RHEL 10

Common Problems 114072

Firewalld rich rule ignored due to wrong zone

🟡 Medium   ⏱ 5–30 min  Last verified: 9 October 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Rich rule exists but traffic is still blocked. Symptoms firewall-cmd lists rule […]

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How to Install Drone CI on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Drone CI on RHEL 10

Introduction Setting up install drone ci on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Drone CI on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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Common Problems 113995

RHEL 10 – LVM thin pool reaches 100 percent and root filesystem turns read-only

🔴 Critical   ⏱ 5–30 min  Last verified: 7 October 2025 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~1 min read 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 Prevention & […]

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How to Install GitLab Runner on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install GitLab Runner on RHEL 10

Introduction Setting up install gitlab runner on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install GitLab Runner on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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How to Monitor Nginx with nginx-prometheus-exporter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor Nginx with nginx-prometheus-exporter on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying monitor nginx with nginx-prometheus-exporter both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor Nginx with nginx-prometheus-exporter on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You […]

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Common Problems 114114

RHEL 10 – multipath Reports Duplicate WWID and Path Flapping – Storage Path Normalization

🟠 High   ⏱ 5–30 min  Last verified: 5 October 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read 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 Prevention & Hardening Related […]

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Common Problems 114016

RHEL 10 journald Disk Usage Grows Unbounded

🟡 Medium   ⏱ 5–30 min  Last verified: 4 October 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read 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 Prevention & Hardening Related […]

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Common Problems 113921

RHEL 10 – NetworkManager service not starting after config drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 October 2025 Affected versions: RHEL 10 📖 ~1 min read 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 Prevention & Hardening Related Errors & […]

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How to Install Docker CE on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Docker CE on RHEL 10

Introduction How to Install Docker CE on RHEL 10 on RHEL 10 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 and […]

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How to Configure PostgreSQL Streaming Replication on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure PostgreSQL Streaming Replication on RHEL 10

Introduction This tutorial demonstrates how to Configure PostgreSQL Streaming Replication 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 default AppStream repositories […]

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