有安装RMagick的简便方法吗?

问题描述

我正在尝试在我的slicehost上安装RMagick(Linux Hardy)而不是从源代码编译，这是我所做的:

I am trying to install RMagick on my slicehost(Linux Hardy)instead of compile from source, here is what I did:

$ sudo aptitude install -y imagemagick
$ sudo aptitude install -y libmagick9-dev
$ sudo gem install rmagick

安装后，它毫无问题地读取GIF，但是对于JPEG和PNG，我一直收到此错误:

After installed, it reads GIF with no problem, however for JPEG and PNG, I keep getting this error:

Magick::ImageMagickError: no decode delegate for this image format 

我知道这可能是因为我没有libpng和libjpg库，但是我没有找到有关如何安装这些库的指南.我从源代码编译了libpng和libjpg，没有运气，这些文件位于/usr/lib中，但是仍然出现错误.

I know it is probably because I don't have libpng and libjpg libraries, but i didn't find guide on how to install these. I compiled libpng and libjpg from source, with no luck, the files are in the /usr/lib, but i still getting the error.

推荐答案

我发现这非常有帮助:如何在Linux上安装rmagick

I found this to be very help: how to install rmagick on linux

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