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Hands-on Guide to Linux Server Security Auditing and Hardening with Lynis

By IT From Zero October 29, 2026

A hands-on guide to auditing and hardening Linux server security with Lynis during a midnight incident. Learn installation, custom.prf tuning, fixing 3 common flaws, and setting up automated Telegram alerts.

Ubuntu

Ubuntu Server Security Auditing with Lynis: Vulnerability Scanning and Practical Hardening

By IT From Zero October 10, 2026

A hands-on guide to installing Lynis on Ubuntu Server, analyzing Hardening Index reports, fixing common security flaws, and automating audits via cron.

Security

Linux Server Security Audit with Lynis: From Installation to a Hardening Index of 80+

By IT From Zero March 8, 2026

Lynis runs directly inside your server and checks over 200 configuration points that remote scanners simply can't see. This guide walks through installation, interpreting results, and fixing real-world warnings — from SSH to kernel hardening — to push your hardening index from 55 up to 80+.

Security

Detecting and Responding to a Hacked Server: A Practical Step-by-Step Guide

By IT From Zero February 28, 2026

A step-by-step guide to detecting and responding to a compromised Linux server: from manual command-line inspection and rootkit scanning with rkhunter/chkrootkit, to server isolation and setting up Fail2ban for long-term defense. Includes real commands and hands-on experience.