blocks|key|813343|text|(事实上，问题已经在评论中解决了-但为了完成和子孙后代，我正在发布一个实际的答案)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|813344|错误:+pngquant生成失败，请确保安装了libpng-dev。|blockquote|813345|此错误意味着系统缺少安装libpng+Node.JS模块所需的imagemin开发库。要在CentOS+6上安装它，需要发出以下命令：|offset|length|style|CODE|813346|yum+install+libpng-devel|813347|请注意，包管理器(这里-+yum)和包名(libpng-devel)在不同的Linux发行版之间都可能有所不同。|813348|entityMap^0|0|0|C|6|V|8|0|0|O|0|D|3|L|C|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$]]|$1|E|3|F|5|6|7|S|8|@$G|T|H|U|I|J]|$G|V|H|W|I|J]]|9|@]|A|$]]|$1|K|3|L|5|6|7|X|8|@$G|Y|H|Z|I|J]]|9|@]|A|$]]|$1|M|3|N|5|6|7|10|8|@$G|11|H|12|I|J]|$G|13|H|14|I|J]]|9|@]|A|$]]|$1|O|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|P|$]]

(Problem de facto already solved in the comments - but for the sake of completion and future generations I'm posting an actual answer).

<blockquote>
 Error: pngquant failed to build, make sure that libpng-dev is installed
</blockquote>

This error means that the system is lacking <code>libpng</code> development library, which is needed to install <code>imagemin</code> Node.JS module. To install it on CentOS 6, you need to issue this command:

<code>yum install libpng-devel</code>

Please note that both package manager (here - <code>yum</code>) and package name (<code>libpng-devel</code>) can vary between different Linux distributions.

blocks|key|4697904|text|即使安装了CentOS+7，我也有同样的问题。看起来这个包在node_modules/pngquant-bin/vendor/pngquant中带有一个预编译的二进制程序，它与Linux安装(CentOS+7最新版)有些不兼容。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4697905|我已经通过将这个二进制文件替换为CentOS+7可用的二进制文件来解决这个问题。|4697906|首先，我正在安装带有pngquant的官方软件包yum。然后我正在安装节点模块。如果愿意，可以在安装操作之前删除node_modules文件夹。不过，这不是必需的。|4697907|该错误将如常显示(程序文件尚未替换)：|4697908|⚠+The+`node_modules/pngquant-bin/vendor/pngquant`+binary+doesn't+seem+to+work+correctly+++++⚠+pngquant+pre-build+test+failed+++++ℹ+compiling+from+source+++++✖+Error:+pngquant+failed+to+build,+make+sure+that+libpng-dev+is+installed+++++++at+ChildProcess.exithandler+(child_process.js:206:12)+++++++at+emitTwo+(events.js:106:13)+++++++at+ChildProcess.emit+(events.js:191:7)+++++++at+maybeClose+(internal/child_process.js:877:16)+++++++at+Process.ChildProcess._handle.onexit+(internal/child_process.js:226:5)|blockquote|4697909|但是，替换了二进制文件之后，一切都应该很好.|BOLD|4697910|sh+yum+install+libpng-devel+pngquant+npm+install+rm+-rf+node_modules/pngquant-bin/vendor/pngquant+ln+-s+/usr/bin/pngquant+node_modules/pngquant-bin/vendor/pngquant|4697911|在此之后，您可以运行任何您喜欢的命令，"imagemin:dynamic“等。它应该能够正常工作。|4697912|摘要|4697913|一般来说，问题似乎在pngquant-bin节点包中。这个解决方案也可能对其他Linux发行版有所帮助。|4697914|解决方案本身是使用OS包管理器安装官方支持的pngquant版本的，并在安装后替换pngquant-bin供应商文件夹中的二进制文件。|4697915|更新|4697916|此外，最近还存在一个与pngquant+npm包有关的问题。它似乎有一个错误的版本-锁定您的package.json中所需的package.json包到旧版本(为您最后正确运行的版本)。|4697917|entityMap^0|U|15|0|0|A|8|O|3|1K|C|0|0|0|E1|0|3|J|0|0|4J|0|0|0|A|C|0|H|G|M|8|15|C|0|0|B|8|1A|C|1Q|C|0^^$0|@$1|2|3|4|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1A|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|1B|8|@$9|1C|A|1D|B|C]|$9|1E|A|1F|B|C]|$9|1G|A|1H|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1I|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|1J|8|@$9|1K|A|1L|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|1M|8|@$9|1N|A|1O|B|Q]]|D|@]|E|$]]|$1|R|3|S|5|6|7|1P|8|@$9|1Q|A|1R|B|C]]|D|@]|E|$]]|$1|T|3|U|5|6|7|1S|8|@]|D|@]|E|$]]|$1|V|3|W|5|6|7|1T|8|@]|D|@]|E|$]]|$1|X|3|Y|5|6|7|1U|8|@$9|1V|A|1W|B|C]]|D|@]|E|$]]|$1|Z|3|10|5|6|7|1X|8|@$9|1Y|A|1Z|B|Q]|$9|20|A|21|B|C]|$9|22|A|23|B|C]]|D|@]|E|$]]|$1|11|3|12|5|6|7|24|8|@]|D|@]|E|$]]|$1|13|3|14|5|6|7|25|8|@$9|26|A|27|B|C]|$9|28|A|29|B|C]|$9|2A|A|2B|B|C]]|D|@]|E|$]]|$1|15|3|-4|5|6|7|2C|8|@]|D|@]|E|$]]]|16|$]]

