How To Find All IP Addresses on Linux

July 12th, 2006 Take a look at your log file (/var/log/secure for Fedora Core 4) and you will discover numerous automated ssh hacking attempts using dictionary attack. So now you have identified the offending addresses.

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.

August 20th, 2007 My old IP addresses are presumably having some issues according to my dedicated web hosting provider LayeredTech. So on their suggestion we will change our IP addresses this weekend.

October 16th, 2007 Network masks is a notation to group IP addresses. Let's take a familiar analogy.

January 3rd, 2009 Amongst the very few irreplacable products that Microsoft Windows have come up with, Microsoft Office 2007 is one very close to it. It has so many features and standardized options that I can not think openoffice as an alternative to it.

May 29th, 2006 I briefly reviewed my corpus of 4569 comment spams in my Akismet queue. Of them over 53% of the spam has been contributed by Top 100 spamming IP addresses.

August 23rd, 2007 Round robin DNS is a simple way to load balance your servers. You can use it balance the load between multiple web / ftp or other servers.

June 23rd, 2008 While running some Java applications (like Thinreader) you may see this strange looking error - Couldn't find per display information. You may find this error when running such applications in JDK 6 or later.

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.

December 22nd, 2006 Linux colorization of terminal output is very straining to the eye even for normal people and absolutely meaningless for color-blinds. I find it irritating as it makes it really hard to see, especially with the bad choice of colors like deep-blue on black.

July 7th, 2006 Finally my (unmanaged dedicated) server has been deployed (under 48 hours). Now my actual work begins.

May 12th, 2007 Mantis is popular php based defect tracking application which works on top of RDBMS like MySQL and PostgreSQL. Recently I ported our Windows based Mantis installation to Linux.

November 15th, 2006 I am going on a business trip to USA, tentatively on 24th of November. I will be around Carlsbad, California.

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

February 24th, 2008 A simple tip for newbies - how to get Java stack trace, the invaluable tool to debug java programs, in Linux: - Type the Ctrl key followed by \, in short Ctrl \. I just used it to debug a persistent problem where a server process which automatically fetches data from a third-party site was inexplicably hanging.