Kernel Drivers

How to Mount SMB/CIFS Shares on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Mount SMB/CIFS Shares on RHEL 10

Introduction How to Mount SMB/CIFS Shares on RHEL 10 on RHEL 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 configuration is reproducible and […]

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Common Problems 119610

Debian 13 GRUB Update Leaves System Booting Old Kernel

🟡 Medium   ⏱ 5–30 min  Last verified: 23 October 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 Telegraf on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Telegraf on Debian 13

Introduction How to Install Telegraf on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

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Common Problems 111162

Windows Server 2025 — ‘Configuring Windows Updates’ hung at 35% after cumulative update — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 October 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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NetBSD 9.4 — xenkernel418 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xenkernel418 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-27466 CVE-2025-58142 CVE-2025-58143 CVE-2025-58149 CVE-2025-58150 CVE-2025-27465 CVE-2025-1713 CVE-2025-58147  +2 more Upstream summary: pkgsrc audit-packages flagged xenkernel418<20260317 for vulnerability class 'null-pointer-dereference'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-27466 Table of contents Symptom & Impact Environment […]

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How to Configure auditd on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure auditd on Debian 13

Introduction Deploying configure auditd on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need a registered Debian 13 […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50100)

🟠 High   ⏱ 15–60 min  Last verified: 22 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50100 Related CVEs: CVE-2025-39964 CVE-2025-40022 CVE-2025-40083 CVE-2025-40211 CVE-2025-40248 CVE-2025-40254 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-28067)

🟠 High   ⏱ 15–60 min  Last verified: 22 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-28067 Related CVEs: CVE-2025-40248 CVE-2025-40271 CVE-2025-40280 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How to Configure Swap Space on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Swap Space on Debian 13

Introduction How to Configure Swap Space on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

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How to Configure SSL/TLS with OpenSSL on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on Oracle Linux 10

Introduction How to Configure SSL/TLS with OpenSSL on Oracle Linux 10 on Oracle Linux 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 configuration […]

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