Tag Archives: powershell

Windows: Execute a Script at shutdown

March 7, 2018 Michael Albert Leave a comment

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Hi,

like system startup it is not possible to execute a script at system shutdown with the task scheduler. It must be configured with a group policy. You can choose the GUI way are set it by script:

Let us assume the Script is C:\scripts\shutdownEv.cmd.
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Powershell

Powershell: Wrong exit code

January 25, 2018 Michael Albert Leave a comment

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Hi,

you start a powershell script from cmd and want to return an exit not equal to 0 but %ERRORLEVEL% is set to 0.
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Powershell, Security

Powershell: En- and Decrypt string with AES256

December 22, 2017 Michael Albert 2 Comments

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Hi,

if you have the requierment to encrypt strings in Powershell the .NET Framework offers some classes for this case. This is a symmetric encryption. Receiver and Sender uses the same Password/Key to en- and decrypt the message.
Continue reading Powershell: En- and Decrypt string with AES256 →

Powershell, Windows knowhow

Powershell: Function Pointer

November 23, 2017 Michael Albert Leave a comment

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Hi,

Powershell provides also the ability to use function pointers such as C or C++.

Define your functions
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Powershell, Windows, Windows knowhow

Windows: Cleanup files from WSUS which are no longer needed

July 23, 2017 Michael Albert 2 Comments

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Hi,

the content of an WSUS Server crows every month for several GiBytes because WSUS does held all files which has the approval state “install”.
Continue reading Windows: Cleanup files from WSUS which are no longer needed →

Michls Tech Blog