Oracle Linux 9

Oracle Linux 9 — glib2 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — glib2 — security and stability fixes — required update (ELSA-2023-6631)

🟢 Low   ⏱ 5–15 min  Last verified: 5 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6631 Related CVEs: CVE-2023-32665 CVE-2023-32611 CVE-2023-29499 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 Chef Client on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Chef Client on Oracle Linux 9

Introduction How to Configure Chef Client on Oracle Linux 9 on Oracle Linux 9 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 is […]

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Oracle Linux 9 — gstreamer1-plugins-bad-free — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gstreamer1-plugins-bad-free — vulnerability — patch and remediation guide (ELSA-2024-2287)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2287 Related CVEs: CVE-2023-40475 CVE-2023-50186 CVE-2023-40474 CVE-2023-40476 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12824)

🟠 High   ⏱ 15–60 min  Last verified: 5 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12824 Related CVEs: CVE-2023-42753 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — Virtual Machines Fail to Start at Boot Because the virbr0 Interface Isn't Available — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Virtual Machines Fail to Start at Boot Because the virbr0 Interface Isn’t Available

🟠 High   ⏱ 5–30 min  Last verified: 4 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug 34237540 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 […]

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How to Install MongoDB on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install MongoDB on Oracle Linux 9

Introduction Setting up install mongodb on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install MongoDB on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-6583)

🟠 High   ⏱ 15–60 min  Last verified: 3 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6583 Related CVEs: CVE-2022-3594 CVE-2023-4194 CVE-2023-35825 CVE-2023-3141 CVE-2023-26545 CVE-2022-3565 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 Configure MySQL Replication on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure MySQL Replication on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure MySQL Replication on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the default […]

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Oracle Linux 9 — xorg-x11-server-Xwayland update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server-Xwayland update (ELSA-2025-19623)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19623 Related CVEs: CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 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 Install HAProxy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install HAProxy on Oracle Linux 9

Introduction How to Install HAProxy on Oracle Linux 9 on Oracle Linux 9 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 is reproducible […]

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