Introduction This tutorial demonstrates how to Configure Oracle Linux 8 with FCoE Storage on Oracle Linux 8. 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 Oracle Linux 8 system with the default […]
🟠 High ⏱ 15–60 min Last verified: 2 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-4852 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 […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up vlan tagging on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]
🟢 Low ⏱ 5–15 min Last verified: 2 December 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-13290 CVE-2020-26519 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7 Running a single PostgreSQL instance is a liability in any production environment — it is a single point of failure that, when it goes down, takes your entire application with it. Patroni is an open-source, Python-based high-availability solution for PostgreSQL that uses […]
🟢 Low ⏱ 5–15 min Last verified: 1 December 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-3466 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 1 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-4536 Related CVEs: CVE-2023-30581 CVE-2023-30588 CVE-2023-30590 CVE-2023-30589 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install nginx via aix toolbox on ibm aix 7.2 […]
🟢 Low ⏱ 5–15 min Last verified: 1 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5990-1 Related CVEs: CVE-2019-14697 CVE-2020-28928 Upstream summary: It was discovered that musl did not handle certain i386 math functions properly. An attacker could use this vulnerability to cause a denial […]
Introduction How to Set Up Port Knocking on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
