October 2025 - Page 105 of 109

Common Problems 119472

Debian 13 – systemd-resolved DNS Outages Cause Name Resolution Failures – Repair Guide

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 13 (Trixie) 📖 ~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 Configure SSH with FIDO2 Hardware Keys on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure SSH with FIDO2 Hardware Keys on Debian 13

Introduction Deploying configure ssh with fido2 hardware keys on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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Debian 13 — owslib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — owslib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-27476 Upstream summary: OWSLib is a Python package for client programming with Open Geospatial Consortium (OGC) web service interface standards, and their related content models. OWSLib's XML parser (which […]

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Debian 13 — gnome-shell-extension-gsconnect — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnome-shell-extension-gsconnect — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-32898 CVE-2025-32900 CVE-2025-66270 Upstream summary: The KDE Connect verification-code protocol before 2025-04-18 uses only 8 characters and therefore allows brute-force attacks. This affects KDE Connect before 1.33.0 on […]

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Debian 13 — dnsjava — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — dnsjava — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-50387 CVE-2023-50868 CVE-2024-25638 Upstream summary: Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial […]

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Common Problems 116436

Ubuntu 24.04 LTS – UFW blocks required inbound service ports – Fix & Prevention

🟠 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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Debian 13 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10069 CVE-2021-26825 CVE-2021-26826 Upstream summary: In Godot through 3.1, remote code execution is possible due to the deserialization policy not being applied correctly. Table of contents Symptom & […]

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Ubuntu 24.04 — ruby-webrick — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ruby-webrick — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7709-1 Related CVEs: CVE-2025-6442 CVE-2024-47220 Upstream summary: It was discovered that WEBrick incorrectly parsed HTTP headers. In configurations where WEBrick is placed behind an HTTP proxy, a remote attacker could […]

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How to Install Lua on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Lua on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install lua on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration will persist […]

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Common Problems 111189

Windows Server 2025 — Hyper-V snapshot merge fails leaving orphaned AVHDX file — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2025 📖 ~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 Errors […]

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