Cpu Memory

Common Problems 117954

Ubuntu 18.04 high CPU usage from background indexing

🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 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 […]

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How to Set Up SNMP on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up SNMP on Windows Server 2019

Introduction to SNMP on Windows Server 2019 Simple Network Management Protocol (SNMP) is a standard protocol for monitoring and managing network devices and servers. On Windows Server 2019, the SNMP service allows network monitoring systems such as Nagios, Zabbix, PRTG, SolarWinds, and Cacti to query the server for operational data including system information, network interface […]

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Common Problems 115439

RHEL 7 journalctl missing expected boot logs after rotation

🟡 Medium   ⏱ 5–30 min  Last verified: 16 July 2019 Affected versions: RHEL 7 📖 ~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 & […]

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How to Configure Nginx FastCGI Caching on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Nginx FastCGI Caching on RHEL 8

Nginx FastCGI caching dramatically reduces PHP processing load by storing rendered responses on disk and serving them directly to subsequent visitors. On RHEL 8, combining Nginx with a PHP-FPM backend and a well-configured cache can cut backend response times by 80–95% for cacheable pages. This tutorial walks through configuring the fastcgi_cache_path directive, defining cache keys, […]

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How to Set Up IIS Application Pools on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up IIS Application Pools on Windows Server 2019

Introduction to IIS Application Pools on Windows Server 2019 Application Pools in IIS 10 on Windows Server 2019 are isolated worker process containers that host one or more web applications. Each application pool runs as a separate w3wp.exe process, meaning that a crash, memory leak, or security breach in one application cannot directly affect applications […]

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Common Problems 115137

RHEL 8 kdump Fails To Capture vmcore After Kernel Panic – RHEL 8 Post 150

🟡 Medium   ⏱ 5–30 min  Last verified: 13 July 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 […]

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How to Configure Hyper-V Generation 2 Virtual Machines on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Hyper-V Generation 2 Virtual Machines on Windows Server 2019

How to Configure Hyper-V Generation 2 Virtual Machines on Windows Server 2019 Hyper-V Generation 2 virtual machines represent a significant architectural advancement over Generation 1 VMs in Windows Server 2019. Generation 2 VMs use a purely UEFI-based firmware, remove legacy virtual hardware devices, and support modern features such as Secure Boot, shielded VMs, and faster […]

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Common Problems 115120

RHEL 8 kdump Not Capturing vmcore After Kernel Panic

🟡 Medium   ⏱ 5–30 min  Last verified: 12 July 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 […]

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How to Monitor System Performance with topas on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Monitor System Performance with topas on IBM AIX 7.2

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 monitor system performance with topas on ibm aix 7.2 […]

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How to Configure Storage Spaces Direct (S2D) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Storage Spaces Direct (S2D) on Windows Server 2019

Introduction to Storage Spaces Direct on Windows Server 2019 Storage Spaces Direct (S2D) is a feature in Windows Server 2019 that enables you to build highly available and scalable software-defined storage using local storage drives. It replaces the need for expensive shared SAN or NAS hardware by pooling internal drives across multiple servers into a […]

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