I had the same issue with CentOS 7 even with <code>libpng-devel</code> installed. It seems the package carries a precompiled binary program in <code>node_modules/pngquant-bin/vendor/pngquant</code> which is somehow incompatible with the Linux installation (CentOS 7 latest).

I have made a solution to the problem by replacing this binary file with the one that is available for CentOS 7.

I am installing the official package <code>pngquant</code> with <code>yum</code>, first. Then I am installing the node modules. You can remove the <code>node_modules</code> folder if you like prior to install action. Its not required, though.

The error will be shown as usual (the program file is not yet replaced):

<blockquote>
 <code>⚠ The `node_modules/pngquant-bin/vendor/pngquant` binary doesn't seem to work correctly
 ⚠ pngquant pre-build test failed
 ℹ compiling from source
 ✖ Error: pngquant failed to build, make sure that libpng-dev is installed
 at ChildProcess.exithandler (child_process.js:206:12)
 at emitTwo (events.js:106:13)
 at ChildProcess.emit (events.js:191:7)
 at maybeClose (internal/child_process.js:877:16)
 at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
 </code>
</blockquote>

However, after replacing the binary file everything should be fine.

<code>sh
yum install libpng-devel pngquant
npm install
rm -rf node_modules/pngquant-bin/vendor/pngquant
ln -s /usr/bin/pngquant node_modules/pngquant-bin/vendor/pngquant
</code>

After that you can run any command you like, "imagemin:dynamic", etc. It should work properly.

<h2>Summary</h2>

Generally speaking, the problem appear to be inside the <code>pngquant-bin</code> node package. This solution might help for other Linux distributions as well.

The solution itself is to install the officially supported version of <code>pngquant</code> with the OS package manager and to replace the binary inside the <code>pngquant-bin</code> vendor folder after its installation.

