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 […]
🟡 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 […]
🟠 High ⏱ 5–30 min Last verified: 11 June 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]
How to Set Up ZFS on RHEL 7 ZFS (Zettabyte File System) originated at Sun Microsystems and is widely regarded as the most feature-rich and reliable open-source file system available. It combines volume management, RAID, checksumming, copy-on-write snapshots, deduplication, and transparent compression into a single unified stack. The ZFS on Linux (ZoL) project brings these […]
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 […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure bootlist on ibm aix 7.2 on IBM AIX […]
Introduction to Azure Monitor for Windows Server 2019 Azure Monitor is Microsoft’s comprehensive monitoring service that collects, analyzes, and acts on telemetry data from Azure resources, on-premises servers, and hybrid environments. For Windows Server 2019 machines — whether on-premises, in Azure, or in other clouds — Azure Monitor can collect performance metrics, Windows Event Logs, […]
Login banners are a critical security control that display legal warnings before and after users authenticate to a system. On RHEL 8, three separate mechanisms control banner messages: /etc/issue for local console pre-login text, /etc/issue.net for SSH pre-login banners, and /etc/motd for the message of the day shown after login. Properly configured banners inform authorized […]
🟠 High ⏱ 5–30 min Last verified: 9 June 2019 Affected versions: Ubuntu 14.04 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 […]
