Posts Tagged ‘Ubuntu’

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Howto: Reinstall Grub using Ubuntu Live CD

In: Fedora| Linux| Ubuntu

11 Mar 2010

I recently installed Fedora 12 on my desktop alongside Ubuntu Karmic and Windows 7, however doing so I overwrite my grub which meant my Ubuntu system was hidden. To fix this is pretty simple..
Insert your Ubuntu 9.10 Live CD
Click “Try Ubuntu without any changes to your computer”
Once loaded click Applications > Accessories > Terminal
sudo fdisk [...]

Yet Another OpenCV/Karmic error – symbol lookup error: /usr/local/lib/libhighgui.so.4

In: Ubuntu

4 Feb 2010

symbol lookup error: /usr/local/lib/libhighgui.so.4: undefined symbol: av_free_packet
To fix it simply make sure /usr/local/lib is in your library path by using the following command:
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

February – Spaced

In: Software

4 Feb 2010

Howto fix: “error while loading shared libraries”

In: Linux

2 Feb 2010

While installing opencv on an older version of debian for work I kept getting an error while loading shared libraries which turned out to be a pretty easy fix, just finding the libraries and adding them to the dynamic linker.
The libraries I was having trouble with below:
./blobtrack: error while loading shared libraries: libcxcore.so.1: cannot open [...]

Error: Dependency is not satisfiable: libstdc++5 (Ubuntu Karmic)

In: Ubuntu

14 Dec 2009

Error: Dependency is not satisfiable: libstdc++5
This is a simple fix, just grab the libstdc++5 package for your architecture from here:
http://packages.debian.org/stable/base/libstdc++5

HowTo: Install Player/Stage in Ubuntu Karmic (9.10)

In: Software| Ubuntu

12 Dec 2009

You will need to have cmake and build-essentials installed:
sudo apt-get install cmake build-essential
How To Install Player:
Player provides a network interface to a variety of robot and sensor hardware. Player’s client/server model allows robot control programs to be written in any programming language and to run on any computer with a network connection to the robot. [...]

Start Up Times – Windows 7 vs Ubuntu Karmic

In: 7| Ubuntu

8 Dec 2009

Windows 7 vs. Ubuntu Karmic
57.7s – 30.4s

I Just saw the Windows 7 advert for how quick they have made Windows 7 boot so I did a simple test on my laptop by comparing the times taken to load up Windows 7 and Ubuntu Karmic, I loaded grub and stopped it loading either OS by pressing [...]

HowTo: Install OpenCV in Ubuntu Karmic (9.10)

In: Linux| Software| Ubuntu

2 Dec 2009

Yesterday I was having trouble installing OpenCV on Ubuntu Karmic, but now it’s compiled and loading programs with GUI’s .
Heres how I got it installed:
First install some needed packages
sudo apt-get install build-essential libgtk2.0-dev
Now you need to grab FFmpeg for the install to work
svn checkout svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg
The svn didn’t work for [...]

Problems Installing OpenCV in Ubuntu Karmic (9.10)

In: Linux| Software| Ubuntu

1 Dec 2009

UPDATE
I now have it working and wrote a guide of how I got it to work -
http://alexsleat.com/2009/12/02/howto-install-opencv-in-ubuntu-karmic-9-10/
END UPDATE
I found a great guide on getting OpenCV to install on Ubuntu Karmic (9.10) – http://ivkin.net/2009/11/installing-opencv-2-0-on-ubuntu-9-10-karmic-koala/
Most the comments show the guide works however I have a couple of problems:
Firstly when reloading the libraries to make opencv show up
ldconfig [...]

November – Docky

In: Linux| Screenshots| Ubuntu

25 Nov 2009

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Hi, my name is Alex Sleat. On this site I will share my thoughts, ideas, things I find online and projects I'm doing at university or at home. I am currently studying Robotics BSc at the University of the West of England (UWE). I'm intrested in all things tech, web, gadgets, gaming, films and baseball.

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