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I was installing opencv on my ubuntu system. I got some problems while installation. Finally i installed openCV on my system. Steps i followed are as below. To install opencv i installed dependencies that must exist in system. To install dependencies execute below commands. sudo apt-get install -y build-essential sudo apt-get install -y cmake sudo apt-get install -y pkg-config sudo apt-get install -y libpng12-0 libpng12-dev libpng++-dev libpng3 sudo apt-get install -y libpnglite-dev sudo apt-get install -y zlib1g-dbg zlib1g zlib1g-dev sudo apt-get install -y pngtools libtiff4-dev libtiff4 libtiffxx0c2 libtiff-tools sudo apt-get install -y libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs sudo apt-get install -y ffmpeg libavcodec-dev libavcodec53 libavformat53 libavformat-dev sudo apt-get install -y libgstreamer0.10-0-dbg libgstreamer0.10-0  libgstreamer0.10-dev sudo apt-get install -y libxine1-ffmpeg  libxine-dev libxine1-bin sudo apt-get install -y l...

I just bought new laptop HP Pavilion g6-2303Tx . It have good configuration Intel I5, 4GB Ram, 1GB ATI graphics with OpenDOS. I preferred DOS because mostly i am use to with Linux based systems so that i can install Linux. Now when i tried to install ubuntu 12.04 on this machine, my wi-fi, Ethernet drivers not worked. I tried many things but not worked well. I downloaded Ubuntu 13.04 and installed. My wi-fi and Ethernet drivers worked fine on ubuntu 13.04. Used my system for 1-2 days and then noticed that my laptop is getting overheated. Overheating is not good for system health so i tried many solutions but not worked well. Then i found that in HP system graphics are automatically switchable so that when system need they automatically switch to external graphics. I noticed that in Ubuntu my both internal and external both graphics are default turned on. So that i finally found solution for this. I developed shell script for this issue. Shell Script for overheating issue. sudo ...