Firewall

Common Problems 113897

RHEL 10 – DNF metadata download fails behind proxy with Curl error 28 – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 April 2026 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 Kustomize on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Kustomize on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install kustomize both straightforward and auditable. This tutorial covers the complete procedure for how to Install Kustomize on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The procedure assumes you are […]

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How to Install PostgreSQL 17 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install PostgreSQL 17 on RHEL 10

Introduction Setting up install postgresql 17 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install PostgreSQL 17 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 Configure Container Networking with CNI on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Container Networking with CNI on RHEL 10

Introduction Setting up configure container networking with cni on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Container Networking with CNI on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Configure SELinux Booleans for Custom Apps on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure SELinux Booleans for Custom Apps on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure selinux booleans for custom apps both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SELinux Booleans for Custom Apps on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Common Problems 124139

Oracle Linux 10 – tuned profile switches back to balanced unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 April 2026 Affected versions: Oracle Linux 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 Configure Apache as a Reverse Proxy on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure apache as a reverse proxy both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Apache as a Reverse Proxy on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Install Ansible Navigator on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Ansible Navigator on RHEL 10

Introduction This tutorial demonstrates how to Install Ansible Navigator 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 enabled. […]

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How to Configure mod_rewrite Rules in Apache on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure mod_rewrite Rules in Apache on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure mod_rewrite rules in apache both straightforward and auditable. This tutorial covers the complete procedure for how to Configure mod_rewrite Rules in Apache on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 114055

RHEL 10 – dnf-automatic timer saturates I/O during business hours

🟡 Medium   ⏱ 5–30 min  Last verified: 11 April 2026 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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