Tag: Powershell Remoting

PowerShell SSH Remoting Linux to Windows

Setup PowerShell SSH Remoting in PowerShell 6

With PowerShell version 6, Microsoft introduced PowerShell Remoting over SSH, which allows true multiplatform PowerShell remoting between Linux, macOS and Windows. PowerShell SSH Remoting creates a PowerShell host process on the target machine as an SSH subsystem. Normally, PowerShell remoting uses WinRM for connection negotiation and data transport, however WinRM is only available on Windows based machines.

There are also some downsides to it. SSH-based remoting doesn’t currently support remote endpoint configuration and JEA (Just Enough Administration). It is also important to understand, that this is not just another PowerShell SSH client.

Use SSH Transport with PowerShell Remoting

To use PowerShell remoting with SSH you can use the same cmdlets, you know from PowerShell remoting with WinRM.

  • New-PSSession
  • Enter-PSSession
  • Invoke-Command

There are 3 new parameters for these cmdlets, if you are using PowerShell SSH remoting.

  • -HostName (Instead of -Computername, you define the SSH target)
  • -UserName (Instead of -Credentials you use the -UserName parameter)
  • -KeyFilePath (If you are using SSH key authentication you can use the -KeyFilePath parameter to point to the key file)


Run Remote Powershell Commands on multiple standalone Computers

Powershell Header

With this little Powershell Script you can run Powershell Commands on multiple Remotehosts even if those are not in an Active Directory.

Important:

You have to enable Powershell Remoting on the Remotehost with Enable-PSRemoting



Quick Powershell Remoting Guide

Powershell HeaderThis is small guide which allows you to create Remote Powershell Sessions (like SSH). It allows you to create connection to Host which have Powershell Version 2.

  • Allow Powershell Remoting on the Remotehost
  • Add Trusted Hosts on the Localcomputer
  • Create a new Remotesession
  • Leave a Powershell Remotesession
  • Close a Powershell Remotesession
  • Send a command to a Remotehost

Allow Powershell Remoting on the Remotehost

Run Powershell 2.0 on the Remotehost and run the following Cmdlet.

This command starts the WinRM service if it’s not allready started and sets the startup type to automatic. Adds firewall exceptions for WS-Management communications and creates a listener to accept requests.

Add Trusted Hosts on the Localcomputer

On the Local Computer run Powershell and run the following Cmdlet. This allows you to connect to any host. It also starts WinRM if its not already started.

After that you may have to restart the WinRM service

Create a new Powershell Remotesession

There are two ways to create a new PS Remotesession.

With Get-PSSession you can list all active sessions. Now you can enter a active Session with Enter-PSSession and the ID

A quicker way to do that, you can simply use Enter-PSSession to create a new Session and directly connect to this Session.

Leave a Powershell Remotesession

To leave a Powershell Remotesession you can simply use the Exit-PSSession

Close a Powershell Remotesession

To close a Powershell Remotesession you can list all  active Sessions with Get-PSSessions and close them with Remove-PSSession.

Send a command to a Remotehost

To run a command on a Remotehost you can use the -ComputerName parameter.

With this little snippet you can run commands on multiple Hosts