<h1>Update</h1>

In addition, there is a recent problem that is still related with <code>pngquant</code> npm package. It seems that there is a buggy release of it - lock the required <code>pngquant</code> package in your <code>package.json</code> to older version (last properly running version for you).

blocks|key|4698003|text|以前的解决方案对我没用。我用的是centos+7.4|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4698004|执行时|4698005|#+npm+install|code-block|syntax|javascript|4698006|我收到了错误：|4698007|✖错误:+pngquant生成失败，请确保libpng-dev是安装的|blockquote|4698008|在试图安装libpng-devel时，它说它已经安装好了。|offset|length|style|CODE|4698009|溶液|BOLD|4698010|如果使用旧版本，更新nodejs+&+npm版本。|4698011|我已经更新到|4698012|Nodejs版本|4698013|[root@hosting+~]#+node+-v|4698014|v8.10.0|4698015|npm版本|4698016|[root@hosting+~]#+npm+-v|4698017|5.7.1|4698018|检查服务器上安装的libpng-devel。|4698019|[root@hosting+~]#+rpm+-qa+%7Cgrep+libpng|4698020|libpng-1.5.13-7.el7_2.x86_64|4698021|libpng-发展-1.5.13-7.el7_2.x86_64|4698022|如果您正在使用epel回购，那么它将安装最新版本。有关libpng发布检查的更多信息|4698023|[root@hosting+~]#+yum+list+%7Cgrep+libpng|4698024|我安装了|4698025|yum+install+libpng12-1.2.50-10.el7.x86_64+libpng12-devel-1.2.50-10.el7.x86_64|4698026|移动节点模块|4698027|mv+node_modules+node_modules_bak|4698028|然后键入|4698029|#+npm+install|4698030|entityMap^0|0|0|0|0|0|5|C|0|0|2|0|0|0|0|8|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|22|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|23|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|24|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|25|8|@]|9|@]|A|$]]|$1|K|3|L|5|M|7|26|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|27|8|@$P|28|Q|29|R|S]]|9|@]|A|$]]|$1|T|3|U|5|6|7|2A|8|@$P|2B|Q|2C|R|V]]|9|@]|A|$]]|$1|W|3|X|5|6|7|2D|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|2E|8|@]|9|@]|A|$]]|$1|10|3|11|5|6|7|2F|8|@$P|2G|Q|2H|R|V]]|9|@]|A|$]]|$1|12|3|13|5|F|7|2I|8|@]|9|@]|A|$G|H]]|$1|14|3|15|5|6|7|2J|8|@]|9|@]|A|$]]|$1|16|3|17|5|6|7|2K|8|@]|9|@]|A|$]]|$1|18|3|19|5|F|7|2L|8|@]|9|@]|A|$G|H]]|$1|1A|3|1B|5|6|7|2M|8|@]|9|@]|A|$]]|$1|1C|3|1D|5|6|7|2N|8|@]|9|@]|A|$]]|$1|1E|3|1F|5|F|7|2O|8|@]|9|@]|A|$G|H]]|$1|1G|3|1H|5|6|7|2P|8|@]|9|@]|A|$]]|$1|1I|3|1J|5|6|7|2Q|8|@]|9|@]|A|$]]|$1|1K|3|1L|5|6|7|2R|8|@]|9|@]|A|$]]|$1|1M|3|1N|5|F|7|2S|8|@]|9|@]|A|$G|H]]|$1|1O|3|1P|5|6|7|2T|8|@]|9|@]|A|$]]|$1|1Q|3|1R|5|F|7|2U|8|@]|9|@]|A|$G|H]]|$1|1S|3|1T|5|6|7|2V|8|@]|9|@]|A|$]]|$1|1U|3|1V|5|F|7|2W|8|@]|9|@]|A|$G|H]]|$1|1W|3|1X|5|6|7|2X|8|@]|9|@]|A|$]]|$1|1Y|3|1Z|5|F|7|2Y|8|@]|9|@]|A|$G|H]]|$1|20|3|-4|5|6|7|2Z|8|@]|9|@]|A|$]]]|21|$]]

The previous solutions didn't work for me. I'm using centos 7.4

When executing executing 

<pre><code># npm install
</code></pre>

I recieved the error:

<blockquote>
 ✖ Error: pngquant failed to build, make sure that libpng-dev is installed`
</blockquote>

While trying to install <code>libpng-devel</code>, it says it's already installed.

