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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-2023-12119)

🟠 High   ⏱ 15–60 min  Last verified: 8 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12119 Related CVEs: CVE-2022-4139 CVE-2022-42896 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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Node JS Architecture - Single Threaded Event Loop — step-by-step Javascript tutorial on Progressive Robot

Node JS Architecture – Single Threaded Event Loop

URL: https://www.progressiverobot.com/node-js-architecture-single-threaded-event-loop/ Today we will look into Node JS Architecture and Single Threaded Event Loop model. In our previous posts, we have discussed about [Node JS Basics](/community/tutorials/introduction-to-node-js-basics "Introduction to Node JS – Node.js Basics"), [Node JS Components](/community/tutorials/node-js-components-modules-npm-install-update-uninstall-example "Node.js Components – Node.js modules, NPM install update uninstall example") and [Node JS installation](/community/tutorials/node-js-environment-setup-node-js-installation "Node JS Environment Setup […]

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How to Configure Windows Server 2022 Routing and Remote Access — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Routing and Remote Access

How to Configure SSL/TLS in IIS on Windows Server 2022 Securing your IIS websites with SSL/TLS is essential for protecting data in transit and establishing trust with visitors. Windows Server 2022 ships with IIS 10, which supports modern TLS configurations including TLS 1.3. This guide covers obtaining and importing SSL certificates, binding them to IIS […]

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Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide (ELSA-2025-20518-0)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20518-0 Related CVEs: CVE-2022-48830 CVE-2022-49024 CVE-2022-49269 CVE-2022-49353 CVE-2022-49357 CVE-2022-49432 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Scan for Vulnerabilities with OpenVAS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 9

OpenVAS, now distributed as Greenbone Community Edition (GCE), is one of the most comprehensive open-source vulnerability scanners available, capable of identifying thousands of known CVEs across network services, web applications, and operating system configurations. Installing it natively on RHEL 9 requires complex dependency management, so the recommended approach is to deploy it via Docker Compose, […]

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Настройка брандмауэра с помощью firewalld в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Настройка брандмауэра с помощью firewalld в CentOS 8

firewalld — программное обеспечение для управления брандмауэрами, поддерживаемое многими дистрибутивами Linux. Выступает в качестве клиентского интерфейса для встроенных в ядро Linux систем фильтрации пакетов…

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Debian 11 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-21594 CVE-2020-21595 CVE-2020-21596 CVE-2020-21597 CVE-2020-21598 CVE-2020-21599 CVE-2020-21600 CVE-2020-21601  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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