Logging Monitoring

Common Problems 119472

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

🟠 High   ⏱ 5–30 min  Last verified: 2 October 2025 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: 2 October 2025 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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Alpine Linux 3.20 — sox — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — sox — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 14.4.2-r5 📖 ~4 min read  •  Source: Alpine secdb entry — sox 14.4.2-r5 Related CVEs: CVE-2017-13571 CVE-2017-11358 CVE-2017-15370 CVE-2017-11332 CVE-2017-11359 CVE-2017-15372 CVE-2017-13642 CVE-2017-18189  +10 more Upstream summary: Alpine community repository for vv3.20 ships sox 14.4.2-r5 which […]

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How to Install Docker CE on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Docker CE on RHEL 10

Introduction How to Install Docker CE on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and […]

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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: 2 October 2025 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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openSUSE Leap 15.6 — python311-marshmallow — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-marshmallow — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0226-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-68480 Upstream summary: Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes. In versions from 3.0.0rc1 to before […]

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Alpine Linux 3.19 — icu — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — icu — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 74.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — icu 74.1-r1 Related CVEs: CVE-2025-5222 CVE-2020-21913 CVE-2020-10531 CVE-2017-7867 CVE-2017-7868 CVE-2016-7415 CVE-2016-6293 Upstream summary: Alpine main repository for vv3.19 ships icu 74.1-r1 which addresses CVE-2025-5222. Table […]

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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: 2 October 2025 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: 2 October 2025 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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