October 2019 - Page 67 of 69

Common Problems 121701

Debian 9 – cloud-init Datasource Timeout Delays Boot – Fast Metadata Recovery

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 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 & […]

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Alpine Linux edge — gtk-vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gtk-vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.7.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gtk-vnc 0.7.0-r0 Related CVEs: CVE-2017-5884 CVE-2017-5885 Upstream summary: Alpine community repository for vedge ships gtk-vnc 0.7.0-r0 which addresses CVE-2017-5884. Table of contents Symptom & Impact […]

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Common Problems 118629

Ubuntu 16.04 LTS – SSL certificate validation fails due to outdated CA store – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 16.04 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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FreeBSD 12 — ioquake — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ioquake — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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Common Problems 118570

Ubuntu 16.04 webcam not working in video apps

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 a Web Application Firewall on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up a Web Application Firewall on SLES 15

Introduction This tutorial covers How to Set Up a Web Application Firewall on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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Common Problems 117996

Ubuntu 18.04 LTS – disk full under /var/log causes service failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 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 […]

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Common Problems 115990

Ubuntu 26.04 LTS unattended-upgrades Stuck and Holding dpkg

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 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 113557

Windows Server 2012 R2 — Offline WIM Servicing Fails to Inject Security Update CAB — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2026 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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How to Set Up a Private Docker Registry on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up a private docker registry on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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