You need to find every disabled user account in the Sales OU, and you are logged on to a Server Core box where the ActiveDirectory PowerShell module is not installed. You could install RSAT, or RDP somewhere else, or run…
The script runs fine from your terminal. You create a scheduled task, it fires at the right time — and produces nothing. The Last Run Result column shows 0x1 and the task history says “Task completed” with no further detail.…
If you come from Linux, you expect aliases to just work — type alias ll=’ls -la’, press Enter, done. Windows has the same concept, but it lives in two separate places depending on which shell you are in: CMD has…
netsh (Network Shell) is a command-line scripting utility built into Windows that lets you configure and inspect virtually every aspect of networking from a terminal — no GUI required. It operates through a context hierarchy: you enter a context like…
The server is slow. Users are complaining. You open Task Manager and see CPU sitting at 90% — but Task Manager only shows a 60-second window and disappears the moment you close the RDP session. To find what is actually…
Every time you run sfc /scannow or DISM /RestoreHealth, Windows writes a detailed record of what it found and what it did to C:\Windows\Logs\CBS\CBS.log. The terminal output gives you a one-line summary. The log gives you the full picture: every…
DISM — Deployment Image Servicing and Management — is the tool you reach for when sfc /scannow reports corrupted files it cannot fix. Where SFC checks and repairs individual system files, DISM works at a lower level: it validates and…
System File Checker — sfc — scans Windows protected system files and replaces damaged or missing ones from a cached copy. It is usually the first repair tool you reach for when Windows starts behaving unexpectedly: random crashes, applications that…
Performance Monitor gives you graphs. Get-Counter gives you data — in the terminal, in variables, in CSV files, in scripts that run unattended at 3am. It reads the same performance counter infrastructure that PerfMon uses, but from PowerShell, which means…
Windows Event Logs accumulate fast. On a busy server, the Application and System logs can hold hundreds of thousands of entries within days. PowerShell gives you two tools for dealing with this: Get-WinEvent for reading and filtering events with precision,…
