Kernel Drivers

Oracle Linux 9 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — security and stability fixes — required update (ELSA-2024-2758)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2758 Related CVEs: CVE-2024-25742 CVE-2023-6240 CVE-2024-25743 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 IPv6 Dual-Stack Networking on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure IPv6 Dual-Stack Networking on RHEL 9

IPv6 adoption continues to accelerate as IPv4 address space is exhausted, and most production servers now need to serve traffic over both protocols simultaneously. RHEL 9 supports dual-stack networking natively through NetworkManager, allowing IPv4 and IPv6 addresses to coexist on the same interface without additional kernel modules. Configuring dual-stack correctly involves not only assigning addresses […]

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How to Install SQLite3 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install SQLite3 on Debian 12

Introduction How to Install SQLite3 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 tutorial […]

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Common Problems 120156

Debian 12 Docker Daemon Startup Failure from cgroup Driver Mismatch

🟠 High   ⏱ 5–30 min  Last verified: 4 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 CentOS Stream 9 in Oracle Cloud Infrastructure — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up CentOS Stream 9 in Oracle Cloud Infrastructure

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up centos stream 9 in oracle cloud infrastructure both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up CentOS Stream 9 in Oracle Cloud Infrastructure, including dnf module streams where applicable, systemd unit management, and the […]

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Amazon Linux 2 — kernel-livepatch-4.14.328-248.540 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.328-248.540 — multiple vulnerabilities (3 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-2024-163 Related CVEs: CVE-2023-6040 CVE-2023-6606 CVE-2023-6932 Upstream summary: An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a […]

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How to Install Forgejo on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Forgejo on Debian 12

Introduction Deploying install forgejo on debian 12 on a Debian 12 Bookworm 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 Before you begin, ensure […]

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How to Install PostgreSQL on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install PostgreSQL on Debian 12

Introduction How to Install PostgreSQL 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 tutorial […]

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Common Problems 120009

Debian 12: Docker service fails after kernel update

🟠 High   ⏱ 5–30 min  Last verified: 3 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 S3FS FUSE Mount on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up S3FS FUSE Mount on Debian 12

Introduction This guide explains how to Set Up S3FS FUSE Mount 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 […]

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