invoke-remoteexpression

remote.ps1

function invoke-remoteexpression($computer = “\\$ENV:ComputerName”, [ScriptBlock] $expression = $(throw “Please specify an expression to invoke.”),  [switch] $noProfile , $username, $password)
{

  $commandLine = “echo . | powershell “


  if($noProfile)

  {
      $commandLine += “-NoProfile “
  }

   

  <#
    some commands may cause encoding problems so we base64.
  #>

  $commandBytes = [System.Text.Encoding]::Unicode.GetBytes($expression)

  $encodedCommand = [Convert]::ToBase64String($commandBytes)

  $commandLine += “-EncodedCommand $encodedCommand”
 
  psexec /acceptEula -u $username -p $password $computer cmd /c $commandLine 

}

Completely stole this from somewhere on the intertron and I don't remember where.
Yes, that is the venerable PSEXEC we are relying on for initial configuration of the remote server. Its assumed your an administrator on the remote machine.