When you update your Squish Test Center Installation, the following files and folders should be kept to retain your data and configuration.
testcenter/config/application.ini
testcenter/config/database.ini
testcenter/db
testcenter/import
Follow these steps to update your Squish Test Center installation
Open a command line or shell prompt and change directories to the top-level directory of your old Squish Test Center installation. Issue the following prompt to shutdown the old instance
$ /bin/testcenter stop
Unpack the new Squish Test Center binary package
Copy the aforementioned files and folders from your old installation to the new and updated installation
To update the database , open a command line or shell prompt and change directories to the top-level directory of the new Squish Test Center installation. Issue the following prompt to update the database
$ /bin/testcenter migrate
Issue the following prompt to start the updated Squish Test Center instance
$ /bin/testcenter start