Free e-Book: Linux Command Line and Shell Scripting Bible

January 15th, 2009 Suppose you were concentrating hard to develop something new and editing a file in vim editor. Just when you thought you are done with the problem, the save option reminded you how unfortunate you are.

October 10th, 2008 Most techies and developer prefer using the terminal on Linux. If you are like me a heavy command line interface (cli) user than you will find these simple tips useful.

September 18th, 2009 When working in Linux system you might need to look for the memory usage in the system. Linux comes with different command to check memory usage.

October 29th, 2008 All you have to do is run this simple one line command: rpm -ivh http://rpm.livna.org/livna-release-9.rpm && yum -y install vlc python-vlc mozilla-vlc Note: For earlier versions of Fedora just change the number to correspond to the appropriate version. For example for Fedora Core 6 the command will be: rpm -ivh http://rpm.livna.org/livna-release-6.rpm && yum -y install vlc python-vlc mozilla-vlc This sets up livna yum repository configuration on your machine and then download and installs vlc media player as well vlc extensions for python and mozilla group of browsers.

August 28th, 2009 We often come across a lot of inquires on Linux systems. One of the most commonly asked questions is how to find the hardware specs /details on Linux.

April 10th, 2006 Hardlinks and symbolic links are common to Unix / Linux / Solaris file systems. However they are not normally available under windows.

October 11th, 2007 Run the following from command line: cat /proc/cpuinfo

April 20th, 2008 AWK is an extremely versatile and powerful language for processing files and text data. Often you can use awk to perform complex tasks on Unix / Linux / Mac OS command line which would otherwise take a full-fledged programming effort.

April 20th, 2008 1. Login to the Admin account (not the normal account) 2. Open up a command shell in the Terminal application by selecting - Macintosh HD -> Applications -> Utilities -> Terminal At the command prompt type this command: sudo passwd root You will then get the following prompts.

March 26th, 2009 This is a very practical problem many web administrators face these days. Suppose you have an user who needs to have the FTP access only and not the SSH or any kind shell access per se.

August 26th, 2008 Every one in my company knows about pkill, an obscure Linux command because we use Firefox (we are 100% Linux based) as the default browser. What is the relation, you ask? The answer is simple.

January 2nd, 2009 Root login is perhaps one of the very few vulnerabilities that Linux operating system faces. A person can hack into your system as a root user easily and can play with security settings.

July 19th, 2007 Everything you ever wanted to know and should know about Java Runtime.exec(). This old but still golden article is an excellent guide to using Runtime.exec().

September 18th, 2009 Do you wanna know how long the server has been running? It requires just a simple command to monitor the time for which the Linux system has been running. With a single command you can not only know about the uptime, but also the number of users that have currently logged on and the system load averages for the past 1, 5 and 15 minutes.

September 11th, 2007 Most guide to adding multiple IP addresses on Linux starts with the Microsoft-like solution of using ifconfig. While the solution is correct it doesn't survive a reboot or even a network restart.