How to Set Up Health Attestation Service on Windows Server 2016 Device Health Attestation (DHA) is a Windows Server 2016 feature that allows an organization to verify the security health of Windows 10 and Windows Server 2016 devices before granting them access to corporate resources. The Health Attestation Service works by communicating with the Trusted […]
How to Set Up Windows Server 2016 PowerShell Web Access PowerShell Web Access (PSWA) is a feature in Windows Server 2016 that provides a web-based PowerShell console, allowing administrators to run PowerShell commands from any device with a modern browser. This is particularly valuable in environments where traditional remote management tools are blocked by firewalls, […]
🔴 Critical ⏱ 5–30 min Last verified: 12 June 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
How to Configure High Availability for File Services on Windows Server 2012 R2 High Availability (HA) for File Services on Windows Server 2012 R2 uses the Failover Clustering feature to ensure file shares remain accessible even when individual servers fail. Unlike a Scale-Out File Server — which provides active-active file serving across all nodes — […]
Introduction to Scale-Out File Server on Windows Server 2019 Scale-Out File Server (SoFS) is a Windows Server 2019 failover cluster role that presents Cluster Shared Volumes (CSV) as SMB 3.x file shares that all cluster nodes simultaneously serve. Unlike a traditional clustered file server where only one node owns the storage at a time, SoFS […]
Learn how the the cloud provider VPC features work together to isolate a multi-tenant system, and how you can leverage more complex networking for your complex applications.
🟡 Medium ⏱ 5–30 min Last verified: 11 June 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
How to Configure DNS Split-Brain (Split Horizon) on Windows Server 2012 R2 DNS Split-Brain (also called Split Horizon DNS) is a configuration where the same DNS namespace resolves to different IP addresses depending on where the query originates. The most common use case is a corporate domain (contoso.com) that must resolve to internal IP addresses […]
How to Set Up PostgreSQL Streaming Replication on RHEL 7 PostgreSQL streaming replication allows a standby server to continuously receive and apply WAL (Write-Ahead Log) records from a primary server in near real time, maintaining an up-to-date hot standby copy of the database. This is the foundation of high availability and read scaling strategies in […]
How to Set Up Windows Server 2016 Privileged Access Workstation A Privileged Access Workstation (PAW) is a dedicated, hardened workstation used exclusively for administrative tasks. The PAW concept is a Microsoft best practice for protecting high-value accounts and systems from credential theft and lateral movement. By separating privileged administration from everyday user activity, a PAW […]
