Linux

Common Problems 124131

Oracle Linux 10 – auditd backlog limit reached drops security events – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 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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Common Problems 124122

Oracle Linux 10 – PAM account lockout policy too aggressive – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 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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Common Problems 124064

Oracle Linux 10 – Rootless Podman Fails with Permission Denied in Storage – User Namespace Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 21 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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Common Problems 119606

Debian 13 Nginx Fails to Start Due to Port Collision

🟡 Medium   ⏱ 5–30 min  Last verified: 21 September 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 Rust on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Rust on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install rust both straightforward and auditable. This tutorial covers the complete procedure for how to Install Rust on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The procedure assumes you are […]

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How to Run Lynis Security Audit on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Run Lynis Security Audit on Debian 13

Introduction This guide explains how to Run Lynis Security Audit on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the […]

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Common Problems 119599

Debian 13 Docker or containerd Fails After Kernel Update

🟡 Medium   ⏱ 5–30 min  Last verified: 21 September 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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Debian 13 — python-glanceclient — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-glanceclient — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4111 Upstream summary: The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with […]

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Debian 13 — pigz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pigz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0296 CVE-2015-1191 Upstream summary: Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those […]

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Common Problems 116566

Ubuntu 24.04 LTS – Time drift breaks TLS and package updates – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 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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