Linux

Common Problems 117132

Ubuntu 22.04 unattended-upgrades causes package contention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 2025 📖 ~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 References & Further […]

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How to Install CodeIgniter on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install CodeIgniter on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install codeigniter on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install CodeIgniter on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 116479

Ubuntu 24.04 LTS Chromium Screen Sharing Fails on Wayland

🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 2025 📖 ~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 References & Further […]

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Common Problems 114131

RHEL 10 – GRUB default kernel selection misconfigured after rollback – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 2025 Affected versions: RHEL 10 📖 ~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 116440

Ubuntu 24.04 LTS – netplan apply causes network outage – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 June 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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Amazon Linux 2 — pam — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — pam — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3057 Related CVEs: CVE-2025-6020 CVE-2025-8941 CVE-2024-10041 CVE-2024-22365 Upstream summary: A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker with a malicious broker could possibly […]

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Alpine Linux 3.20 — hivex — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — hivex — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.3.19-r2 📖 ~4 min read  •  Source: Alpine secdb entry — hivex 1.3.19-r2 Related CVEs: CVE-2021-3504 Upstream summary: Alpine community repository for vv3.20 ships hivex 1.3.19-r2 which addresses CVE-2021-3504. Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — linux-gcp-6.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gcp-6.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6895-2 Related CVEs: CVE-2023-52631 CVE-2023-52637 CVE-2023-52638 CVE-2023-52642 CVE-2023-52643 CVE-2023-52645 CVE-2023-52880 CVE-2023-6270  +12 more Upstream summary: It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained […]

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Ubuntu 24.04 — ckeditor — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ckeditor — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7258-1 Related CVEs: CVE-2022-24728 CVE-2023-28439 CVE-2024-24815 CVE-2024-24816 CVE-2024-43411 Upstream summary: Kevin Backhouse discovered that CKEditor did not properly sanitize HTML content. An attacker could possibly use this issue to perform […]

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