在mozjpeg上安装npm时出错，权限是否被拒绝？

Question

我正在运行npm install，并收到以下错误：

> mozjpeg@5.0.0 postinstall /home/MyUser/public_html/node_modules/mozjpeg
> node lib/install.js

  ⚠ The `/home/MyUser/public_html/node_modules/mozjpeg/vendor/cjpeg` binary doesn't seem to work correctly
  ⚠ mozjpeg pre-build test failed
  ℹ compiling from source
  ✖ Error: autoreconf -fiv && ./configure --disable-shared --disable-dependency-tracking --with-jpeg8  --prefix="/home/MyUser/public_html/node_modules/mozjpeg/vendor" --bindir="/home/MyUser/public_html/node_modules/mozjpeg/vendor" --libdir="/home/MyUser/public_html/node_modules/mozjpeg/vendor" && make -j4 && make install -j4
Command failed: ./configure --disable-shared --disable-dependency-tracking --with-jpeg8  --prefix="/home/MyUser/public_html/node_modules/mozjpeg/vendor" --bindir="/home/MyUser/public_html/node_modules/mozjpeg/vendor" --libdir="/home/MyUser/public_html/node_modules/mozjpeg/vendor"
/bin/sh: ./configure: Permission denied

    at ChildProcess.exithandler (child_process.js:199:12)
    at emitTwo (events.js:106:13)
    at ChildProcess.emit (events.js:191:7)
    at maybeClose (internal/child_process.js:920:16)
    at Socket.<anonymous> (internal/child_process.js:351:11)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:188:7)
    at Pipe._handle.close [as _onclose] (net.js:497:12)

> optipng-bin@3.1.4 postinstall /home/MyUser/public_html/node_modules/optipng-bin
> node lib/install.js

  ✔ optipng pre-build test passed successfully

> pngquant-bin@4.0.0 postinstall /home/MyUser/public_html/node_modules/pngquant-bin
> node lib/install.js

  ⚠ The `/home/MyUser/public_html/node_modules/pngquant-bin/vendor/pngquant` binary doesn't seem to work correctly
  ⚠ pngquant pre-build test failed
  ℹ compiling from source
  ✔ pngquant pre-build test passed successfully
  ✖ Error: pngquant failed to build, make sure that libpng-dev is installed
    at Promise.all.then.arr (/home/MyUser/public_html/node_modules/pngquant-bin/node_modules/bin-build/node_modules/execa/index.js:231:11)
    at process._tickCallback (internal/process/next_tick.js:109:7)

这看起来像是缺乏权限，但我不明白为什么。如果我以root用户身份运行相同的命令，一切都会正常工作。我没有权限的原因是什么?我如何解决这个问题？

谢谢。

Answer 1

在xubuntu17.10上也有同样的问题，我所做的就是安装libpng-dev sudo apt-get install libpng-dev然后再次运行npm install。这解决了我的问题