Solution 

Update the nodejs &amp; npm version if it's using old one.

I have updated to

Nodejs Version

<pre><code>[root@hosting ~]# node -v
</code></pre>

v8.10.0

npm version 

<pre><code>[root@hosting ~]# npm -v
</code></pre>

5.7.1

Check the installed libpng-devel on your server.

<pre><code>[root@hosting ~]# rpm -qa |grep libpng
</code></pre>

libpng-1.5.13-7.el7_2.x86_64

libpng-devel-1.5.13-7.el7_2.x86_64

If you are using epel repo then it will install the latest version. For more libpng release check

<pre><code>[root@hosting ~]# yum list |grep libpng
</code></pre>

I have installed 

<pre><code>yum install libpng12-1.2.50-10.el7.x86_64 libpng12-devel-1.2.50-10.el7.x86_64
</code></pre>

moved node modules 

<pre><code>mv node_modules node_modules_bak
</code></pre>

Then type 

<pre><code># npm install
</code></pre>

blocks|key|813413|text|以下是我如何解决我的案件的问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|813414|删除node_modules|offset|length|style|CODE|813415|rm+-rf+node_modules|code-block|syntax|javascript|813416|安装以下依赖项：|813417|sudo+dnf+install+libpng-devel+pngquant+gcc+make+libpng12+libpng12-devel|813418|重建依赖关系。我使用yarn|813419|yarn|813420|entityMap^0|0|2|C|0|0|0|0|A|4|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|10|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|11|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|12|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|13|8|@$D|14|E|15|F|G]]|9|@]|A|$]]|$1|S|3|T|5|J|7|16|8|@]|9|@]|A|$K|L]]|$1|U|3|-4|5|6|7|17|8|@]|9|@]|A|$]]]|V|$]]

Here's how I resolved the issue for my case:

Delete <code>node_modules</code>:

<pre><code>rm -rf node_modules
</code></pre>

Install following dependencies:

<pre><code>sudo dnf install libpng-devel pngquant gcc make libpng12 libpng12-devel
</code></pre>

Rebuild dependencies. I use <code>yarn</code>:

<pre><code>yarn
</code></pre>

blocks|key|4698066|text|在我的例子中，我在Amazon上使用了一个CentOS实例，我在这里也遇到了同样的问题。我通过安装libpng12和libpng12-devel+(+installing+libpng12+libpng12-devel)，然后运行纱线安装(或npm安装)来解决这个问题，并且包安装正确。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4698067|就这个！|4698068|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

in my case, I'm using a CentOS instance on Amazon WS and I faced same problem here. I solved it by installing libpng12 and libpng12-devel (yum install libpng12 libpng12-devel), then running yarn install (or npm install) and the packages did installed correctly.

Just this!

I am trying to use Node.js imagemin to compress a lot of images on my server. I like using imagemin because I know how to point it at specific directories.

I am using CentOS 6 and when I run my file, I get the error:

<blockquote>
 node_modules/imagemin/node_modules/imagemin-pngquant/node_modules/pngquant-bin/vendor/pngquant: /lib64/libc.so.6: version `GLIBC_2.14' not found
</blockquote>

Also, when I installed imagemin with <code>npm install imagemin</code>, I got an error that said:

<blockquote>
 Error: pngquant failed to build, make sure that libpng-dev is installed
</blockquote>

Any ideas on what I can do to solve this?

Node.js imagemin on CentOS

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在尝试使用Node.js imagemin来压缩服务器上的许多图像。我喜欢使用imagemin，因为我知道如何将它指向特定的目录。我使用的是CentOS 6，当我运行我的文件时，我得到了错误：node_modules/imagemin/node_modules/imagemin-pngquant/node_modu...

问Node.js图像素在CentOS上的应用
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