This video provides information about how to create PowerCenter Web Services hosted by the Web Services Hub. This video also informs how to create web source and targets, how to create workflows into Web Service and testing it's functionality from Web Service Hub.
How to unassign services from an expired key and assign them to a valid key in 9.1.0 and 9.5.1
How to find in which host the Repository Integration service is running in a multi node domain
How to automate the repository and domain back up process for disaster recovery in PowerCenter