Linux

Common Problems 120036

Debian 12 nftables Rules Not Persisting After Reboot

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2025 Affected versions: Debian 12 📖 ~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 116524

Ubuntu 24.04 LTS – UFW reload unexpectedly blocks SSH access

🔴 Critical   ⏱ 5–30 min  Last verified: 3 January 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

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How to Set Up a LAMP Stack on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up a LAMP Stack on CentOS Stream 10

Introduction How to Set Up a LAMP Stack on CentOS Stream 10 on CentOS Stream 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 […]

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Common Problems 116476

Ubuntu 24.04 LTS – Docker service fails to start after daemon.json edit – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 January 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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AlmaLinux 9 — libvirt — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libvirt — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:9128 Related CVEs: CVE-2024-8235 CVE-2024-4418 CVE-2024-2496 CVE-2024-1441 CVE-2024-2494 CVE-2023-3750 CVE-2023-2700 CVE-2022-0897 Upstream summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich […]

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Alpine Linux edge — qt6-qtbase — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — qt6-qtbase — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.7.2-r1 📖 ~4 min read  •  Source: Alpine secdb entry — qt6-qtbase 6.7.2-r1 Related CVEs: CVE-2024-39936 CVE-2023-32762 CVE-2023-32763 Upstream summary: Alpine community repository for vedge ships qt6-qtbase 6.7.2-r1 which addresses CVE-2024-39936. Table of contents Symptom & […]

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Alpine Linux 3.19 — sdl2_ttf — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — sdl2_ttf — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.20.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — sdl2_ttf 2.20.0-r0 Related CVEs: CVE-2022-27470 Upstream summary: Alpine community repository for vv3.19 ships sdl2_ttf 2.20.0-r0 which addresses CVE-2022-27470. Table of contents Symptom & Impact Environment […]

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openSUSE Leap 15.6 — wxQt — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — wxQt — 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-2025:01735-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-58249 Upstream summary: In wxWidgets before 3.2.7, a crash can be triggered in wxWidgets apps when connections are refused in wxWebRequestCURL. Table of contents […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12385)

🟠 High   ⏱ 15–60 min  Last verified: 3 January 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12385 Related CVEs: CVE-2024-2201 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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Alpine Linux 3.18 — orc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.4.39-r0 📖 ~4 min read  •  Source: Alpine secdb entry — orc 0.4.39-r0 Related CVEs: CVE-2024-40897 Upstream summary: Alpine main repository for vv3.18 ships orc 0.4.39-r0 which addresses CVE-2024-40897. Table of contents Symptom & Impact Environment […]

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