Tag Archives: Windows 8

Windows 8 OS

PowerShell tips – part 012.

From Azure documentation we can read this: The Azure support we are going to use requires PowerShell version 5.0 or higher.

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C:\WINDOWS\system32>powershell
Windows PowerShell
Copyright (C) 2014 Microsoft Corporation. All rights reserved.
 
PS C:\WINDOWS\system32> $PSVersionTable.PSVersion
 
Major  Minor  Build  Revision
-----  -----  -----  --------
4      0      -1     -1

The update of PowerShell can be found here, see the table: Windows PS 3.0 PS 4.0 PS 5.0 PS 5.1 Windows 10 (see Note1) Windows Server 2016 – – – installed Windows 8.1… Read More »

How a antivirus can help you…

This article has a character that shows that a PC administrator can not access a file it created. In this case, the antivirus installation mapped the file called clear.bat and banned access to it.

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C:\WINDOWS\system32>icacls clean.bat
clean.bat NT AUTHORITY\SYSTEM:(I)(F)
          BUILTIN\Administrators:(I)(F)
          BUILTIN\Users:(I)(RX)
          APPLICATION PACKAGE AUTHORITY\ALL APPLICATION PACKAGES:(I)(RX)
 
Successfully processed 1 files; Failed processing 0 files
 
C:\WINDOWS\system32>clean.bat
Access is denied.
 
C:\WINDOWS\system32>icacls.exe clean.bat /RESET
processed file: clean.bat
Successfully processed 1 files; Failed processing 0 files
 
C:\WINDOWS\system32>icacls clean.bat
clean.bat NT AUTHORITY\SYSTEM:(I)(F)
          BUILTIN\Administrators:(I)(F)
          BUILTIN\Users:(I)(RX)
          APPLICATION PACKAGE AUTHORITY\ALL APPLICATION PACKAGES:(I)(RX)
 
Successfully processed 1 files; Failed processing 0 files
 
C:\WINDOWS\system32>clean.bat
Access is denied.
 
C:\WINDOWS\system32>takeown.exe /f clean.bat
 
SUCCESS: The file (or folder): "C:\WINDOWS\system32\clean.bat" now owned by user
"VAIO\catafest".                                                                            

PowerShell tips – part 011.

This is another tutorial about powershell and windows 8.1 operating sistem. You can try with another Windows OS version and powershell. First issue is to show all active services on your computer:

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Get-Service | Where-Object {$_.Status -eq “Running”}

This will show all event logs on your computer:

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Get-EventLog -List

More info about restricted execution policy that prevents scripting on PowerShell, see:… Read More »

Security – About ARP .

The Address Resolution Protocol (ARP) is a key TCP/IP protocol that is used to determine the physical address of the network card that corresponds to an IP address. The ARP is a protocol used in the TCP/IP protocol suite at the internet layer. The ARP finds the MAC address of destination computer by using the… Read More »