Kernel Drivers

How to Manage Storage with Parted on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Manage Storage with Parted on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying manage storage with parted on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Manage Storage with Parted on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Common Problems 120016

Debian 12 Interface Rename Breaks Static Network Configuration

🟠 High   ⏱ 5–30 min  Last verified: 20 November 2023 Affected versions: Debian 12 📖 ~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 Set Up IPv6 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up IPv6 on Debian 12

Introduction This guide explains how to Set Up IPv6 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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Common Problems 117062

Ubuntu 22.04 GRUB menu missing after update

🟡 Medium   ⏱ 5–30 min  Last verified: 20 November 2023 📖 ~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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Common Problems 124587

Oracle Linux 9 – Common Problem 013 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 19 November 2023 Affected versions: Oracle Linux 9 📖 ~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 120111

Debian 12 – unattended-upgrades Leaves Pending Reboot Drift – Controlled Patch Flow

🟡 Medium   ⏱ 5–30 min  Last verified: 19 November 2023 Affected versions: Debian 12 📖 ~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 Set Up Terraform on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Terraform on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up terraform on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Terraform on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure OpenVPN Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure OpenVPN Server on Debian 12

Introduction How to Configure OpenVPN Server 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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How to Enable AppArmor Mandatory Access Control on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Enable AppArmor Mandatory Access Control on Debian 12

Introduction How to Enable AppArmor Mandatory Access Control 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 […]

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Amazon Linux 2 — kernel-livepatch-5.10.184-175.749 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.184-175.749 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-145 Related CVEs: CVE-2023-3609 CVE-2023-3776 Upstream summary: A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will […]

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