首页 > 解决方案 > 即使使用 sudo,Yeoman 也会给出权限错误

问题描述

我按照本教程安装了 Yeoman 和 Azure 的生成器。

因此,当我这样做时:sudo yo azuresfcontainer,它给了我以下错误:

/usr/local/lib/node_modules/yo/node_modules/fast-glob/out/providers/reader-sync.js:45
            throw err;
            ^

Error: EACCES: permission denied, scandir '/usr/lib/ssl/private'
    at Object.fs.readdirSync (fs.js:875:3)
    at exports.readdir (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/sync/fs.js:18:20)
    at Object.safeCall [as safe] (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/call.js:24:8)
    at DirectoryReader.readNextDirectory (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/directory-reader.js:78:10)
    at Readable.DirectoryReader.stream._read (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/directory-reader.js:57:18)
    at Readable.read (_stream_readable.js:455:10)
    at readdirSync (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/sync/index.js:27:21)
    at Function.readdirSyncStat (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/index.js:34:10)
    at ReaderSync.dynamicApi (/usr/local/lib/node_modules/yo/node_modules/fast-glob/out/providers/reader-sync.js:61:24)
    at ReaderSync.api (/usr/local/lib/node_modules/yo/node_modules/fast-glob/out/providers/reader-sync.js:53:25)
Emitted 'error' event at:
    at DirectoryReader.emit (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/directory-reader.js:365:14)
    at call.safe (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/directory-reader.js:81:14)
    at onceWrapper (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/call.js:45:17)
    at onceWrapper (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/call.js:45:17)
    at exports.readdir (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/sync/fs.js:22:5)
    at Object.safeCall [as safe] (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/call.js:24:8)
    [... lines matching original stack trace ...]
    at readdirSync (/usr/local/lib/node_modules/yo/node_modules/@mrmlnc/readdir-enhanced/lib/sync/index.js:27:21)

我哪里做错了?

标签: azureyeomanazure-service-fabricyo

解决方案


我不认为你做错了什么,它看起来像是对 yeoman 的依赖破坏了 yeoman。这是 yeoman-environment 依赖项,此问题已打开:https ://github.com/yeoman/environment/issues/97复制粘贴以下问题:

运行 yo 时出现以下错误: Error: EACCES: permission denied, scandir '/usr/sbin/authserver (MacOS / High Sierra)

罪魁祸首在这里:

  // Adds support for generator resolving when yeoman-generator has been linked
  if (process.argv[1]) {
        paths.push(path.join(path.dirname(process.argv[1]), '../..'));
  }

在 getNpmPaths() 中。我的 yo 位于 /usr/local/bin/yo,这会将整个 /usr 目录添加到搜索路径 => 如果某些目录不是用户可读的,resolver.findsGeneratorIn 中的 globby.sync 将抛出。

这样的事情解决了这个问题:

try {
      modules = modules.concat(globby.sync(
        ['generator-*', '@*/generator-*'],
        {cwd: root, onlyFiles: false, absolute: true}
      ));
} catch(err) {
     debug( 'Could not access %s (%s)', root, err); 
}

我可以通过将全局包安装到不同的文件夹来解决这个问题。 https://docs.npmjs.com/getting-started/fixing-npm-permissions

为了最大限度地减少权限错误的可能性,您可以将 npm 配置为使用不同的目录。在此示例中,它将是您的主文件夹中的隐藏目录。

在开始之前备份您的计算机。

为全局安装创建一个目录:

mkdir ~/.npm-global 

配置 npm 以使用新的目录路径:

npm config set prefix '~/.npm-global'

打开或创建一个 ~/.profile 文件并添加以下行:

export PATH=~/.npm-global/bin:$PATH

返回命令行,更新系统变量:

source ~/.profile

测试:在不使用 sudo 的情况下全局下载一个包。

npm install -g jshint

除了步骤 2-4,您可以使用相应的 ENV 变量(例如,如果您不想修改 ~/.profile):

NPM_CONFIG_PREFIX=~/.npm-global

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