July 2024 - Page 6 of 106

Common Problems 116558

Ubuntu 24.04 LTS TLS Certificate Validation Fails Due to CA Store Issues

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 24.04 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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How to Set Up Unbound DNS Resolver on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Unbound DNS Resolver on FreeBSD 14

Introduction This guide explains how to Set Up Unbound DNS Resolver on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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Alpine Linux 3.18 — usbredir — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — usbredir — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.12.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — usbredir 0.12.0-r0 Related CVEs: CVE-2021-3700 Upstream summary: Alpine community repository for vv3.18 ships usbredir 0.12.0-r0 which addresses CVE-2021-3700. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.18 — sdl_image — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — sdl_image — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.2.12-r5 📖 ~4 min read  •  Source: Alpine secdb entry — sdl_image 1.2.12-r5 Related CVEs: CVE-2019-13616 Upstream summary: Alpine community repository for vv3.18 ships sdl_image 1.2.12-r5 which addresses CVE-2019-13616. Table of contents Symptom & Impact Environment […]

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Common Problems 116478

Ubuntu 24.04 LTS cloud-init Waits Indefinitely for Datasource

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 24.04 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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Alpine Linux 3.18 — ircii — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — ircii — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 20210314-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ircii 20210314-r0 Related CVEs: CVE-2021-29376 Upstream summary: Alpine community repository for vv3.18 ships ircii 20210314-r0 which addresses CVE-2021-29376. Table of contents Symptom & Impact Environment […]

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Windows Server 2016 — KB5039330 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5039330 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5039330 • MSRC update-guide entry Related CVEs: CVE-2024-30080 CVE-2024-30069 CVE-2024-30076 CVE-2024-30077 CVE-2024-30078 CVE-2024-30082 CVE-2024-35250 CVE-2023-50868  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04

Two-Factor Authentication (2FA) adds an extra layer of security to SSH by requiring a time-based one-time password (TOTP) in addition to your SSH key or password. This guide configures Google Authenticator PAM for SSH 2FA on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo […]

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Windows Server 2016 — KB5040498 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5040498 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5040498 • MSRC update-guide entry Related CVEs: CVE-2024-38060 CVE-2024-38077 CVE-2024-38074 CVE-2024-38191 CVE-2024-30081 CVE-2024-35270 CVE-2024-38025 CVE-2024-38034  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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FreeBSD 14 — dircproxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — dircproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dircproxy — remote denial of service Related CVEs: CVE-2007-5226 Upstream summary: Securiweb reports: dircproxy allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without […]

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