Digital Issues

Issue #301: Cron vs. Systemd Timers

You've been automating with cron for years, but is this the time to break old habits? Systemd offers additional options for setting timers, and it really isn't as complicated as it looks. This month, we compare the old and new.

On the DVD: AlmaLinux Minimal 10.0 and openSUSE Leap 16.0

DVD contents are not available with the digital version of the magazine.

Issue #300: Create a Linux Virus

Linux has built up some strong defenses through the years, but the top virus writers still have some tricks for getting in. If you want to keep your systems safe, you'd better learn to think like a virus. Being that this is our 300th issue, we also have some special features where we look back at our last 25 years of publishing!

DVD contents are not available with the digital version of the magazine.

The digital issue will be released in early October 2025.

Issue #299: Auditing

Today's cybercriminals have sneaky techniques for hijacking system files and system calls. By the time they settle in, it might be too late, so the best defense is vigilance. The Linux kernel auditing system watches events that could indicate an attack. We'll show you how to configure and manage kernel auditing.

The digital issue will be released in early September 2025.

DVD contents are not available with the digital version of the magazine.

Issue #298: Indie Game Studio

Proprietary software is expensive and it can slow you down. You can't even get started on your task until you spend a lot of money. Luckily, you don't need proprietary software to get started with game development. This month we explore some free tools you can use for rolling your own indie games.

DVD contents are not available with the digital version of the magazine.

Issue #297: Cleaning Up

Linux comes with lots of files, and more are added every time you download software, install packages, or navigate a system update. Plus logs get longer, and who knows what's really in that /tmp directory. Once in a while, it makes sense to clean it all up.

DVD contents are not available with the digital version of the magazine.

Issue #296: Pen Testing

Intruders have a way of sneaking past the defenses. All your firewall rules are never enough. If you are wondering how an attacker could get in, you need to learn to think like an attacker. The Internet offers many resources for those who want to get started with penetration testing.

DVD contents are not available with the digital version of the magazine.

Issue #295: GRUB GUIs

Customizing the Linux boot process requires a dive into GRUB. If you're the type who likes to go spelunking through documentation, you can get by with tweaking the config files, but a GRUB GUI tool is a safer and simpler route.

DVD contents are not available with the digital edition of the magazine.

Issue #294: Secure Browsers

The Internet is much nosier than it used to be, and many believe leading browsers like Chrome and Firefox are part of the problem. This month we highlight some secure browser alternatives that will help you surf without leaving a trail.

DVD contents are not available with the digital version of the magazine.

Issue #293: Trojan Horse

We're all taught to fear Trojan horse programs, but what are they really? This month we steal a look inside to show how attackers use Trojans to stash their nefarious code in ordinary applications.

DVD contents are not available with the digital version of the magazine.