Linux: Extract an rpm file

Hi,

extracting an rpm file are two steps

  • Convert it to an cpio archive
  • And extract this

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Powershell: A Local script is not executed with error not digitally signed

Hi,

Issue: You downloaded or copied a script from a remote location and Powershell won’t execute such a file although you have set the execution policy to RemoteSigned.

An Error like this occurs:

D:\Temp\myScript.ps1 : File D:\Temp\myScript.ps1 cannot
be loaded. The file D:\Temp\myScript.ps1 is not digitally signed. The script
will not execute on the system.

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OpenVPN: Error: IP packet with unknown IP version

Hi,

this is a checklist for the error on an OpenVPN 2.4 Server “IP packet with unknown IP version” when a client has established a connection successfully but you can not reach any IP Addresses in the network.
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Powershell: Escape a String for regular expression.

Hi,

when a pattern for a regular expression contains reserved characters it can be difficult to quote all these signs correctly.

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PDF: Merge multiple PDF Files

Hi,

the Standard PDF Viewer Adobe Acrobat Reader has no edit function, therefore a merge of multiple pdf files is also not possible.
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