Linux

Ubuntu 20.04 — linux-kvm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-kvm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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How to Deploy a Django Application with Gunicorn and Nginx on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Deploy a Django Application with Gunicorn and Nginx on RHEL 9

Django is a high-level Python web framework that follows the “batteries included” philosophy — it provides an ORM, authentication, admin interface, form validation, URL routing, templating, and security middleware out of the box. This makes Django the framework of choice for data-driven applications and content management systems where rapid development and maintainability matter. Django’s ORM […]

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AlmaLinux 9 — iputils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — iputils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:17558 Related CVEs: CVE-2025-48964 CVE-2025-47268 Upstream summary: The iputils packages contain basic utilities for monitoring a network, including ping. Security Fix(es): * iputils: iputils integer overflow (CVE-2025-48964) For more details about the […]

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Amazon Linux 2023 — openexr — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — openexr — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1612 Related CVEs: CVE-2026-34378 CVE-2026-34380 CVE-2026-34588 CVE-2026-27622 CVE-2025-12495 CVE-2025-12839 CVE-2026-34544 CVE-2024-31047  +4 more Upstream summary: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage […]

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How to Set Up a Next.js 15 Application on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Manage Node.js Versions with NVM on Ubuntu 26.04

NVM (Node Version Manager) lets you install and switch between multiple Node.js versions on a single machine. This is invaluable for development environments where different projects require different Node.js versions. This guide installs NVM on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user account (does not require […]

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AlmaLinux 8 — javacc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — javacc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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Debian 13 — open62541 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — open62541 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-53429 Upstream summary: Open62541 v1.4.6 is has an assertion failure in fuzz_binary_decode, which leads to a crash. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Set Up Ingress with NGINX in Kubernetes on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Ingress with NGINX in Kubernetes on RHEL 10

Introduction This tutorial demonstrates how to Set Up Ingress with NGINX in Kubernetes on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the […]

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Debian 13 — openvpn — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — openvpn — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2531 CVE-2005-2532 CVE-2005-2533 CVE-2005-2534 CVE-2005-3393 CVE-2005-3409 CVE-2006-1629 CVE-2008-3459  +12 more Upstream summary: OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush […]

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