This guide explains how to set up the free, open‑source Lynis tool on a CentOS 8 server, run comprehensive system audits, explore its command‑line options, and interpret the generated security reports to strengthen Linux host defenses.
This guide explains what Lynis is, walks through installing it on CentOS 8, and demonstrates how to run full system audits, select specific test groups, and view detailed results, helping administrators harden Linux servers with a free open‑source tool.
Learn how to install and use Lynis, the open-source Linux security auditing tool, to perform comprehensive system scans, examine groups like kernel and firewalls, interpret reports, and automate vulnerability detection on CentOS 8, empowering administrators to strengthen server defenses.
This article outlines the motivation, design principles, architecture, component choices, and step‑by‑step implementation of a comprehensive server security audit system, covering server information collection, log gathering, access control checks, local vulnerability detection, abnormal traffic analysis, and integration with ELK, Hadoop, and open‑source tools like Lynis and OSSEC.
