Tag Archives: LinkedIn

Ooma slows down data traffic

It’s been a month since I bought the Ooma VOIP system. It’s been working fine, except with some issues, like the scout hang (need reset it). My configuration is to put Ooma hub right after DSL modem, so my wireless … Continue reading

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Linux Visual Improvements

XFree86 Font Deuglification:http://www.tutorialized.com/view/tutorial/XFree86-Font-Deuglification-Mini-HOWTO/4558 X Window System Application Performance Tuning: http://www.rahul.net/kenton/perf.html

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It is time for Playstation 3 to prevail

Sony PS3 has been around for almost 3 years now. Recently Sony has lowered the list price by $100 and also discontinue the middle level version. With all capabilities it has, I suggest people who wants to buy either game … Continue reading

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To make USB devices work on VirtualBox on UBuntu

-Create a group called “usbfs” and add yourself to it. -In terminal issue the following command: sudo gedit /etc/fstab -In this file paste the following lines, and change the group ID according to the group ID that is shown for … Continue reading

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TrendNet Wifi on Beagleboard running Angstrom Linux

By default after every boot-up, Angstrom runs wpa_supplicant daemon which tries to use WPA instead of WEP regardless of configuration in /etc/network/interfaces, hence prevent us to use WEP as wifi encryption. We need to kill this daemon by executing: root@beagleboard:~# … Continue reading

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What is the best mobile Operating system?

Duh….smartphone environment is getting more crowded with more and more new operating systems. From Microsoft Windows Mobile, Blackberry O/S, Symbian, iPhone’s OS, Google’s Android and now Palm’s WebOS. Which one is the best from the following criterias? UI experiences (reponsiveness, … Continue reading

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Branch Prediction Algorithm

#include <stdio.h>#include <stdlib.h>#include <math.h>/******************************************************************************Branch Prediction Simulator(c) M. Lutfi, 2009 ******************************************************************************/#define ROW_MAJOR_ADDR(A, r, c, n) ((A) + (r)*(n) + (c))typedef enum { not_taken = 0, taken} branch_t;typedef enum { strongly_not_taken = 0, weakly_not_taken, weakly_taken, strongly_taken} branch_state_t;typedef struct { unsigned int correctPredictionCount; … Continue reading

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ARM EABI Environment

To develop Linux system with TI 35xx as a target, we need to have the toolchains, build-essential root filesystem and Linux kernel. Here are the links for some useful packages: http://armel.applieddata.net/developers/linux/eabi/armel-root-fs.tar.bz2http://armel.applieddata.net/developers/linux/eabi/armel-root-fs.tar.bz2.md5http://wiki.debian.org/ArmEabiPortCodeSourcery GNU: http://www.codesourcery.com/sgpp/lite/arm/portal/release642

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