The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in almost any kind of work environment, from a desktop PC to the sever facilities of a big company.

In this ebook "The GNU/Linux Operating System", the main contents are related with system administration.

The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in almost any kind of work environment, from a desktop PC to the sever facilities of a big company.

In this ebook "The GNU/Linux Operating System", the main contents are related with system administration. You will learn how to install and configure several computer services, and how to optimize and synchronize the resources using GNU/Linux.

FreeBSD 7.0 has already been released. If you are a real hacker, the best way to jump in and learn it is hacking together an introductory kernel module. In this article I’ll implement a very basic module that prints a message when it is loaded, and another when it is unloaded. I’ll also cover the mechanics of compiling our module using standard tools and rebuilding the stock FreeBSD kernel.

iWave Systems announced a COM (computer module) based on Freescale's i.MX51 SoC (system-on-chip). The iW-i.MX51 includes up to 512MB of RAM and 2GB of flash storage, runs Linux and Android, and works with an available iW-Rainbow-G8D development baseboard, the company says.

Of course, the move to Lighttpd is not a small one, especially if our Apache configuration makes use of its many features. Systems tied into Apache as a module may make the move hard or even impossible without porting the module to a Lighttpd module or moving the functionality into CGI programs, if possible. We can ease the pain by moving in small steps.

Dell announced Thursday that it's offering a memory module called Latitude On Flash that can boot up a computer in seconds. Dell's Latitude On Flash module snaps into an internal mini-card slot and allows computers to boot in a few seconds, using the laptop's main x86 processor.

Learning Nagios 3.0 is a comprehensive configuration guide to monitor and maintain your network and systems. It is a practical guide to setting up the Nagios 3.0 open source network monitoring tool, installing and configuring Nagios 3 on various operating systems. It will help understand system monitoring and how Nagios works.

So, you want to write a kernel module. You know C, you've written a few normal programs to run as processes, and now you want to get to where the real action is, to where a single wild pointer can wipe out your file system and a core dump means a reboot.