Some knowlege from the top of my head

My personal blog

  1. Useful powershell "variables"

  2. Get random element of an array using Powershell

  3. Move all FSMO roles to the local domain controller using Powershell

  4. Getting the computername in Powershell

  5. Powershelling the Kernel32 function GetComputerName

  6. Is your execution policy Unrestricted for the entire machine?

  7. Discovering the netboot GUID of virtual machines

  8. Powershell function to discover netboot GUID on Hyper-V

  9. The insensitive hash table

  10. Clean users email addresses from old domains