Security Hardening

Common Problems 124115

Oracle Linux 10 – dnf-automatic timer saturates I/O during business hours

🟡 Medium   ⏱ 5–30 min  Last verified: 8 August 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 124102

Oracle Linux 10 – static routes disappear because nm-cloud-setup overwrites networking – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 August 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 Install Neo4j on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Neo4j on CentOS Stream 10

Introduction Setting up install neo4j on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Neo4j on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 124066

Oracle Linux 10 – SSH public key login denied by SELinux context mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 August 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 — xentools415 — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xentools415 — multiple vulnerabilities (17 CVEs) — 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-2022-42323 CVE-2022-42322 CVE-2022-42309 CVE-2022-42326 CVE-2022-42325 CVE-2022-42321 CVE-2022-42319 CVE-2022-42320  +9 more Upstream summary: pkgsrc audit-packages flagged xentools415-[0-9]* for vulnerability class 'arbitrary-memory-access'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-42323 Table of contents Symptom & Impact Environment […]

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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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NetBSD 10.0 — thin — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — thin — 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 thin<1.2.4 for vulnerability class 'source-address-spoofing'. Reference: http://secunia.com/advisories/36825/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 122602

Daemon Fails Because Missing Shared Library After pkg Operations

🟠 High   ⏱ 5–30 min  Last verified: 8 August 2025 Affected versions: FreeBSD 14 📖 ~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 Install FreeIPA on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install FreeIPA on Oracle Linux 10

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

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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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