NTFS links on Windows: symbolic links, junctions, and hard links compared
Windows supports three distinct types of filesystem links: symbolic links, directory junctions, and hard links. They look similar from the outside but…
Guides and articles
Practical guides for system administrators - Windows, PowerShell, Active Directory, networking, and infrastructure.
How to delete a symbolic link on Windows without deleting the target
Deleting a symbolic link or junction on Windows is not the same as deleting a regular folder - and using the wrong…
Base64 encoding in PowerShell: encode and decode files and strings
PowerShell can encode and decode Base64 natively using the [Convert] .NET class - no external utilities, no temporary files with PEM headers.…
"Deleting a user account deletes this identifier" - what this warning means and what to do
When you try to delete a local user account on a Windows computer joined to a domain, you may see a warning…
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…
How to remove a stale datastore from VMware vCenter
When a datastore loses its backend storage connection, vCenter can keep it registered in its inventory even though the underlying volume is…
VMware PowerCLI command reference (Reference)
This page is a structured reference for the most commonly used VMware PowerCLI cmdlets, organized by task area. Each entry includes the…
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…