http://www.btrnaidu.com Technical Consultant Wed, 15 May 2013 13:05:46 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 http://www.btrnaidu.com/index.php/configuring-powerdns-n-rails/ http://www.btrnaidu.com/index.php/configuring-powerdns-n-rails/#comments Tue, 26 Mar 2013 19:30:04 +0000 BTR Naidu http://www.btrnaidu.com/?p=340 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } I was following the link powerdns-on-rails and had trouble configuring.  An improved steps to install on a clean ubuntu x64 server is documented here.  Might be of help for someone. Setps: == install required packages == apt-get install git make build-essential g++ ruby1.9.1-full mysql mysql-server libmysqlclient-dev libxslt-dev libxml2-dev libreadline-ruby1.9 libruby1.9 libopenssl-ruby libpq-dev sqlite-devel libsqlite3-dev == now … Continue reading →]]> http://www.btrnaidu.com/index.php/configuring-powerdns-n-rails/feed/ 0 http://www.btrnaidu.com/index.php/installing-vmware-tools-on-esxi-server-5-0-guest-os/ http://www.btrnaidu.com/index.php/installing-vmware-tools-on-esxi-server-5-0-guest-os/#comments Wed, 20 Feb 2013 10:27:06 +0000 BTR Naidu http://www.btrnaidu.com/?p=332 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } It took half a day to find and install VMware Tools on my guest os running Cent OS 6.3.  I though a summary of this would help someone in achieving this faster.  So here it goes. My Setup: Host: VMware ESXi Server 5.0 Guest: Cent OS 6.3 (64 bit) Arch: x86_64  Install VMware Tools: 1. … Continue reading →]]> http://www.btrnaidu.com/index.php/installing-vmware-tools-on-esxi-server-5-0-guest-os/feed/ 0 http://www.btrnaidu.com/index.php/email-address-tagging/ http://www.btrnaidu.com/index.php/email-address-tagging/#comments Tue, 23 Oct 2012 21:15:18 +0000 BTR Naidu http://www.btrnaidu.com/?p=318 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } Email address tagging or also known as sub-addressing could be quiet handy when you want to signup for newsletters. Lets say you want to signup for newsletters from different sites.  In this case you could simply enter an email address like below in the signup form. address+newsletter@domain.com Now all email received from signed up newsletter … Continue reading →]]> http://www.btrnaidu.com/index.php/email-address-tagging/feed/ 0 http://www.btrnaidu.com/index.php/multiline-pattern-match-with-fail2ban/ http://www.btrnaidu.com/index.php/multiline-pattern-match-with-fail2ban/#comments Tue, 18 Sep 2012 13:40:02 +0000 BTR Naidu http://www.btrnaidu.com/?p=312 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } I run my own asterisk server where it is well protected against external attacks using iptables + fail2ban.  I thought it was secure enough until I came across attacks which my current fail2ban configuration failed to detect.  In investigation tells me that fail2ban cannot do multi line pattern match and because the attacker’s IP was … Continue reading →]]> http://www.btrnaidu.com/index.php/multiline-pattern-match-with-fail2ban/feed/ 0 http://www.btrnaidu.com/index.php/scam-voor-uw-bescherming/ http://www.btrnaidu.com/index.php/scam-voor-uw-bescherming/#comments Thu, 24 May 2012 11:12:13 +0000 BTR Naidu http://www.btrnaidu.com/?p=300 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } Today I received a mail which looked like is from ABN Amero bank.  The message content is below: From: ABN AMRO Bank N.V.Nederland <info@abnamro.nl> Subject: Voor Uw Bescherming Geachte klant, Uw Online Bankieren wordt geblokkeerd: De ABN-AMRO spendeert veel aandacht en zorg aan de beveiliging en integriteit van al onze bankrekeningen. Graag vragen wij u dan ook aandacht … Continue reading →]]> http://www.btrnaidu.com/index.php/scam-voor-uw-bescherming/feed/ 0 http://www.btrnaidu.com/index.php/building-own-executable-in-android/ http://www.btrnaidu.com/index.php/building-own-executable-in-android/#comments Tue, 01 May 2012 12:57:05 +0000 BTR Naidu http://www.btrnaidu.com/?p=283 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; }   Required tools Download and install Sourcery G++ Lite Edition for ARM Pull the android libs for dynamic linking using the script [ PullAndroidSysLibs.bat ] Download the build script and copy in your working folder [build_nd_push.bat] Download the assembly [crt.S] file for startup code and copy in your working folder. Article from [ 1 ] … Continue reading →]]> http://www.btrnaidu.com/index.php/building-own-executable-in-android/feed/ 0 http://www.btrnaidu.com/index.php/secure-google-search/ http://www.btrnaidu.com/index.php/secure-google-search/#comments Tue, 13 Mar 2012 15:51:21 +0000 BTR Naidu http://www.btrnaidu.com/?p=276 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } If you do not have a google account and still want to do a secure google search, you can do so by clicking SecureGoogle link.  If you have a google account and you are already logged in then secure google search is enabled by default.  Enjoy Secure Googling. …  Share on Facebook Tweet This]]> http://www.btrnaidu.com/index.php/secure-google-search/feed/ 0 http://www.btrnaidu.com/index.php/my-first-google-site/ http://www.btrnaidu.com/index.php/my-first-google-site/#comments Thu, 17 Nov 2011 09:18:14 +0000 BTR Naidu http://www.btrnaidu.com/?p=244 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } My first google site is live.  Please visit www.flexlmonline.com The fully functional site will be live by 25th Dec.  Please check back again.     Share on Facebook Tweet This]]> http://www.btrnaidu.com/index.php/my-first-google-site/feed/ 0 http://www.btrnaidu.com/index.php/deploy-to-gae-not-working/ http://www.btrnaidu.com/index.php/deploy-to-gae-not-working/#comments Tue, 15 Nov 2011 09:30:34 +0000 BTR Naidu http://www.btrnaidu.com/?p=240 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } I was trying to deploy my new version of GAE to app engine.  It took some time before I figured out why my deployed site was not showing live.  What I did new while deploying the new version is that I changed the version from 1 to 2.  After changing the version, though it was … Continue reading →]]> http://www.btrnaidu.com/index.php/deploy-to-gae-not-working/feed/ 3 http://www.btrnaidu.com/index.php/nasas-near-earth-object-program/ http://www.btrnaidu.com/index.php/nasas-near-earth-object-program/#comments Mon, 12 Sep 2011 14:41:55 +0000 BTR Naidu http://www.btrnaidu.com/?p=199 #leftcontainerBox { float:left; position: absolute; top: 60%; left: 70px; } #leftcontainerBox .buttons { float:left; clear:both; margin:4px 4px 4px 4px; padding-bottom:2px; } #bottomcontainerBox { height: 30px; width:50%; padding-top:1px; } #bottomcontainerBox .buttons { float:left; height: 30px; margin:4px 4px 4px 4px; } Though who are fascinated about stars and asteroids, NASA publishes this list which tells you which asteroids will pass and when near by to Earth’s surface. 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