This video is about changing a worker node to a gateway node and changing a gateway node to a worker node. You can make changes at the command line as well as in the Administrator console. It is fun and easy!
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 automate the repository and domain back up process for disaster recovery in PowerCenter
How to find in which host the Repository Integration service is running in a multi node domain