OJS: version update
Updating OJS from one version to another must be done with great care by first providing a secure backup of the database, software and uploaded files and then updating the software. In the case of major problems, you need to know how to restore the previous version using the backup. In the case of updates to versions with significant changes to the software, it is useful to test a copy of the site to verify in advance the changes and possible problems together with the customer.
- Version update to 2.x;
- version update to 3.x;
- version update from 2.x to 3.x.