This video describes how to test JDBC Connectivity using the JDBC test utility and applies to domain repository, model repository service, metadata manager service, reporting service
How to unassign services from an expired key and assign them to a valid key in 9.1.0 and 9.5.1
Converting and adding of a self signed certificate to use a Webservice Consumer transformation
How to automate the repository and domain back up process for disaster recovery in PowerCenter