Firefox 139 adds custom New Tab wallpapers, improved HTTP/3 performance, and AI-powered link previews, but nothing flashy - for the first time in a while.
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Flexbar, a crowdfunded Touch Bar clone, has begun shipping to backers. Better yet: the team has added Linux support too, which is great to see.
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When you build a server according to your plan and requirements, you want it to run quickly and efficiently, right?
The post How to Stop and Disable Unwanted Services from Linux System first appeared on Tecmint: Linux Howtos, Tutorials & Guides.FTP stands for File Transfer Protocol and is one of the most widely used and standard protocols over the Internet,
The post Top 15 VsFTP Server Interview Questions with Detailed Answers first appeared on Tecmint: Linux Howtos, Tutorials & Guides.Linux 6.15 kernel released with new NVIDIA Rust driver, major exFAT performance gains, controversial fwctl subsystem, and more hardware support.
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No need to hunt through GNOME Settings to adjust Night Light temperature intensity as this nifty extension adds an intensity slider control in the Quick Settings menu.
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Pocket, the popular "read it later" service Mozilla bought in 2017, is shutting down on July 8. Users have until October to export data. Why? Well…
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Canonical's kernel team has confirmed that Ubuntu 25.10 will run on the Linux 6.17 kernel - expected, following the distro maker's kernel cadence change.
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In an era where cyber threats are evolving rapidly, securing Linux systems goes far beyond basic user permissions. Traditional security mechanisms like Discretionary Access Control (DAC) offer limited safeguards against privilege escalation, compromised applications, and insider threats. To address these limitations, Security-Enhanced Linux (SELinux) offers a powerful, fine-grained framework for Mandatory Access Control (MAC) — and it's not just for Red Hat-based distributions anymore.
In this article, we'll explore how to integrate SELinux into Debian, one of the most widely used and respected GNU/Linux distributions. We'll break down its architecture, setup procedures, policy management, and troubleshooting techniques. Whether you're running a mission-critical server or seeking to harden your desktop environment, this guide will show you how SELinux can elevate your system security to enterprise-grade standards.
Understanding the Foundations of SELinux What Is SELinux?SELinux is a kernel security module initially developed by the United States National Security Agency (NSA) in collaboration with the open-source community. It introduces the concept of mandatory access controls by enforcing policy-based rules that strictly define how processes and users can interact with files, directories, sockets, and devices.
Unlike DAC, where file owners control access, MAC policies are imposed by the system administrator and enforced by the kernel, regardless of user ownership or permissions.
Core Components of SELinuxSubjects: Active entities (usually processes).
Objects: Passive entities (like files, directories, devices).
Contexts: Security labels assigned to subjects and objects.
Types/Domains: Used to define access rules and behavior.
Policies: Written rulesets that determine access control logic.
Enforcing: SELinux policies are applied and violations are blocked.
Permissive: Policies are not enforced, but violations are logged.
Disabled: SELinux is turned off entirely.
Debian has traditionally favored AppArmor for its simplicity and ease of integration. However, SELinux support is fully present in Debian’s repositories. As of Debian 12 (Bookworm) and later, integrating SELinux is more streamlined and better documented than ever.
Go to Full ArticleGNOME is looking to jettison X11 session support - as soon as this year, which may impact Ubuntu's plans for its next long-term support release.
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Imagine you’re happily working on your Linux system, maybe compiling a package, running updates, or just browsing and suddenly, your
The post How to Trigger and Fix a Linux Kernel Panic first appeared on Tecmint: Linux Howtos, Tutorials & Guides.High Tide, an unofficial TIDAL client for Linux, now offers background playback, audio normalisation, synced lyrics and various visual improvements.
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Fender Studio is a new free cross-platform DAW for Linux, backed by the iconic instrument maker. Learn what it can do and where to download.
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