Install Image-magick and rmagick for rails

Start by removing any old versions previously installed via apt-get:

sudo apt-get remove imagemagick

Then update apt-get and install some supporting packages:

Sudo apt-get update

 

*(sudo apt-get install libperl-dev gcc libjpeg62-dev libbz2-dev libtiff4-dev libwmf-dev libz-dev libpng12-dev libx11-dev libxt-dev libxext-dev libxml2-dev libfreetype6-dev liblcms1-dev libexif-dev perl libjasper-dev libltdl3-dev graphviz gs-gpl pkg-config)*

 

*its a single line command. get the Imagemagick package from this link:

http://www.imagemagick.org/script/install-source.php#unix

Once the source is downloaded, uncompress it:

tar -xzf ImageMagick.tar.gz

 

Now configure and make:

cd ImageMagick-6.5.0-0 ./configure sudo make sudo make install

 

Add the following line to ~/.bashrc:

export LD_LIBRARY_PATH=/usr/local/lib

Update: If you still get an error like the one above, try running ldconfig:

sudo ldconfig

You can confirm the install and available formats with:

identify -list format

Once Image magick is installed install rmagick gem by typing the command:

$sudo gem install rmagick

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