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 set up ibm cloud powervs instance with aix 7.2 […]
Introduction to System Center Operations Manager System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring platform designed for large-scale Windows environments. It uses management packs — extensible plug-ins — to provide out-of-the-box monitoring intelligence for Windows Server operating systems, SQL Server, IIS, Active Directory, Hyper-V, and hundreds of third-party applications. SCOM uses agents deployed to […]
🟠 High ⏱ 5–30 min Last verified: 11 September 2019 Affected versions: 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 Monitor Windows Server 2012 R2 with Performance Monitor Performance Monitor (PerfMon) is the built-in diagnostic tool in Windows Server 2012 R2 for collecting, analysing, and logging performance data from the operating system, hardware, and applications. It provides real-time graphing of hundreds of performance counters covering CPU, memory, disk, network, and application-specific metrics. When […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to harden ssh on ibm aix 7.1 on IBM AIX […]
🔴 Critical ⏱ 5–30 min Last verified: 10 September 2019 Affected versions: Debian 9 📖 ~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 Set Up a LEMP Stack on RHEL 7 A LEMP stack — Linux, Nginx, MySQL, and PHP — is one of the most common foundations for modern dynamic web applications. On RHEL 7 the individual components are available from a combination of the base repositories, the EPEL community repository, the official MySQL community […]
How to Configure Network Load Balancing (NLB) on Windows Server 2012 R2 Network Load Balancing (NLB) is a Windows Server feature that distributes incoming network traffic across multiple servers in a cluster, improving application scalability and availability. Unlike Failover Clustering, NLB is designed for stateless workloads — typically web servers, terminal servers, VPN concentrators, and […]
How to Configure Windows Server 2019 RDMA Networking Remote Direct Memory Access (RDMA) networking allows data to be transferred directly between application memory on different servers, bypassing the CPU and operating system kernel for data movement. This dramatically reduces CPU utilization, latency, and memory bandwidth consumption for high-throughput workloads. Windows Server 2019 supports RDMA through […]
🟠 High ⏱ 5–30 min Last verified: 8 September 2019 Affected versions: 14.04 📖 ~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 […]
