For full recipes, please visit our recently launched Egyptian Cuisine Recipes web site.

Four hours of battery time on a Linux laptop

Submitted by Khalid on

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I previously wrote about reducing CPU usage for Firefox by disabling Firebug. Later, I wrote on disabling the YSlow extension also reducing CPU usage.

Now, the laptop is able to exceed 4 hours of battery time under Kubuntu Linux 12.04:

Four hours, seven minutes:

09:37:27 localhost pm-utils: Power source switched to battery, Battery: discharging, A/C adapter: off-line

Quick How To: Installing OpenWRT on the D-Link DIR-835 wireless router

Submitted by Khalid on

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This is a quick how to for installing OpenWRT custom firmware on a D-Link DIR-835 router.

Though these instructions were tested on the DIR-835, they apply to many other router models from Linksys, Netgear, ASUS, and many other brands.

Check if your hardware is supported

مهند الحطاب

Submitted by Khalid on

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مهند الحطاب، شاب سوري بيقلد العرب و المصريين في فيديوهات قصيرة جدا مضحكة

هنا مجموعة من فيديوهاته

مذيعة بتقول للكوافيرة تعمل شعرها ازاي

بنت صاحبها سابها

بنت صاحبها سابها الجزء الثاني

جاك و روزا بعد التيتانيك ما غرقت

How to install Firefox ESR on Ubuntu 64 bit LTS

Submitted by Khalid on

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Update: 2017-Nov-19: See the last section for automated installation and upgrading, which is now possible.

To read my RSS feeds, I use Tiny Tiny RSS, which worked fine until 21 Feb 2014.

On 22 Feb 2014, Ubuntu pushed Firefox 27, Tiny Tiny RSS stopped working, with a Javascript error. After logging in, there would be a pop up error referring to getCookie and tracing to prototype.js.

To solve this, I went back to the ESR (Extended Support Release). This was quite a few steps, so I am documenting them here.

How to get better fonts in Firefox on Linux

Submitted by Khalid on

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To have better fonts in Firefox, you need to disable anti-aliasing, and clear all font caches.

Do achieve this, run the following commands from a terminal:

Clear the cached fonts in your home directory

cd ~
rm -f .fonts.conf .fonts.cache-1 .fontconfig/*

Disable antialiasing

cd /etc/fonts/
sudo mv 10-antialias.conf disabled-10-antialias.conf

Reconfigure the fonts

sudo dpkg-reconfigure fontconfig

Now, restart FIrefox and check if the fonts look better ...

How often do you reboot your laptop?

Submitted by Khalid on

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How often do you reboot your laptop?

Well, for me, I run Linux (Kubuntu 12.04), and I usually do it when a new kernel security update is released. And put it on sleep otherwise.

This means I can go for a month and a half without rebooting.

Here is a recent example, output from the "uptime" command:

14:31:46 up 45 days, 2:10, 7 users, load average: 1.45, 1.29, 1.28

Hindi words of Arabic origin

Submitted by Khalid on

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Having worked with many people from India and Pakistan in the 1990s, I was often fascinated by words that sounded Arabic in origin. When asking about the meaning, they were indeed Arabic. And I could detect more words in the few Hindi Bollywood movies that I have seen as well.

Arabic influence on Hindi may have been via several avenues. One was via Farsi (Persian) as an intermediate, having been the language of the court for the Mughal emperors. Another was through Muslim scholars using these words from Arabic texts and they made their way into the vernacular.

Using an Android tablet with PDF and Aldiko for presentations to VGA or HDMI projectors

Submitted by Khalid on

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I use a 15.6" laptop for daily work, but it is kind of heavy lugging it to conferences and talks. This is aggravated by the roller case for it which has some weight in it. Add a power supply, and other sundry items, and it becomes inconvenient when I am not traveling.

So, when I saw someone givining a presentation off of an Apple iPad, I was jealous and thought: why can't I do the same from my Android tablet? Turns out that the iPad has a display port, and Apple sells a display port to VGA adapter.

Solution to Magic Jack Plus Error 23

Submitted by Khalid on

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Do you have a Magic Jack Plus?

Do you get a message "Error 23" when you lift the phone hand set, instead of a dial tone?

Read on for a solution ...

This tutorial assumes that you can find your way around your router's configuration menus from a browser. Refer to your router's documentation to find out the specific IP address for your router and where the relevant options are.

Step 1: Find the MAC Address for the Magic Jack Plus

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