Powershell commands on multiple windows

Question

Powershell commands on multiple windows

António 1

How could be possible to run powershell commands piped to specific PIDs on a text file on C:\PIDs.txt?

the PIDs.txt would be something like

This is a very simple example but would be run "Invoke-Command -ScriptBlock {Get-EventLog system -Newest 50}" and "Get-Content "C:\Services.txt" on all the open powershell windows

Thanks

Carlos Solís Salazar 18,376 Reputation points MVP

2022-02-26T21:51:47.247+00:00

Did you try to have a script on the remote host and just invoke it from your pc?
Rich Matheisen 48,116 Reputation points

2022-02-26T22:29:05.317+00:00

Instead of asking how to do something using what you think should work, why not explain what you're trying to accomplish? The explanation you gave really makes no sense.

Why do you want to hijack a specific PowerShell process (on a remote machine, no less!) to do this?

If all you want to do is get the newest 50 events from the system log you can use Get-WinEvent (the Get-EventLog cmdlet still works but Get-WinEvent is much faster) without using Invoke-Command.
António 1 Reputation point

2022-02-26T23:01:44.353+00:00

It's on my PC
António 1 Reputation point

2022-02-26T23:01:52.637+00:00

I'm trying to run some commands as admninistrator and for that I have a powershell script that calls a ps1 file and run some commands but when I run it, it opens a powershell window as administrator and the commands run on the powershell window from the ps1 was called and not on the windows as administrator.

The idea was to get the powershell processes PIDs and somehow running the powershell script using those PIDs but I don't know how can that be done or if there is any an easier way to do this.
Rich Matheisen 48,116 Reputation points

2022-02-26T23:49:34.503+00:00

Are you running the PowerShell system on your workstation? How are you "calling" the other PowerShell script?

Are the PID's from processes on other machines? If so, are the PIDs just to identify the PowerShell session on the remote machine? If that's the case you only need to use Invoke-Command. No other PowerShell window will open on the local machine OR on the remote machine.

However, if you're only retrieving information from an event log, there's not even a need to use Invoke-Command. Use Get-WinEvent instead of Get-EventLog and supply the name of the remote computer in the Get-WinEvent cmdlet.
Carlos Solís Salazar 18,376 Reputation points MVP

2022-02-27T00:12:54.643+00:00

Can you share the script that you are working on?

1 answer

Your answer

Carlos Solís Salazar 18,376 Reputation points MVP

2022-02-26T21:51:47.247+00:00

Did you try to have a script on the remote host and just invoke it from your pc?
Rich Matheisen 48,116 Reputation points

2022-02-26T22:29:05.317+00:00

Instead of asking how to do something using what you think should work, why not explain what you're trying to accomplish? The explanation you gave really makes no sense.

Why do you want to hijack a specific PowerShell process (on a remote machine, no less!) to do this?

If all you want to do is get the newest 50 events from the system log you can use Get-WinEvent (the Get-EventLog cmdlet still works but Get-WinEvent is much faster) without using Invoke-Command.
António 1 Reputation point

2022-02-26T23:01:44.353+00:00

It's on my PC
António 1 Reputation point

2022-02-26T23:01:52.637+00:00

I'm trying to run some commands as admninistrator and for that I have a powershell script that calls a ps1 file and run some commands but when I run it, it opens a powershell window as administrator and the commands run on the powershell window from the ps1 was called and not on the windows as administrator.

The idea was to get the powershell processes PIDs and somehow running the powershell script using those PIDs but I don't know how can that be done or if there is any an easier way to do this.
Rich Matheisen 48,116 Reputation points

2022-02-26T23:49:34.503+00:00

Are you running the PowerShell system on your workstation? How are you "calling" the other PowerShell script?

Are the PID's from processes on other machines? If so, are the PIDs just to identify the PowerShell session on the remote machine? If that's the case you only need to use Invoke-Command. No other PowerShell window will open on the local machine OR on the remote machine.

However, if you're only retrieving information from an event log, there's not even a need to use Invoke-Command. Use Get-WinEvent instead of Get-EventLog and supply the name of the remote computer in the Get-WinEvent cmdlet.
Carlos Solís Salazar 18,376 Reputation points MVP

2022-02-27T00:12:54.643+00:00

Can you share the script that you are working on?

Answer 1

Carlos Solís Salazar 18,376 MVP

First try to get the script to work locally, then replicate it on your remote command

This could be an example of the local command:

$PIDS = Get-Content C:\PIDs.txt
ForEach ($PID in $PIDS) {
Write-Output $PID
}

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Powershell commands on multiple windows

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