Bash history is very powerful. Understanding how to effectively use the bash history expansions will make you extremely productive on the Linux command line.

This article explains 15 examples that uses bash history expansion features: http://www.thegeekstuff.com/2011/08/bash-history-expansion/

All kinds of organizations need bug trackers. Whether it's software developers, Web site developers, or just organizations with significant IT needs, bugs must be tracked. (And, you know, fixed.) To that end, there are plenty of bug tracking tools available, but none that are open source and as easy to install and manage as Mantis Bug Tracker. This weekend, get started tracking bugs with Mantis!

Read the full thing at http://www.linux.com/learn/tutorials/451190-weekend-project-manage-bugs-with-mantis

Although you have exchanged public keys with your remote server to avoid that boring bit of entering your super long secure user password everytime you are about to login, you still need to face ssh syntax in order get someting done. Yes, it is just single line command with few words but typing that line 30 times a day can take you at least 10 minutes of problem solving time, bore you and more iportatbly it may even give you a headache.

Read the full thing at http://linuxconfig.org/avoiding-tedious-remote-login-ssh-syntax

Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more. The complete list of supported platforms along with downloadable binary packages and soure code can be found at http://www.fwbuilder.org.

Read the full thing at http://www.howtoforge.com/using-firewall-builder-to-configure-cisco-asa-and-pix

Among many monitoring tools that available, most people use "top" (a part of procps package). Top provide almost everything we need to monitor our system's resource usage within single shot. In this article, all the information are based on procps 3.2.5 running on top of Linux kernel 2.6.x

Here, we assume that procps package is already installed and run well in your Linux system. No previous experience with top is needed here, but if you had given it a try briefly, that would be an advantage.

Read the full thing at http://www.linuxforums.org/articles/using-top-more-efficiently_89.html

This guide explains how to set up WebDAV with Apache2 on a Mandriva 2010.1 Spring server. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allow users to directly edit files on the Apache server so that they do not need to be downloaded/uploaded via FTP. Of course, WebDAV can also be used to upload and download files.

Read the full thing at http://www.howtoforge.com/how-to-set-up-webdav-with-apache2-on-mandriva-2010.1-spring

The Linux kernel exposes a wealth of information through the proc special filesystem. It's not hard to find an encyclopedic reference about proc. In this article I'll take a different approach: we'll see how proc tricks can solve a number of real-world problems. All of these tricks should work on a recent Linux kernel, though some will fail on older systems like RHEL version 4.

Read the full thing at http://blog.ksplice.com/2011/01/solving-problems-with-proc/

A series of videos that walks you through using VIM.

View them at http://ontwik.com/tools/vim-from-novice-to-professional-by-derek-wyatt-p1/

SSH is an awesome powerful tool, there are unlimited possibility when it comes to SSH, heres the top Voted SSH commands

Read the full thing at http://blog.urfix.com/25-ssh-commands-tricks/

Let's see how to install 3 plugins that will help your vim or approach becomes increasingly become a true IDE. I must say that since I started using it I am fascinated with this editor that although costs a lot to learn to use it at first, it is worth. But until now, had some disadvantages compared to a real IDE like Eclipse or NetBeans because it lacks some amenities that these programs offer.

Read the full thing at http://linux-software-news-tutorials.blogspot.com/2010/11/plugins-make-vim-true-ide.html