DNS

Common Problems 117555

Cloud-init Stuck on Boot Waiting for Network

🟠 High   ⏱ 5–30 min  Last verified: 19 January 2026 Affected versions: 20.04 📖 ~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 & Cross-Refs […]

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Common Problems 113892

RHEL 10 – dnf update fails with metadata download timeout behind proxy – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 January 2026 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 114019

RHEL 10 – Podman container cannot bind low port under SELinux enforcing – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 January 2026 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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How to Install Woodpecker CI on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Woodpecker CI on RHEL 10

Introduction Setting up install woodpecker 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 Woodpecker 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 122033

ZFS Dataset Fails to Mount at Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2026 Affected versions: FreeBSD 15 📖 ~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 rkhunter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install rkhunter on RHEL 10

Introduction How to Install rkhunter 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 production-safe. […]

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How to Set Up ZFS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up ZFS on RHEL 9

ZFS (Zettabyte File System) delivers enterprise-grade data integrity features including checksumming, copy-on-write snapshots, built-in RAID, and efficient replication — without requiring a separate volume manager. Although ZFS is not included in RHEL 9’s default kernel, the OpenZFS project provides DKMS-based packages that work reliably on RHEL 9. This tutorial covers installing OpenZFS, creating pools and […]

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Rocky Linux 9 — bind — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — bind — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8075 Related CVEs: CVE-2026-1519 CVE-2025-40778 CVE-2025-40780 Upstream summary: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); […]

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Common Problems 113910

RHEL 10 – AppStream modular dependency conflict blocks package install – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 January 2026 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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How to Install OpenTofu on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install OpenTofu on RHEL 10

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

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