Boot Startup

Common Problems 114126

RHEL 10 – kdump service fails because reserved crash memory is insufficient – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 September 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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Ubuntu 24.04 — twitter-bootstrap4 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — twitter-bootstrap4 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7556-1 Related CVEs: CVE-2024-6484 CVE-2024-6531 CVE-2024-6485 Upstream summary: It was discovered that Bootstrap did not correctly sanitize certain input in the carousel component. An attacker could possibly use this issue […]

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How to Install MongoDB 8 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install MongoDB 8 on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install mongodb 8 on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration will […]

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How to Configure Traefik Reverse Proxy on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Traefik Reverse Proxy on Oracle Linux 10

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

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How to Install Icinga 2 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Icinga 2 on Debian 13

Introduction This guide explains how to Install Icinga 2 on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard […]

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How to Install OpenTofu on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install OpenTofu on Debian 13

Introduction This guide explains how to Install OpenTofu on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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How to Configure the GRUB Bootloader on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure the GRUB Bootloader on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure the grub bootloader on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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How to Configure Prometheus Node Exporter on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Prometheus Node Exporter on Oracle Linux 10

Introduction This tutorial demonstrates how to Configure Prometheus Node Exporter on Oracle Linux 10 on Oracle Linux 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 Oracle Linux 10 system with the […]

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How to Monitor Nginx with Prometheus on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Monitor Nginx with Prometheus on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying monitor nginx with prometheus on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor Nginx with Prometheus on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Common Problems 124188

Oracle Linux 10 – dracut rebuild omits multipath modules causing boot device not found

🔴 Critical   ⏱ 5–30 min  Last verified: 12 September 2025 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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