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As a sysadmin, I often find myself digging through logs, config files, and scripts to troubleshoot issues or verify configurations. One of the most useful PowerShell one-liners in my daily toolkit is this: Get-ChildItem -Path "C:\Your\Directory" -Recurse -File | Select-String -Pattern "YourSearchText" This command recursively scans all files in the specified directory and searches for the string "YourSearchText". It’s incredibly handy when you’re hunting down error messages, checking for legacy code, or verifying that certain settings are applied across multiple files. Read more...

Someone had to change the extension of some files in order to send them or upload them to share. That’s fine but there’s so many of them! It will take forever to rename them all manually. There must be an easier way. Let’s look at how to use PowerShell to change the extension of all files in a folder: Open PowerShell: Press Win + X and select “Windows PowerShell” from the menu. Read more...

The Invoke-WebRequest command in PowerShell is very powerful and can be used to do much more then downloading a file. Check out the Invoke-WebRequest documentation page to learn more. Download a file from the web (http, https) Invoke-WebRequest -Uri "http://192.168.100.123:3000/myzipfile.zip" -OutFile "C:\Documents\myzipfile.zip" The above command well download a file from the web (in this case a local ip address) and save if under your Documents folder. Need to Extract a zip file? Read more...

Have a .zip file and need to extract its entire contents using Powershell? No problem, it’s built in! Since PowerShell version 5+, there is an Expand-Archive command built in: Expand-Archive -Path myzipfile.zip -DestinationPath C:\extract\to\here Not sure which version of PowerShell you have? $PSVersionTable.PSVersion Find more information: man Expand-Archive Need to Create a zip file? Check out Compress-Archive in PowerShell

Have some files and need to create a zip archive using Powershell? No problem, it’s built in! Since PowerShell version 5+, there is an Compress-Archive command built in: Compress-Archive running in PowerShell Compress-Archive -Path file.txt, file2.txt -CompressionLevel Fastest -DestinationPath C:\compress\to\here\myzipfile.zip Note: There’s a 2 GB max file size limit due to a limitation of the underlying API. Not sure which version of PowerShell you have? $PSVersionTable.PSVersion Use Splatting As seen in the example these lines can get long! Read more...