On Default Linux IO Priority
If there is any thing I think Linux distributions can definitely improve upon is to reduce the default IO task priorities while running a Windows manager (e.g. GNOME or KDE).
Category: Linux/BSD
An Image Class Based On IPP
A couple of weeks ago, I wrote about how to interface Integrated Performance Primitives (IPP) with Magick++. While IPP offers excellent performance advantages, it does not come with the easiest programming model. Fortunately, it is easy enough to create a…
The Obstacles to Linux Going Mainstream
It was almost one year ago when I switched my main home computer to Linux. Since then, I have been using my Ubuntu 8.04 installation daily and have not found the need to boot up Windows at all.
Matrix Multiplication Performance in C++
A few days ago, I ran across this article by Dmitri Nesteruk. In his article, he compared the performance between C# and C++ in matrix multiplication. From the data he provided, matrix multiplication using C# is two to three times…
Setting up WordPress on Ubuntu Server — Step by Step
I wrote a tutorial on how to setup WordPress on Ubuntu Server back in 2007. While the setup steps have largely remained the same from version 6.10 to 8.04 (both are long term support LTS versions), I decided to create…
Simple WordPress Standby Server
I mentioned in one previous post on how to do a physical to VM backup using simple Linux command. The method works pretty well as long as the kernel versions are kept in sync.
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.
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.
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.
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.
Flash Site Compatibility Issue
It seems that the Toyota site does not render correctly with Firefox under Linux (with Flash plugin enabled). It definitely has something to do with the Linux version of Flash and how the site was constructed.
Flash 10 on Ubuntu 64 bit — Significant Performance Improvement
Flash 10 just came out a few days ago, and I just installed it using the information provided on Ubuntu Forum (I used the script from here to install on my 64bit Ubuntu).
PD1001 Webcam on Hardy Heron
I have an old webcam (Creative PD1001) which is not officially supported on Linux. Fortunately, Endpoints EPCAM USB Camera Driver is known to work with PD1001 on many Linux distros.
Code::Blocks Settings for Qt Development
Qt is a cross-platform object oriented C++ framework for application development.