selinux Archives - Page 4 of 4 - ITFROMZERO

Configuring SELinux on Rocky Linux: Don’t Disable It Before You Understand What It Does

By IT From Zero March 6, 2026

From firsthand experience migrating 5 servers off CentOS 8 EOL to Rocky Linux, this guide covers how to configure SELinux properly — from Permissive for debugging to Enforcing on production — with practical audit2allow, sealert, and semanage examples.

Fedora

Configuring SELinux on Fedora: From Enforcing Mode to Custom Policies for Your Application

By IT From Zero March 1, 2026

SELinux on Fedora is often disabled the moment it causes the first error — but doing so removes the most important security layer. This guide walks you through debugging denial logs, fixing file contexts, leveraging built-in booleans, and creating custom policies with audit2allow so your app runs correctly and your server stays secure.

Fedora

Installing Fedora Server and Initial Configuration: Steps You Cannot Skip

By IT From Zero March 1, 2026

A practical guide to installing Fedora Server and configuring it correctly from the start, covering user creation, SSH key-based lockdown, firewalld configuration, keeping SELinux enabled, and installing fail2ban. Compiled from real-world experience after 6 months running in production.