Common Problems

Common Problems 121084

Debian 10: MariaDB startup fails with InnoDB corruption

🔴 Critical   ⏱ 5–30 min  Last verified: 27 July 2020 Affected versions: Debian 10 📖 ~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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Common Problems 118444

Ubuntu 16.04 LTS /boot partition full blocks kernel updates

🟡 Medium   ⏱ 5–30 min  Last verified: 27 July 2020 Affected versions: 16.04 📖 ~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 […]

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Common Problems 117607

Ubuntu 20.04 LTS – failed fstab mount entry blocks startup target – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 July 2020 Affected versions: Ubuntu 20.04 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 […]

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Common Problems 115104

kdump Not Capturing Kernel Crash Dumps

🟡 Medium   ⏱ 5–30 min  Last verified: 27 July 2020 📖 ~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 113401

Windows Server 2012 R2 — AD account repeatedly locked out moments after unlock — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 July 2020 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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Common Problems 112411

Windows Server 2019 – Failover cluster loses quorum after witness outage – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 July 2020 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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Oracle Linux 8 — numpy — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — numpy — vulnerability — patch and remediation guide (ELSA-2019-3704)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3704 Related CVEs: CVE-2019-6446 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Ubuntu 16.04 — xawtv — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xawtv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4518-1 Related CVEs: CVE-2020-13696 Upstream summary: Matthias Gerstner discovered that xawtv incorrectly handled opening files. A local attacker could possibly use this issue to open and write to arbitrary files […]

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Common Problems 113476

Windows Server 2012 R2 – Endpoint filter driver deadlock blocks file and network I/O – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 July 2020 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 […]

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