Ubuntu 24.04

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

Ubuntu 24.04 — bubblewrap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7046-1 Related CVEs: CVE-2024-42472 https://launchpad.net/bugs/2077087 Upstream summary: It was discovered that Flatpak incorrectly handled certain persisted directories. An attacker could possibly use this issue to read and write files in […]

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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 WireGuard VPN on Ubuntu 24.04

WireGuard is a modern, fast, and secure VPN protocol built into the Linux kernel. It is simpler to configure than OpenVPN and IPsec while offering superior performance. This guide sets up a WireGuard VPN server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server with a public IP […]

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Common Problems 116557

Ubuntu 24.04 LTS – filesystem remounts read-only after ext4 errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 8 August 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 — 7zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — 7zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7438-1 Related CVEs: CVE-2023-52168 CVE-2023-52169 Upstream summary: Igor Pavlov discovered that 7-Zip had several memory-related issues. An attacker could possibly use these issues to cause 7-Zip to crash, resulting in […]

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Common Problems 116523

Ubuntu 24.04 LTS – Microphone not detected in conferencing apps – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 August 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 116458

Ubuntu 24.04 LTS Netplan Apply Causes Immediate Network Loss

🟠 High   ⏱ 5–30 min  Last verified: 8 August 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 116445

Ubuntu 24.04 LTS – UFW rules accidentally block SSH access – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 August 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 — request-tracker5 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — request-tracker5 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7692-1 Related CVEs: CVE-2023-45024 CVE-2025-30087 CVE-2024-3262 CVE-2025-31501 CVE-2022-25803 CVE-2022-25802 CVE-2025-31500 CVE-2025-2545  +3 more Upstream summary: It was discovered that Request Tracker was susceptible to timing attacks. An attacker could possibly […]

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Common Problems 116511

Netplan Apply Breaks Network on Ubuntu 24.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 6 August 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 116510

Ubuntu 24.04 LTS – SSH public key authentication fails – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 August 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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