Windows Server
Windows Server Hardening — Kill SMBv1, LLMNR, and NTLMv1
Three legacy protocols still enabled by default on Windows Server that no modern network needs. PowerShell one-liners to disable each, the rare exceptions, and how to verify.
Windows Server
Windows Server guides: Active Directory, RDP hardening, Hyper-V, IIS, backups and PowerShell automation.
Windows Server
BitLocker on Windows Server — Encrypting the OS Volume Without Locking Yourself Out
Enable BitLocker on a Windows Server OS volume via PowerShell — TPM unlock, recovery key handling, the boot quirks specific to Server, and how to unlock from WinPE.
Windows Server
Active Directory Part 3 — GPO Hardening for the Whole Domain
The GPOs every domain should have — password policy, account lockout, audit, RDP restrictions, SMBv1 / LLMNR / NTLMv1 kill, BitLocker enforcement. The defaults are not enough.
Windows Server
Active Directory Part 2 — OUs, Users, and GPO Basics
Build a sane AD structure — OU layout, user and group provisioning via PowerShell, first GPO. The patterns that scale from 10 users to 1000.
Windows Server
Active Directory Part 1 — Promoting Your First Domain Controller
Stand up a new Active Directory forest from scratch. Install AD DS, promote the first DC, DNS integration, the post-promo checks. PowerShell-driven, no GUI.
Windows Server
PowerShell for Sysadmins — A Cheatsheet From My Daily Use
The PowerShell snippets I actually use every day on Windows Server — pipeline filters, remoting, services, event logs, scheduled tasks, error handling.
Windows Server
Join Windows Server to AD Domain with PowerShell
Domain-join a Windows Server with Add-Computer: point DNS at the DC first, land in the right OU, verify the secure channel, fix the usual join errors.
Windows Server
Reset a Forgotten Windows Administrator Password — the Utilman Trick
You're staring at a Windows login screen. You don't know the password. You own the machine. You need back in. This is the utilman trick — a classic…
Windows Server
Windows Server Initial Setup Checklist (2026 Edition)
Fresh Windows Server install. The OOBE finished, you're at the desktop, now what? Here's the checklist I run on every new server — in order — before it…
Windows Server
Enable Remote Desktop (RDP) on Windows Server — CMD & PowerShell
You just finished installing Windows Server, you're sitting at the console, and you need to RDP in from your workstation so you can finally close the KVM…
Windows Server
Create a Windows User via CMD (net user) — Cheat Sheet
Creating a local user on Windows Server from the command line is one of those tasks you'll do a hundred times. The GUI is fine for one user; CMD is faster…
Linux
The Sysadmin Prompt Cheat Sheet — AI Commands That Actually Work
Copy-paste prompts for sysadmin work with Claude or any LLM: explain commands, write scripts, triage logs, review configs, convert Bash to PowerShell.