🟡 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 […]
Introduction Setting up configure aide on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure AIDE on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
Introduction How to Configure Server Blocks in Nginx on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
OpenLiteSpeed is the open-source version of LiteSpeed Web Server — a high-performance, event-driven server with a built-in WebAdmin GUI. It handles PHP natively via LiteSpeed SAPI, which is significantly faster than PHP-FPM. This guide installs it on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with […]
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 […]
🟠 High ⏱ 5–30 min Last verified: 8 October 2025 Affected versions: CentOS Stream 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 […]
🔴 Critical ⏱ 5–30 min Last verified: 8 October 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 […]
Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying configure nftables on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure nftables on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction This tutorial demonstrates how to Harden SSH 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 default AppStream […]
Introduction This guide explains how to Install node_exporter 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 […]
