Saturday, August 10, 2013

A Traveling Wave by Making an Animation in MATLAB

clc %clears the command window<br /> clear %clears variables<br /> %Variables:<br /> %Eo wave amplitude (V/m)<br /> %f frequency (Hz)<br /> %omega angular frequency (rad/s)<br /> %t time snapshot<br /> %c speed of light<br /> %z position<br /> %E Electric...
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How to add Categories to Blogger

Guys, today I will tell about categories in blogger. Unfortunately there is no any category widget in blogger. So we have to create it by ourselves. To do this We have two solutions. First Solution: We can use labels with Links widget. Let me Explain with an example let’s say We want Matlab,Linux,Apple as our site’s categories. Then we need to add these names as labels to our posts. Then by clicking the labels in Labels widget...
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Wednesday, August 7, 2013

CPU Temperature Alarm System

Hi,  I want to write about Cpu Temperature Alarm System I have done by using advantages of linux kernel and linux shell. (I used bash shell in my script by the way.) One of the biggest advantages of linux is to reach hardware components easily through kernel. The communication with hardware comes true as given in the following steps: 1....
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Monday, August 5, 2013

Tuning Processes

Introduction In real-time systems some processes can cause huge problems, or slowing down the system performance. In such situations we need to tune the running processes. With tuning I mean stopping or killing the process. To be able to do this and to know when we need to know what processes currently runnig and when process start up? Especially, administrators need this. Because unexpected processes needs to be down or...
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Sunday, August 4, 2013

Format USB(flash drive) From Terminal

It's easy to format usb drives from terminal. But, you need to first find what's your usf file system. To find this we can use df command. df: report file system disk space usage  Also, to be able to format the usb, usb shouldn't be mount, if it is we are going to unmount it. Now, just to be clear I am going to format my own usb step by step, at required steps I will give the terminal screenshots. Steps...
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Saturday, August 3, 2013

System Logs in Linux

Introduction to syslogd syslog daemon responsible from syslog. This structure collects all messages from running programs to the logs. It categorizes all of messages according to its types and priority, and presents to us. This is very useful for error debugging. We can use this messages to find the actual problem if we have any one at any time. Actually I used that in my previous post. You may wanna see it. Reading Logs Now,...
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Friday, August 2, 2013

Gimp The GNU Image Manipulation Program

Gimp is an alternative software to Photoshop. Most users of linux use Gimp instead of Photoshop. Last version of Gimp is 2.8. I use it myself in my ubuntu 11.10 Oneiric Ocelot and Linux Mint 1.14 Nadia. I recommend it to you if you are using a distiribution of linux. If you are using Windows or other platforms, I think Photoshop is...
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