Are your systems behaving? Is your newest workstation too busy for its memory? Stay ahead of problems on your network with the free and versatile monitoring tool known as Nagios.

The user rules in Linux – if you know where you’re going. This month the trail leads deep into the Linux Bluetooth stack.

Hundreds of thousands of registered users have chosen their favorite Sourceforge projects in 14 categories. Also in this issue: Linux electrified, and Freenet’s plans for freedom of speech on the web. We’ll also round up the latest Debian news.

Do you ever wish you could run Linux within Linux? Or how about DOS within Linux? QEMU is an open source application that lets you emulate a complete hardware environment within your Linux system.

The Radius protocol is typically used to authenticate users in dial-up scenarios. But Radius is also useful in LAN environments: in combination with 802.1X, Radius forces users to authenticate at a low level before the switch opens up a port.

What could be more boring than watching a computer run through an error-free boot routine? Why watch for messages that may never appear? Every second you save adds to your valuable leisure time. Bootchart helps you find those valuable leisure moments.

Hardware which just works is what every user wants. Current Linux distributions go a long way to fulfilling that dream. In this article, we will be investigating how the hotplug system works.

The principle behind Rsnapshot is nothing new: use Rsync and SSH to back up files to another computer. What sets Rsnapshot apart is its simple setup and its rich collection of features.

If you do not receive a response to a ping, or if the response is seriously delayed, you might like to take this as a warning. But who wants to ping all day? You need a ping-based monitoring utility like Smokeping.

Data always seems to get lost at exactly the wrong moment, but the right backup strategy can help you restore those missing files.