About Gishore J Kallarackal

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Gishore J Kallarackal is the founder of techgurulive. The purpose of this site is to share information about free resources that techies can use for reference. You can follow me on the social web, subscribe to the RSS Feed or sign up for the email newsletter for your daily dose of tech tips & tutorials. You can content me via @twitter or e-mail.

Posts by Gishore J Kallarackal:

How to Ignore Replication errors in MySQL

Some times you will be getting replication errors on the slaves , this might be coming because of the following any one of the reason Might have killed a query in between in the master server Duplicate entry Version difference , due to this some of the queries may not work in slaves Any other reasons You can put(…)

How to get Google Indexed Status form Webmaster

Google has introduced a new feature where you will get all the data regarding the Indexed and Unindexed URLs of your site in detail. As per google blog   It shows how many pages are currently indexed. The legend shows the latest count and the graph shows up to one year of data. Advanced Tab The follwoing options :(…)

How to send Bulk Email Marketing

Think about sending Millions of mails per day to your user base.. How you can handle such big volume of mails on a daily basis . Here i am going to explain about the infrastructure we have done to send Bulk mailing. Requirement from our Management: The requirement was to send around 5 Million mails per day . We(…)

Is there any way to block Bots (Spam Bots ) from accessing the website ?

If you access and study your web server logs, you will find that more than 50% of the traffic is taken by Bots , Both search engine and Spam Bots.  Recently we have tried to build a system where we can analyze the data of the website, its seems there is big difference between Google Analytic and(…)

Is Dkim is Beneficial

We have recently found that our many ip address were listed in spam, we were having SPF records and Reverse dns entry for all the ips which we used to send out going mails. Now we have installed and configured DKIM Milter for multiple send mail servers. Now all our mails are coming in inbox and dkim(…)

How to PHP MongoDB extenstion

Installation of PHP MongoDB extenstion: wget “http://pecl.php.net/get/mongo-1.2.10.tgz” tar xzf mongo-1.2.10.tgz cd mongo-1.2.10/ /usr/local/php/bin/phpize ./configure –with-php-config=/usr/local/php/bin/php-config make sudo make install Add extension=mongo.so in php.ini vim /usr/local/php/lib/php.ini

First Recovery From Google Penguin Update

Good news for all the site owners who is affected with Google Penguin Update, Here come first recovery from Penguin Update. The Following Report Shows that on April 24th the traffic went down  and May it bounced back to normal. Google rolled out an update named Penguin on 24th April 2012, with the intended function(…)

Are you looking for a Free Call center dialer – Goautodial

Are you Looking for a open source Integrated solution for your call center, Then yu should try GoAutoDial , The solution comes with a web based dialer  on centos, also its Integrated with VTiger CRM  . GoAutoDial is an open source web based predictive dialer system based on CentOS. Focused to be a full call center suite system(…)

Understanding eCPM and RPM in Adsense

The difference between eCPM (effective cost per thousand impressions) and RPM (revenue per thousand impressions), as the older AdSense interface references eCPM and the newer version shows RPM. We’d like to clarify and let you know that the terms are referring to the same thing: both eCPM and RPM represent your estimated earnings for every 1000 impressions. To calculate(…)

Solr Replication – High CPU Load – Frequent Commits

we are running a classified site and the latest ads which are coming to the system is indexed in solr write server in every three minutes. Then this index is replicated to solr salve servers, Over a period of time the solr index file size increased to 40 GB .   Now we have noticed that when(…)