Capacity Planning

How to Set Up SQL Server Monitoring on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up SQL Server Monitoring on Windows Server 2012 R2

How to Set Up SQL Server Monitoring on Windows Server 2012 R2 Monitoring SQL Server on Windows Server 2012 R2 requires a multi-layered approach that covers both OS-level performance (CPU, memory, disk I/O) and SQL Server-specific metrics (wait statistics, query performance, blocking, index fragmentation, database file sizes, and backup status). This guide covers setting up […]

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Common Problems 115592

High load average with kswapd and I/O wait

🟡 Medium   ⏱ 5–30 min  Last verified: 14 November 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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Common Problems 113614

Windows Server 2016 – Hyper-V host reboot leaves critical VMs in saved state – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 14 November 2019 Affected versions: Windows Server 2016 📖 ~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 Scan for Vulnerabilities with OpenVAS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 7

How to Scan for Vulnerabilities with OpenVAS on RHEL 7 OpenVAS (Open Vulnerability Assessment System), now part of the Greenbone Vulnerability Management (GVM) framework, is one of the most capable open-source vulnerability scanners available. It maintains a continuously updated feed of over 50,000 Network Vulnerability Tests (NVTs) and can detect misconfigurations, outdated software, missing patches, […]

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How to Configure Hyper-V Checkpoints on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Hyper-V Checkpoints on Windows Server 2019

Introduction to Hyper-V Checkpoints on Windows Server 2019 Hyper-V Checkpoints (formerly called Snapshots) capture the state of a running virtual machine at a specific point in time, allowing you to revert the VM to that state if needed. This is invaluable before applying updates, making configuration changes, testing software installations, or performing any risky operation. […]

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Common Problems 115059

RHEL 8 – logrotate Misconfiguration Leads to /var/log Disk Exhaustion

🟡 Medium   ⏱ 5–30 min  Last verified: 5 November 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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Common Problems 118112

Ubuntu 18.04 LTS LVM volume extension not reflected in filesystem

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 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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Common Problems 118555

High Swap Usage and OOM Killer Events

🟡 Medium   ⏱ 5–30 min  Last verified: 3 November 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 Windows Server Update Services (WSUS) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server Update Services (WSUS) on Windows Server 2019

How to Set Up Windows Server Update Services (WSUS) on Windows Server 2019 Windows Server Update Services (WSUS) is a free update management solution from Microsoft that allows administrators to centrally manage the distribution of updates released through Microsoft Update to computers in a network. WSUS reduces internet bandwidth consumption by downloading updates once to […]

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Common Problems 112621

Windows Server 2019 – Failover cluster node enters repeated quarantine loop – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 November 2019 Affected versions: Windows Server 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 […]

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