我得到这个"运行转换时出错:sh:convert:command not found"

HUS*_*TEN 2 captcha ruby-on-rails imagemagick ruby-on-rails-3

我正在尝试使用名为的宝石 Simple Captcha

这需要在机器上安装ImageMagick.我安装了它并convert --version显示了这一点

Version: ImageMagick 6.8.2-10 2013-02-12 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2013 ImageMagick Studio LLC
Features: DPC OpenMP
Delegates: bzlib freetype jng jpeg lcms png ps tiff x xml zlib
Run Code Online (Sandbox Code Playgroud)

但是,当SimpleCaptcha工作时,它不会显示生成的图像.
所以我看了一下日志.它说这个

  StandardError (Error while running convert: sh: convert: command not found):
  galetahub-simple_captcha (0.1.3) lib/simple_captcha/utils.rb:17:in `run'
  galetahub-simple_captcha (0.1.3) lib/simple_captcha/image.rb:76:in `generate_simple_captcha_image'
  galetahub-simple_captcha (0.1.3) lib/simple_captcha/middleware.rb:36:in `make_image'
  galetahub-simple_captcha (0.1.3) lib/simple_captcha/middleware.rb:18:in `call'
  ...
Run Code Online (Sandbox Code Playgroud)

我怎么解决这个问题?

小智 5

似乎imagemagick错过了.尝试安装它:

sudo apt-get update
Run Code Online (Sandbox Code Playgroud)

然后输入您的密码

sudo apt-get install imagemagick php5-imagick
Run Code Online (Sandbox Code Playgroud)

然后按Return键确认安装.