Kernel Drivers

How to Enable SSL/TLS with Let's Encrypt on Apache2 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Enable SSL/TLS with Let’s Encrypt on Apache2 on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up enable ssl/tls with let’s encrypt on apache2 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 […]

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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-2024-12151)

🟠 High   ⏱ 15–60 min  Last verified: 19 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12151 Related CVEs: CVE-2022-29900 CVE-2023-25775 CVE-2023-45863 CVE-2023-4244 CVE-2022-29901 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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

How to Install Prometheus on Debian 12

Introduction How to Install Prometheus 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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How to Set Up Chef Infra Client on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Chef Infra Client on Debian 12

Introduction How to Set Up Chef Infra Client 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-4.14.290-217.505 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.290-217.505 — vulnerability — 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-2022-094 Related CVEs: CVE-2022-2588 Upstream summary: A use-after-free flaw was found in route4_change in the net/sched/cls_route.c filter implementation in the Linux kernel. This flaw allows a local user to crash […]

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Amazon Linux 2 — kernel-livepatch-4.14.336-257.566 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.336-257.566 — vulnerability — 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-2024-171 Related CVEs: CVE-2023-52628 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of […]

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How to Set Up Node Exporter for Server Metrics on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Node Exporter for Server Metrics on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up node exporter for server metrics 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 […]

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How to Set Up a Certificate Authority with OpenSSL on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on Debian 12

Introduction How to Set Up a Certificate Authority with OpenSSL 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 […]

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How to Encrypt Disk Partitions with LUKS on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on Debian 12

Introduction How to Encrypt Disk Partitions with LUKS 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-5.10.184-175.731 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.184-175.731 — 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-2023-142 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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