Kernel Drivers

How to Set Up Windows Server 2022 Group Policy Central Store — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Group Policy Central Store

What Are Microsoft Security Baselines Microsoft Security Baselines — formally known as the Microsoft Security Compliance Toolkit (MSCT) baselines or formerly the Microsoft Security Compliance Manager (SCM) baselines — are collections of Group Policy Object (GPO) settings that Microsoft recommends as a starting point for securing Windows Server deployments. These baselines are developed by Microsoft’s […]

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How to Set Up Victoriametrics on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Victoriametrics on Debian 12

Introduction This guide explains how to Set Up Victoriametrics on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the standard […]

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How to Configure Pyenv for Multiple Python Versions on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Pyenv for Multiple Python Versions on Debian 12

Introduction How to Configure Pyenv for Multiple Python Versions on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]

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How to Set Up a Bond Network Interface on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Bond Network Interface on Oracle Linux 9

Introduction How to Set Up a Bond Network Interface on Oracle Linux 9 on Oracle Linux 9 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 […]

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How to Configure Woodpecker CI on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Woodpecker CI on Debian 12

Introduction How to Configure Woodpecker CI on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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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Ubuntu 22.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8172-1 Related CVEs: CVE-2023-2861 CVE-2021-45464 Upstream summary: It was discovered that kvmtool did not properly manage memory under certain circumstances. A malicious guest attacker could use this issue to cause […]

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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-2023-12393)

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12393 Related CVEs: CVE-2023-32233 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up PHP-FPM Process Management on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up PHP-FPM Process Management on Oracle Linux 9

Introduction How to Set Up PHP-FPM Process Management on Oracle Linux 9 on Oracle Linux 9 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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Common Problems 112892

Windows Server 2016 — DNS Server service intermittently stops responding after cumulative update on Windows Server 2016 — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 July 2023 Affected versions: Windows Server 2016 📖 ~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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How to Configure SELinux in Permissive Mode on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure SELinux in Permissive Mode on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure selinux in permissive mode on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully […]

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