tag

#selinux

3 posts

LinuxFix July 6, 2026 2 min read

Fixing SELinux Denials Blocking a Legitimate Service

A service that works fine with SELinux disabled fails mysteriously with it enforcing. Here's how to read audit.log, generate a targeted policy module, and fix the actual denial instead of disabling protection.

#fix#selinux#security

LinuxDeep Dive July 4, 2026 3 min read

SELinux vs. AppArmor: Mandatory Access Control on Linux

How SELinux's label-based policy and AppArmor's path-based profiles both extend Linux's discretionary permission model, and how to work with each day to day.

#selinux#apparmor#security

LinuxFix November 13, 2025 3 min read

Diagnosing a Linux Service That Fails Silently from a Permission Denial

A service won't start, logs are unhelpful, and the files look correctly owned. SELinux and AppArmor enforce a second, invisible layer of permissions — here's how to check it.

#fix#selinux#apparmor