Author: admin

http://rtfm.powerdns.com/compiling-powerdns.html CXXFLAGS=-I/root/trungson/downloads/boost_1_33_1 ./configure –with-modules=”geo bind”

Just got another ad server, Dual Opteron 248, 2GB RAM, 36 G SCSI. Running the test suite. This seems like a powerful machine. AMD is winning the heart and mind of the web hosting world.

I was trying to use CRC32() to uniquely identify distinctive domain names because it’s probably the most economical in MySQL datatype (int only takes 4 bytes) comparing to MD5() as a 32-char string. However, it seems hash collisions with CRC32 occur too frequently. Just in a set of about 800k string, got a bunch of…

Robert Kiyosaki “Is there a real estate bubble?” That’s the question I’m asked repeatedly. When I reply honestly — “I hope so” — my questioners’ fear occasionally turns into anger. There are seven stages of a financial bubble. read more | digg story

TOR and Privoxy can be used through PHP to enhance the privacy of your connection. First you need to setup and run both TOR (check /etc/torrc) and Privoxy (/etc/privoxy/config, then start it as a service). If something does not work, use wget or see the error log. The PHP code below get a page through…

This class extracts the suggestion keywords from Overture (Yahoo! Search Marketing) together with their popularity counts. Sample Output: array ‘dalat’ => 1894 ‘dalat resort’ => 426 ‘dalat nam viet’ => 359 ‘dalat palace sofitel’ => 97 ‘dalat hotel’ => 91 ‘dalat school’ => 63 ‘dalat flower’ => 62 ‘bi dalat vo’ => 60 ‘city dalat’…

You get so excited because a potential buyer just contacted you for a domain with great interest, don’t go on a shopping spree or raise your expectation just yet, it might be a scam and you won’t receive any money or worse, lose your own money. There are con artists working hard days and night…

Symptoms: messages are not coming to your account regularly Problem: when tried manually to talk to the gmail mail server, we got this error “The Gmail user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. Please resend your message at a later time; if the…

If you use a GIF background and try to draw a text, even with GD2 and Freetype fonts, the text will has jigsaw and not antialiased. To correct, change the background image to a true color PNG.