Logging Monitoring

Common Problems 113919

RHEL 10 – rpmdb corruption causes dnf commands to abort – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 September 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 & Hardening Related […]

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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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How to Set Up UFW Firewall on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up UFW Firewall on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up ufw firewall on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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Amazon Linux 2 — lasso — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — lasso — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3077 Related CVEs: CVE-2025-46404 CVE-2025-46705 CVE-2025-46784 CVE-2025-47151 CVE-2021-28091 Upstream summary: A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can […]

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Common Problems 127029

CentOS Stream 10 – Common Problem 157 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 16 September 2025 Affected versions: CentOS Stream 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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NetBSD 10.0 — py-openpyxl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-openpyxl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-5992 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36}-openpyxl<2.4.2 for vulnerability class 'xml-external-entity'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5992 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 124086

Oracle Linux 10 – nftables rules overwritten by legacy iptables service – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 2025 Affected versions: Oracle Linux 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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How to Configure firewalld on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure firewalld on Oracle Linux 10

Introduction Setting up configure firewalld on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure firewalld on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 124009

Oracle Linux 10 – systemd service enters failed state after boot due to unit ordering – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 2025 Affected versions: Oracle Linux 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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NetBSD 10.0 — ja-squirrelmail-1.4.3* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ja-squirrelmail — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ja-squirrelmail for vulnerability class 'cross-site-scripting'. Reference: http://www.squirrelmail.org/security/issue/2005-01-14 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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