Oracle Linux 9

How to Set Up a Firewall with firewalld on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Firewall with firewalld on Oracle Linux 9

Introduction This tutorial demonstrates how to Set Up a Firewall with firewalld 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 […]

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Oracle Linux 9 — vim — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — vim — vulnerability — patch and remediation guide (ELSA-2024-9405)

🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9405 Related CVEs: CVE-2021-3903 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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How to Secure MySQL on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Secure MySQL on Oracle Linux 9

Introduction This tutorial demonstrates how to Secure MySQL 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 AppStream […]

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How to Configure SELinux Targeted Policy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure SELinux Targeted Policy on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure selinux targeted policy on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SELinux Targeted Policy on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Oracle Linux 9 — libmicrohttpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libmicrohttpd — vulnerability — patch and remediation guide (ELSA-2023-6566)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6566 Related CVEs: CVE-2023-27371 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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How to Automate Oracle Linux 9 Deployment with Kickstart — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Automate Oracle Linux 9 Deployment with Kickstart

Introduction How to Automate Oracle Linux 9 Deployment with Kickstart 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 — Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings (XK2-XB5-CWB) (Olrnt)

🟠 High   ⏱ 5–30 min  Last verified: 25 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_xk2_xb5_cwb 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 Manage Users and Groups on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Manage Users and Groups on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying manage users and groups on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Manage Users and Groups on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2023-4955)

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4955 Related CVEs: CVE-2023-4573 CVE-2023-4577 CVE-2023-4578 CVE-2023-4051 CVE-2023-4581 CVE-2023-4583 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 Install CodeIgniter on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install CodeIgniter on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install codeigniter on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install CodeIgniter on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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