https://ruby-china.org/Lhuo en-us <p>我的项目是 sinatra 写的，现在在给网站加验证码，利用 ImageMagick 生成图片</p> <pre class="highlight shell"><code>convert <span class="nt">-size</span> 100x28 <span class="nt">-fill</span> black <span class="nt">-background</span> white <span class="nt">-draw</span> <span class="s1">'stroke black line 5,26 62,3'</span> <span class="nt">-draw</span> <span class="s1">'stroke black line 5,0 67,21'</span> <span class="nt">-wave</span> 3x52 <span class="nt">-font</span> <span class="s1">'/usr/lib/sinatra/public/fonts/SegoePro-Regular.ttf'</span> <span class="nt">-gravity</span> Center <span class="nt">-sketch</span> 3x1+134 <span class="nt">-pointsize</span> 22 <span class="nt">-implode</span> 0.2 label:dsaf png:123.png </code></pre> <p>结果报错 </p> <pre class="highlight shell"><code>convert: not authorized <span class="sb">`</span>dsaf<span class="s1">' @ error/constitute.c/ReadImage/453. convert: missing an image filename `png:123.png'</span> @ error/convert.c/ConvertImageCommand/3015. </code></pre> <p>这个怎么解决？</p> Lhuo Tue, 04 Jul 2017 14:43:24 +0800 https://ruby-china.org/topics/33396 https://ruby-china.org/topics/33396 <p>opennebula 用的 sinatra 框架，要获取一个较大的数据，后台需要用 60 多秒，前端在 30 秒的时候报错 502 错误。## 请问谁知道怎么配置 sinatra 的响应时间？？？</p> Lhuo Mon, 08 May 2017 16:32:20 +0800 https://ruby-china.org/topics/32950 https://ruby-china.org/topics/32950