear cache

Within the Contao root directory clear the cache with:

Check database

Now check the Contao database for updates. Open the install.php and enter your installation password.

e.g. open https://www.your-domain.com/contao/install

References

Original guide for the Contao update from marcosimbuerger.ch

https://www.marcosimbuerger.ch/contao-kurzanleitungen-details/contao-4-updaten.html