Upgrading from Cerb4 to Cerb6
You can directly upgrade from Cerb 4.x to any version of Cerb 6.x without exporting your data or losing any of your settings. Cerb is smart enough to run all the intermediate migration scripts to bring your database up to date.
Fresh install (simple)
In this guide, we'll assume your Cerb 4.x installation is at
/cerb4 and your Cerb 6.x installation is at
Download the Cerb 6.x files to a new location. You can follow the instructions in the book:
Stop when you get to the section about using the guided installer since you're going to use an existing database.
Make a backup of your Cerb 4.x database.
Copy the following settings (by hand) from
Make sure your
/cerb6/storage/directory is writeable by the webserver.
/cerb6/updatein your web browser.