I have been instructed by Auditors to disable unwanted POSIX subsystem on many servers not needing it. I have been given a list of server names on which I had to disable POSIX.
Again, the PowerShell kicked in. Just to demonstrate the importance of PowerShell usage I will explain how you can disable POSIX subsystem manually:
You need to change local group policy on each individual server!
The manual way would require RDC login to each server, and change in Local ...