chris

How to Tune Kernel Parameters with sysctl on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on CentOS Stream 10

Introduction How to Tune Kernel Parameters with sysctl on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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

NetBSD 10.0 — libgdata — 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 libgdata<0.11.1 for vulnerability class 'man-in-the-middle-attack'. Reference: http://secunia.com/advisories/48315/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Schedule Tasks with systemd Timers on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Schedule Tasks with systemd Timers on RHEL 10

Introduction Setting up schedule tasks with systemd timers on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Schedule Tasks with systemd Timers on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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NetBSD 10.0 — flightgear — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — flightgear — multiple vulnerabilities (4 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-2016-9956 CVE-2017-8921 CVE-2017-13709 CVE-2025-0781 Upstream summary: pkgsrc audit-packages flagged flightgear-[0-9]* for vulnerability class 'buffer-overflow'. Reference: http://secunia.com/advisories/48780/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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How to Set Up ISC DHCP Server on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up ISC DHCP Server on Oracle Linux 10

Introduction This tutorial demonstrates how to Set Up ISC DHCP Server on Oracle Linux 10 on Oracle Linux 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 10 system with […]

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Common Problems 113965

RHEL 10 – NetworkManager drops static route after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 4 August 2025 Affected versions: RHEL 10 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 & […]

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NetBSD 10.0 — sylpheed — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — sylpheed — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-2958 CVE-2006-2920 CVE-2007-1267 CVE-2017-17517 Upstream summary: pkgsrc audit-packages flagged sylpheed<2.4.5 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2958 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

NetBSD 10.0 — libprelude — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-3736 Upstream summary: pkgsrc audit-packages flagged libprelude<1.0.0 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3736 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 24.04 — less — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — less — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6756-1 Related CVEs: CVE-2024-32487 Upstream summary: It was discovered that less mishandled newline characters in file names. If a user or automated system were tricked into opening specially crafted files, […]

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NetBSD 10.0 — libntfs — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libntfs — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-30785 CVE-2022-30786 CVE-2022-30787 CVE-2022-30788 CVE-2022-30789 CVE-2022-30783 CVE-2022-30784 Upstream summary: pkgsrc audit-packages flagged libntfs-[0-9]* for vulnerability class 'privilege-escalation'. Reference: https://www.debian.org/security/2015/dsa-3268 Table of contents Symptom & Impact Environment & Reproduction Root […]

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