Parsing Apache Server Log for Unique IPs
I created this short Perl script to tally the number of unique IPs from the Apache server log.
Author: kwong
Windows 7 Unresponsive Under VMWare After Idle
I installed Windows 7 Beta (64 bit) under VMWare 6.5.1 (Linux version) a couple of weeks ago, and my main objective was to compare its user interface and functionality with that of Windows Vista.
The Perfect UI
When talking about designing the perfect user interface, different people sometimes have very different ideas. It is more of a religious thing then being simply right or wrong.
Windows 7, An Updated Vista?
I just downloaded Microsoft’s latest OS beta — Windows 7 64bit, which was released to the general public two days ago.
Power Factor of a Compact Fluorescent Lamp
I got a P3 Kill A Watt as Christmas present. Besides being able to measure voltage, current and kilo-watt-hours, it can measure power factor as well.
What Happened to the Testing?
You have probably heard the Zune fiasco at the turn of the new year. Or if you have one with 30GB hard drive, you probably have experienced it yourself.
Site Up Again
This afternoon I began to receive "Error establishing a database connection" error from my site. And when trying to login via ssh, the server hangs after the password is entered.
Two Level Tree and Its Applications — II
In my previous post, I discussed how to merge and split a two level tree. Before moving on to discuss its applications, let us take a look at the output of the sample program I gave before.
Two Level Tree and Its Applications — I
A two level tree is a simple tree data structure. Unlike in a typical tree where the tree depths could be arbitrary, a two level tree has only two levels as its name suggests. Two level tree is also equivalent…
MIDI Setup with OSS and ALSA
Setting up the hardware environment to support MIDI devices is relatively easy. in fact, most newer MIDI devices do not rely on the old sound card game port and adding a MIDI device is just like adding an external hard…
A Dual Sound Card Setup
Newer sound card usually does not come with a game port since most of the peripherals nowadays come almost exclusively with USB connections.
Site Upgraded to WordPress 2.6.5
Upgrading WordPress to the latest version is surprisingly easy following these instructions.
The Annoyance of In-Text Ads
Thanks to the inclusion of pop-up blockers in all major browsers, pop-up advertising no longer poses as an annoyance to web surfers. In fact I not only block pop-ups, but block Flash by default as well.
Unity is the Future for VMs
I recently downloaded VMWare’s latest workstation product (VMWare Workstation 6.5) and set it up to run on my 64 bit Ubuntu 8.04 desktop.
ASUS P5QL Pro Audio Configuration in Ubuntu 8.10 (64 Bit)
After building the new quad core PC, I realized that the sound was not working (at first, I did not pay much attention to sound since this new build is used mainly as a headless node).