Few week back, I need to fetch mum and dad back to mum’s home town, sungai petani, kedah. I have nothing much to do there, so I decide to pay a visit to Gunung Jerai with few of my friend.

After putting my mum and dad at sungai petani, 5 of us, NC, David, Chan, Hooi Hooi and me heading to Gunung with my darling. (more…)

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After get some understanding on encrypting and authentication on xml on XML web services. Now we getting to know more about the XML signature and also some summarize of XML encrypting and authenticating.

XML Signature Standard
The W3C XML Signature standard provides a specification for creating and using digital signatures in XML. You use XML Signature to provide authentication when transmitting documents. You can use XML Signature with any content, including XML data. You can sign just a portion of a document, in the same way that you can encrypt just part of it. (more…)

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After knowing how the HTML Standard and compliance on HT (Hyper Text) and Markup, let us get more understand on tag wars, xhtml and etc.

Tag wars
In the early days of the Web, HTML proved to be an extremely popular authoring language. With HTML, publishing content to the Web was easy – you inserted some tags into a document using a text editor and uploaded the document to a web site, where it could be read by anybody with a browser. (more…)

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I believe most of us are familiar with this technology, but a lot of us don’t really know what is the actual term. Some said “Internet phone“, some said “free call from Internet“… But the actual term is call VOIP (Voice over Internet Protocol)

There are a lot of different setup or connection method for VOIP. The most normal VOIP that we usually use will be SKYPE, which is a communication software that able to perform voice call from computer to computer. I use to use this software to contact my friend who stay far a ways from me, different state and oversea, we chating with VOIP few hour without need to paid any extra changes. (more…)

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Last month was mention about the Linux Processes on PIDs , parent and child processes and using the ps command. In this part 2, let see how the background and foreground background process work.

Background and foreground processes
An interactive process can run in the foreground or background. To place a process in the background, you use the command bg or the ampersand symbol (&). This lets you do other jobs while waiting for the command to finish. Let’s say you use the syntax

$ find / filename 2 > /dev/null | grep filename | tee result

A command using this syntax could take a long time to execute, especially if you have a lot of files and are listing several network drives. Only one job at a time can run in the foreground, so no further commands can be issued until the prompt returns. To continue working on the command line while it processes, you can execute the same command in the background, using the ampersand. For example, you could enter the command using the following syntax:

$ find / filename 2 > /dev/null | grep filename | >result &

After the command has been issued, the shell displays a message, which looks similar to the following: (more…)

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