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Where do the remote variables in PowerShell come from?
By default, the variables in remote commands are assumed to be defined in the session that runs the command. Variables that are defined in a local session, must be identified as local variables in the command. Using remote variables. PowerShell assumes that the variables used in remote commands are defined in the session in which the command runs.
How to pass a variable to a command in PowerShell?
There is one more option available to us that I like much better. Starting with Powershell 3.0, they added a $using: scope to the language to address this scenario in workflows. You can also use it with Invoke-Command and with the DSC script resource. It looks like this: It embeds the variable from the calling scope into the scriptblock.
How to pass a variable to a remote command?
In the example above, $local is actually $null in the remote session because it was never defined in that scope. The good news is that Invoke-Command has a -ArgumentList parameter that we can use.
Where is the PS variable defined in PowerShell?
PowerShell assumes that the variables used in remote commands are defined in the session in which the command runs. In this example, the $ps variable is defined in the temporary session in which the Get-WinEvent command runs.
Can you use a variable in a remote command?
You can use variables in commands that you run on remote computers. Assign a value to the variable and then use the variable in place of the value. By default, the variables in remote commands are assumed to be defined in the session that runs the command.
Can a remote variable be defined in pssession?
When the command runs in a persistent session, PSSession, the remote variable must be defined in that session. You can use local variables in remote commands, but the variable must be defined in the local session. Beginning in PowerShell 3.0, you can use the Using scope modifier to identify a local variable in a remote command.
How to persistently set an environment variable in PowerShell?
Well, that’s a bit of a long command line, but it achieves what we are interested in: setting an environment variable persistently for our user profile. The next time we log into the system, with the same user account, that environment variable will still be set.