[导入]install rmagick ubuntu

let's undo some of the damage (just in case):

sudo apt-get remove --purge librmagick-ruby-doc librmagick-ruby1.8


Next let's get the version we need:

sudo apt-get install libmagick9-dev ruby1.8-dev


Lastly, go grab rmagick, the gem

sudo gem install rmagick

文章来源: http://snippets.dzone.com/posts/show/4140