List of helpful Linux Tools / Links

Webmin is the ultimate web-based management platform for Linux and several other operating systems. Written in Perl, it simplifies and streamlines standard administrative tasks. Additionally, Webmin helps you configure very complex implementations of Apache, MySQL and SendMail. If you haven’t experienced Webmin, you should, it’s the essential administration tool.

Byobu is an elegant enhancement of the otherwise functional, plain, practical GNU Screen. Byobu includes an enhanced profile and configuration utilities for the GNU screen window manager, such as toggle-able system status notifications.

tcpdump is a powerful command-line packet analyzer; and libpcap, a portable C/C++ library for network traffic capture.

VNC has become one of the most readily recognized and widely utilized remote access tools in the System Administrator’s toolbox. Its broad acceptance is due in part to its platform-independence. VNC is easy to install, simple to configure and available for almost every contemporary operating system.

GParted is a free partition editor for graphically managing your disk partitions.
GParted is useful for tasks such as: creating space for new operating systems, restructuring disk space to separate user and operating system data, and copying partitions to enable upgrading to a larger hard disk drive.

DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).

If you've ever looked at your ssh log (/var/log/secure on Redhat, /var/log/auth.log on Mandrake, etc...) you may be alarmed to see how many hackers attempted to gain access to your server. Hopefully, none of them were successful (but then again, how would you know?). Wouldn't it be better to automatically prevent that attacker from continuing to gain entry into your system?

DenyHosts attempts to address the above...

Nagios is an extensive and somewhat complex network monitoring tool. It has the ability to monitor a variety of hosts, services and protocols. It is an enterprise class tool that is essential in every network regardless of size or complexity. With Nagios, you can monitor, alert, resolve and report on network problems. It also has trending and capacity planning capabilities. Nagios is an extrememly extensible tool through its plugins, addons, extensions and modules.

Linux Rescue CD - Numerous rescue CDs exist for every task or imaginable situation. There are a three notable standouts in the crowd for those of you who don’t have one of these in your arsenal: The Ubuntu Rescue Remix, Parted Magic and GRML. Ubuntu Rescue Remix

is a command line-based data recovery and forensics tools compilation (CD or USB). Parted Magic is a super diagnostic and rescue CD/USB/PXE that contains extensive documentation. GRML is a Debian-based live CD that contains a collection of System Administrator tools for system rescue, network analysis or as a working Linux distribution.

dropbox is an essential backup and cross-platform file exchange tool. With Dropbox, you can leave home without your essential toolbox but still keep it with you where ever you go.

Darik's Boot and Nuke ("DBAN") is a self-contained boot disk that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction