Ubuntu 24.04

Common Problems 116463

Ubuntu 24.04 LTS – systemd-resolved returns intermittent DNS failures

🟠 High   ⏱ 5–30 min  Last verified: 21 September 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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Common Problems 116431

GRUB Rescue Prompt After Update on Ubuntu 24.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 21 September 2025 Affected versions: 24.04 📖 ~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 […]

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Common Problems 116470

Ubuntu 24.04 LTS – Secure Boot blocks third-party kernel modules – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 September 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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How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 24.04

Nginx server blocks (the equivalent of Apache virtual hosts) let you host multiple websites on a single server. This guide creates a server block for a custom domain on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A domain name pointed to your server’s IP Step […]

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Ubuntu 24.04 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6763-1 Related CVEs: CVE-2024-4418 CVE-2024-1441 CVE-2024-2494 Upstream summary: Martin Širokov discovered that libvirt incorrectly handled certain memory operations. A local attacker could possibly use this issue to access virtproxyd without […]

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Ubuntu 24.04 — libreoffice — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libreoffice — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7504-1 Related CVEs: CVE-2025-2866 CVE-2025-1080 CVE-2024-12425 CVE-2024-12426 CVE-2024-6472 CVE-2024-5261 CVE-2024-3044 Upstream summary: Juraj Šarinay discovered that LibreOffice incorrectly handled verifying PDF signatures. A remote attacker could possibly use this issue […]

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Common Problems 116625

Ubuntu 24.04 LTS – apt-daily causes high CPU and IO during business hours – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 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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Common Problems 116624

Ubuntu 24.04 LTS – Time synchronization unstable due to timesyncd and chrony conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 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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Common Problems 116596

Ubuntu 24.04 LTS – No audio output with PipeWire – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 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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Ubuntu 24.04 — ironic — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ironic — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6989-1 Related CVEs: CVE-2024-44082 Upstream summary: Dan Smith, Julia Kreger and Jay Faulkner discovered that in image processing for Ironic, a specially crafted image could be used by an authenticated […]

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