Five Deadly Sins of PowerShell Comparison Operators
PowerShell comparison operators look familiar but behave like nothing in C# or Python: collections become filters, $null has a seating order, and -replace speaks regex.
Automation
PowerShell Has No Return Values
return $x is just $x plus an exit. Everything your function did not swallow becomes the return value, and that breaks scripts.
try/catch Is Blind to Half Your Errors
try/catch only sees terminating errors. Non-terminating errors and native exit codes sail past it. The mechanism and the decision tree.
Three Machines, One Shell: Relaying Commands from an AI Agent to WSL via a VPS
A persistent, bidirectional command channel between an AI agent VM, a small VPS relay, and a Windows laptop's WSL — what each piece does, how to set it up, and the dozen pitfalls I actually hit.
Protecting a PowerShell Watchdog Script from Tampering
A scheduled PowerShell script running as SYSTEM is a high-value target. Lock it down with NTFS ACLs, code signing, auditing, and central deployment.
Create a Watchdog in Windows: Keep Your Cellular APN Correct and Connected
A scheduled PowerShell watchdog that checks the Windows WWAN APN every 5 minutes and reinstalls the profile and reconnects when it drifts.
GitHub for Sysadmins: 2FA, Tokens, PR Workflows
A practical guide to GitHub: registration, mandatory 2FA, token authentication, repositories, projects, gists, cloning, and pull request workflows.
50 PowerShell Tips for Windows Admins
50 field-tested PowerShell tips: console habits, remoting, AD one-liners, disk and network checks, and the performance gotchas that bite.
Run PowerShell Scripts from Go
Call a parameterized PowerShell script from Go on Windows with safe arguments, JSON output, timeouts, and reliable exit-code handling.
Run Go Programs from PowerShell
Run, build, and automate Go programs from PowerShell on Windows, including arguments, output, exit codes, and reusable executables.