Security Hardening

How to Create and Manage Swap Space on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Create and Manage Swap Space on Oracle Linux 10

Introduction Setting up create and manage swap space 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 Create and Manage Swap Space on Oracle Linux 10, with all the commands you need, the SELinux and firewalld […]

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Windows Server 2016 — KB5055547 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5055547 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5055547 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27491 CVE-2023-40547 CVE-2025-26665 CVE-2025-26669 CVE-2025-26668  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

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Common Problems 111072

Windows Server 2025 — IIS port 80 conflict with another application on Windows Server 2025 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2025 Affected versions: Windows Server 2025 📖 ~2 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 127048

CentOS Stream 10 – Common Problem 159 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 28 July 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 — spotifyd — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — spotifyd — 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 spotifyd-[0-9]* for vulnerability class 'unknown'. Reference: https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 124179

Oracle Linux 10 kdump Does Not Capture vmcore After Kernel Panic

🔴 Critical   ⏱ 5–30 min  Last verified: 28 July 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 — go118 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — go118 — multiple vulnerabilities (20 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-2022-29526 CVE-2022-32148 CVE-2022-30629 CVE-2022-30580 CVE-2022-1705 CVE-2022-2880 CVE-2022-27536 CVE-2022-24675  +12 more Upstream summary: pkgsrc audit-packages flagged go118<1.18.2 for vulnerability class 'unspecified'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-29526 Table of contents Symptom & Impact Environment […]

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How to Configure CentOS Stream 10 for Edge Computing — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure CentOS Stream 10 for Edge Computing

Introduction This tutorial demonstrates how to Configure CentOS Stream 10 for Edge Computing on CentOS Stream 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 CentOS Stream 10 system with the default […]

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Common Problems 124145

Oracle Linux 10 – tuned Profile Reverts Unexpectedly After Reboot – Persistent Performance Tuning

🟡 Medium   ⏱ 5–30 min  Last verified: 28 July 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 — xenkernel413 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xenkernel413 — multiple vulnerabilities (20 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-2022-26362 CVE-2022-26363 CVE-2022-26364 CVE-2020-28368 CVE-2022-26356 CVE-2022-33745 CVE-2022-33748 CVE-2020-25595  +12 more Upstream summary: pkgsrc audit-packages flagged xenkernel413<4.13.4nb1 for vulnerability class 'privilege-escalation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-26362 Table of contents Symptom & Impact Environment […]

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