Logging Monitoring

Arch Linux — okular — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — okular — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202003-10 Related CVEs: CVE-2020-9359 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 19.12.3-2. Fixed in: 19.12.3-3. Group: AVG-1113. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — lua — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — lua — vulnerability — patch and remediation guide (ELSA-2021-4510)

🟢 Low   ⏱ 5–15 min  Last verified: 3 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4510 Related CVEs: CVE-2020-24370 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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Oracle Linux 8 — keepalived — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — keepalived — security and stability fixes — required update (ELSA-2022-1930)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1930 Related CVEs: CVE-2021-44225 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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Debian 10 — e2fsprogs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — e2fsprogs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-5094 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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Common Problems 119114

Ubuntu 14.04 LTS PAM Authentication Failures for Local Users

🟡 Medium   ⏱ 5–30 min  Last verified: 2 October 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 117913

Ubuntu 18.04 LTS DNS resolution fails intermittently with systemd-resolved

🟡 Medium   ⏱ 5–30 min  Last verified: 2 October 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 112970

Windows Server 2016 — Boot fails after pending updates remain in servicing state — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 October 2020 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 Set Up Oracle Linux 8 with KVM Virtualization — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 with KVM Virtualization

Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 with KVM Virtualization on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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How to Use Puppet Agent on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use Puppet Agent 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 use puppet agent on ibm aix 7.2 on IBM […]

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Oracle Linux 8 — unzip — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — unzip — vulnerability — patch and remediation guide (ELSA-2020-1787)

🟢 Low   ⏱ 5–15 min  Last verified: 2 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1787 Related CVEs: CVE-2019-13232 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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