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???? Scripting Admin Tasks with PowerShell

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PowerShell is a powerful command-line shell and scripting language built into Windows. It enables system administrators to automate repetitive tasks, manage systems remotely, and enhance efficiency in IT environments.

Why Use PowerShell for Admin Tasks?

  • ???? Automation of repetitive daily tasks

  • ⚙️ Remote management of servers and computers

  • ???? Bulk operations like user creation or permission updates

  • ???? System monitoring and reporting

  • ???? Integration with other tools and scripts


???? Common Admin Tasks You Can Automate with PowerShell

1. Create New AD Users in Bulk

Import-Csv "C:\Users.csv" | ForEach-Object {
New-ADUser -Name $_.Name -SamAccountName $_.Username -UserPrincipalName $_.Email -Path "OU=Employees,DC=domain,DC=local" -AccountPassword (ConvertTo-SecureString "P@ssw0rd123" -AsPlainText -Force) -Enabled $true
}

2. Get Disk Space Usage on All Servers

powershell
 
$servers = Get-Content "C:\servers.txt"
foreach ($server in $servers) {
Get-WmiObject Win32_LogicalDisk -ComputerName $server -Filter "DriveType=3" |
Select-Object DeviceID, @{Name="FreeSpace(GB)";Expression={[math]::round($_.FreeSpace/1GB,2)}}
}
 

3. Restart a Remote Service

powershell
Restart-Service -Name 'Spooler' -ComputerName 'Server01'
 
 

4. Export a List of All Installed Programs

powershell
Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\* |
Select-Object DisplayName, DisplayVersion, Publisher | Export-Csv "C:\InstalledApps.csv" -NoTypeInformation
 
 
 

???? Tips for Effective PowerShell Scripting

  • Use Get-Help and Get-Command to explore cmdlets.

  • Run scripts in PowerShell ISE or VS Code for better visibility and debugging.

  • Sign scripts if needed for security (Set-ExecutionPolicy).

  • Use comments (#) to document your script logic.

  • Test scripts in a lab environment before running in production.


???? PowerShell Security Tips

  • Avoid storing plaintext passwords in scripts.

  • Use Read-Host -AsSecureString to prompt for secure input.

  • Restrict execution policies (RemoteSigned, AllSigned).

  • Monitor PowerShell usage with logging and auditing.


PowerShell is a must-have tool for modern system admins. Mastering scripting can save hours of work, reduce human error, and make your IT infrastructure smarter and faster.

Scripting Windows Server Admin Tasks with PowerShell – Practical Guide

 


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