Linux & Unix Tutorials

DarkStat is a simple Packet Sniffing Network Traffic/Bandwidth monitoring utility for Linux and UNIX. DarkStat presents simple webinterface with nice graphs and stats auto-refreshed. Darkstat uses a very low footprint and the memory, CPU usage and is used in pfSense, redWall opensource firewalls.

Claws Mail is a free opensource lightweight, user friendly and fast email client for Linux. Claws Mail is a quick response email client with easy configuration, intuitive operation and abundant features, extensibility, robustness and stability.

flimp is a generic graphical frontend to the many excellent command line image manipulation tools available. It allows you to create pipelines of commands that read from standard input and write to standard output. One can view and compare the result of each stage of the pipeline. flimp leaves the input image file untouched; the pipeline is saved in a text file.

A very good Hands on tutorial on operating Linux for the beginners. This tutorial teaches the basic commands and steps on how to operate Linux.

QVideoConverter is a simple video converter to convert Video files or DVDs to Divx Videos. QVideoConverter is a simple frontend GUI for mencoder which converts the videos to DivX format. QVideoConverter can auto detect the the Real Video Area and can Normalize video. QVideoConverter allows you to set the Bitrate, file size (MB), Framerate and Video resolution.

Byzanz is a free opensource GNOME based Command-Line utility to capture desktop recording software for linux. This should probably be the coolest command-line utility that I have seen in recent days. Byzanz records your desktop session to an animated GIF. You can record your entire screen, a single window, an arbitrary region or even follow the cursor.

Krusader is an advanced twin panel (commander style) file manager for KDE and other desktops in the *nix world, similar to Midnight or Total Commander. It provides all the file management features you could possibly want with features like extensive archive handling, mounted filesystem support, FTP, advanced search module, an internal viewer/editor, directory synchronisation etc

openSUSE and SUSE Linux sets default values for some of the network related Kernel parameters. With Kernel 2.6 (default in recent releases of openSUSE & SuSE Linux), there are some fine tuning you can do to improve Network performance and get that extra out of your system.

rsnapshot is a filesystem backup utility based on rsync. Using rsnapshot, it is possible to take snapshots of your filesystems at different points in time. Using hard links, rsnapshot creates the illusion of multiple full backups, while only taking up the space of one full backup plus differences. When coupled with ssh, it is possible to take snapshots of remote filesystems as well.

Kernel-based Virtual Machine (KVM) is a Linux kernel virtualization infrastructure. KVM is a full virtualization solution for Linux on x86 hardware containing virtualization extensions Intel VT (vmx) or AMD-V (svm). KVM also requires a modified QEMU although work is underway to get the required changes upstream.