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Articles from Eko Wahyudiharto Blog

Go Open Source (Part II): Back to Fedora Core (5) 2007-04-16 20:31:00 The team & me had already migrate the core server for about a week ago into a Linux server. The core server which serve the corporate computer operational (such as: Email Server, DHCP Server & Proxy Server) are being running as well as before.Next schedule to be done is migrating the clients. There are more than 300 computers in the building with various hardware specification & have to be finished before the end of next month. Well, this is our great jobs even with small amount of staffs (9-10 peoples).The migrating jobs are not easiest as say. There are lot of things we should beware off before getting started the jobs. However, the importance things includes:1. What kind of Linux will be choosesThis is a real beauty contest of Linux benchmarking scheme to find out what is the best, link & match to the computer hardware. The driver support for the un-plug & play also become your care. Next to the pre-installation of Linux is knowing the CPU & memory load regarding to the othe ...

Next Award: Winner in Bubu Award v5.0 2007-04-08 20:58:00 After being as one of the finalist listed on corporate category banking and finance in Bubu Awards v5.0, finally the corporate website project I’ve developed from scratch (http://www.pegadaian.co.id) had been announced as the winner. This event was hold on April 4th 2007 at city museum near national monument (Monas) precisely in Medan Merdeka Barat street, Jakarta. Other finalists in the same category which had been defeated was Danamon (http://www.danamon.co.id) and e-Bursa (http://www.e-bursa.com).PT. Bubu Kreasi Perdana as the event arranger with a group of IT expertise international judges also nominated my creation with The Best Technology Website and The Best Utilization Website category. Well, even it doesn't chooses as the winner, but it was just fine for me considering the appraisal was done - I guess - before I made some improvements on the web pages including the auto email responder, ticker flash news modules, SSL modules to support online transaction and lots of small ...

Working with Barcode (Part I) 2007-04-03 20:18:00 For couple days, I’ve been playing around with barcode tool to support my existing project software development. This become my new experience about how to create the schematic image from several type of barcode and finally pick one to implementing on my Delphi form projects.Let me introduce to the barcode reader hardware first. The reader comes with a straight PS/2 port compatible to USB cables extension. It has made from Taiwan with serial code 1000 CCD mode from CipherLab 1300. The sensor are quite accurate and support the most known barcode types such as Code39, Italian Pharmacode, French Pharmacode, Industrial 25, Interleave 25, Matrix 25, Codabar, Code93, Code128, UPCE, EAN8, EAN13, MSI, Plessey and PDF417.Before getting it done, I had to create a small card-name size which typed a tiny barcode image consists 9 digits of number somewhere on it in one of my modules. So, smallest possible barcode image would be nice to paint on the front side of the card. The next question is, w ...

ethtool : How to Know your LAN Card Status from LINUX 2007-03-25 21:54:00 Couple weeks ago, there were problems reported came in my desk related to weird things about LAN connection happened in some place on branch office computers. The fact that one of the LINUX server unable to ping to others LINUX client connected in a LAN and so did from the clients. But the odd things was, the ping connection is successfully from the Windows. Windows displayed normally LAN connection status with default speed of 100Mbps.So what is the problem with LINUX? First thing, I got checked out the interface with ethtool software from LINUX (standard package found on Redhat setup CDs). This tiny tool displayed the LAN interface more and more details. From the server terminal, I wrote the default command “ethtool eth0” (with assumption that the LAN card is linked to eth0 device file).[root@server ~]# ethtool eth0Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Su ...

Meebo: The Finest Chat Gateway 2007-03-08 23:04:00 For few days, I’ve been playing around with Meebo – a HTTP based chat application – with it ability to passing blocked protocol for some restricted network environment. It working great with major IM (Instant Messaging) services such as Yahoo Messenger (YM), AIM, Google Chat, MSN & other services which using jabber protocol. No doubt, this is the finest chat gateway ever since Meebo using HTTP port. Nothing can stop the link between connection to your IM friends.It’s first interface on it site shows 4 major IM services login and also a global Meebo account validation. The login process are quite fast when I tried my YM account. For more, the main panel are similar to YM. My friend IDs and their online status also retrieved completely on it.The chat transaction are so fun and easy. No wonder, I guess the developer are already using AJAX concept for its interactivity. Behind the advantages, there is a small number of lack when you use Meebo. You have to always focused on the Meeb ...

PHPMailer: Other Way to Send Email from PHP 2007-03-05 20:08:00 What will you do if you have to create an auto email responder in a web application but it hosted on a web server with no local SMTP port opened? Try this tiny module called PHPMailer. With PHPMailer, there are no problem to make any interactive email responder over your web application but – in a condition - you need to provide access to any available SMTP server. Guess what? No big deal about the un-existing SMTP server since there are tons free of it spread over the internet. Just let the uncle Google searched it for you. This article are based on my very own experiences to build yet another Customer Relationship Management (CRM) module upon my web corporate.First, download the packages from http://phpmailer.sourceforge.net/ and put 3 main files (class.phpmailer.php, phpmailer.lang-en.php & class.smtp.php) into a directory you have specified before (for example: /phpmailer). Next, create a single initialization email function just right below likes all the way you do in a buil ...