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Linux Magazine #291 - Digital Issue
FEBRUARY 2025 – Optimizing Linux
All the classic Linux distros are optimized for some abstract "general purpose" use case that no one matches exactly. If you want to get better performance out of your system, you'll need to tune it yourself. This month we study some steps for tweaking system and network performance.
The digital issue will be added to your account when it is released in early January 2025.
DVD contents are not available with the digital version of the magazine.
IN THIS ISSUE:
Kernel News
* Protecting Future Feet
* Re-Enabling Legacy Graphics Hardware
* The Gift That Keeps on Giving
Optimizing Linux Performance
When you're tuning up Linux performance, you'll need to keep an eye on a number of components and parameters. This article describes some techniques for optimizing performance by tuning TCP/IP, reducing latency, and configuring NUMA-aware systems. You'll also learn about CPU scheduling and memory management tuning.
Distro Walk – KaOS
This Linux-from-scratch distribution does things its own way.
Capture the Flag
TryHackMe's Capture the Flag puzzles are a useful source for users who want to learn about ethical hacking and penetration testing.
Command Line – dpkg-reconfigure
A classic Debian tool, dpkg-reconfigure provides a convenient and efficient way to reconfigure previously installed packages.
FOSS Metasearch Engines
Alternative open source metasearch engines offer more privacy than mainstream search engines and can sometimes yield better results. While SearXNG is the best-known open source metasearch engine, 4get is a capable alternative worth checking out.
LocalSend
LocalSend lets you quickly and conveniently exchange data between devices on the same wireless network without the need for cables.
Container Management
If you want to run containers without the hassle of managing the host operating system, openSUSE MicroOS has you covered. Combined with Cockpit as a web interface, running and managing Podman containers has never been easier.
Programming Snapshot – Go Charting
Netflix keeps track of who watches which program and when. In this month's column, Mike Schilli whips up a Go program to analyze and draw fancy graphs of his viewing habits.
Fischertechnik Maker Kit Car
Build a remote control car with the Fischertechnik Maker Kit Car, MicroPython, and ESP32 microcontrollers.
Raspberry Pi 5 Remote Boot
In addition to enhanced performance, the Raspberry Pi 5 also comes with some new hidden functions, including options for time-controlled and remote start-up and shutdown.
Doghouse – Real Time
A work in progress for more than 20 years, real-time support in Linux's mainline kernel may at last be "good enough for all practical purposes."
Papers, Please
In Papers, Please, a multi-award-winning indie game, you check the credentials of people who try to enter the fictional state of Arstotzka. Because players are exposed to decision-making pressure, the game is more exciting than it sounds.
Rolling Versus Print Releases
Which is better: distributions that develop using point releases or those that use rolling releases?
FOSSPicks
Nate explores the top FOSS including the ultra-secure LibreWolf browser, new calibre features, an elegant GnuPG front end, and the graphically flawless evolution sim Thrive.
Tutorial – Label Printing
Labels, stickers, and index cards can help you with all kinds of organizational tasks. A tailored solution for creating and printing can save you tons of work.