Windows · Volume Shadow Copy Volume Shadow Copy Service — How Shadow Copies Actually Work A practical look at how the Volume Shadow Copy Service coordinates requestors, writers, and providers…
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Windows · Group Policy Resultant Set of Policy and gpresult How to see exactly which Group Policy settings actually applied to a user or computer, which GPOs lost, and why,…
Windows · Group Policy Group Policy Central Store How to build and maintain the ADMX Central Store in SYSVOL so every administrator edits Group Policy from the same set of…
Homelab · Active Directory Building a Nested Active Directory Lab in Proxmox How to build a self-contained Active Directory environment — a domain controller, a member server, and a client…
Active Directory · Troubleshooting DNS Server Service Crashing or Unresponsive — Event 4013 and 4015 Event 4013 means the DNS Server service is waiting on Active Directory to finish its…
Windows · High Availability Network Load Balancing vs Failover Clustering Network Load Balancing and Failover Clustering both keep a Windows service available through a hardware or software failure, but they…
Proxmox · Backup Proxmox Backup: vzdump and Proxmox Backup Server How Proxmox actually backs up VMs and containers: the built-in vzdump tool, its three backup modes, retention rules, and why…
Windows · Certificate Services Active Directory Certificate Services (AD CS) A practical guide to AD CS, the Windows Server role that runs an internal Certificate Authority for issuing, renewing, and…
Windows · NTFS NTFS Permissions and ACLs How NTFS actually decides who gets in — access control lists, inheritance, and the deny rule that trips up almost every “but I…
Windows · Patch Management Windows Server Update Services (WSUS) WSUS gives an organisation one internal source for Windows updates instead of every machine pulling straight from Microsoft, and computer groups…
Active Directory · Troubleshooting Event 4625 — An Account Failed to Log On Event 4625 fires on every failed logon anywhere in the domain, and the event’s own Failure Reason…
Windows · Print Services Print and Document Services Print and Document Services is the Windows Server role that turns a server into a central print server, and getting driver isolation…
Proxmox · Templates Proxmox VM Templates and Cloning How to turn a cloud-init-ready VM into a reusable Proxmox template, then clone it in seconds instead of reinstalling an operating system…
NTLM · Troubleshooting NTLM Blocked — STATUS_NTLM_BLOCKED After Restrict NTLM Policies A working app suddenly can’t log on after “Restrict NTLM” moves from Audit to Deny, and the fix starts…
Proxmox · Clustering Proxmox Cluster Setup A hands-on guide to building a Proxmox VE cluster with pvecm and Corosync, and to the quorum math that decides whether your cluster stays…
Windows · Backup & Recovery Windows Server Backup — VSS, System State, and Bare-Metal Recovery Windows Server Backup is the built-in backup role for Windows Server — here is how…
Active Directory · Troubleshooting Lingering Objects Blocking Replication — Event 1988 A domain controller logs Event 1988 and halts inbound replication when it encounters an object that was deleted and…
Windows · Admin Center Windows Admin Center A practical guide to Windows Admin Center, the browser-based management gateway that replaces Server Manager and MMC for administering Windows Server and Windows…
PowerShell · Basics Regex in PowerShell A practical guide to pattern matching in PowerShell with -match, -replace, -split, and Select-String — and the handful of regex gotchas that catch even…
Windows · Time Sync The Windows Time Service (W32Time) How W32Time keeps every computer in a domain on the same clock, why only the forest root PDC emulator is meant…
Active Directory · Troubleshooting Group Policy Preferences Drive Maps Not Applying — Item-Level Targeting When a Group Policy Preferences drive map GPO shows up as fully applied in gpresult and…
Claude Code · Automation Automating WordPress Publishing with Claude Code How to build an AI writer and an independent AI reviewer that research a topic, draft a full post in…
PowerShell · Basics PowerShell String Formatting — Here-Strings, -f, and Interpolation Gotchas A practical guide to the three ways PowerShell builds a string — double-quoted interpolation, the -f format operator,…
PowerShell · Modules Building and Importing Your Own PowerShell Modules A practical guide to packaging reusable PowerShell functions into a proper module: the .psm1 file, the manifest, and the PSModulePath…