How to rescan storage on an ESXi host
After making changes to your storage infrastructure — adding a new LUN, modifying iSCSI or Fibre Channel zoning, connecting a new NAS…
Guide
Step-by-step guides: how a command or feature works and how to use it on real Windows, Active Directory, VMware and Linux systems.
Getting started with PowerCLI automation scripts
Running individual PowerCLI commands interactively is useful for quick checks, but the real value of PowerCLI is in automation: scripts that run…
How to manage vSphere snapshots with PowerCLI (Walk-through)
vSphere snapshots capture the state of a virtual machine at a specific point in time — disk, memory (optionally), and configuration. They…
How to Generate SSL Certificates with OpenSSL
OpenSSL is the standard command-line toolkit for working with certificates, keys, and SSL As a system administrator, you will use it to…
chkntfs in Windows: control the boot-time disk check
A machine reboots and Windows starts checking a volume for errors before the desktop appears. On a workstation that is an inconvenience.…
pushd and popd: CMD Directory Stack Explained
pushd and popd are two CMD built-in commands that let you save your current directory to a stack, navigate elsewhere, and return…
nltest command in Windows: domain controller discovery and trust diagnostics
nltest is a command-line utility that communicates directly with the Netlogon service on Windows. It gives system administrators direct access to domain…
TITLE command in Windows: label your terminals and track script progress
The TITLE command changes the title bar text of a Command Prompt window. You probably already know that. But there is more…
ren command in Windows: rename files and folders from CMD
ren renames a file or a folder from the command line. It has existed since MS-DOS, it takes no switches, and it…
Using SUBST to Create Virtual Drives in Windows
A deeply nested project path is tedious to type and awkward in scripts that expect a short root. subst maps that folder…