node.js 并表示 -bash: /usr/bin/express: 没有那个文件或目录

node.js and express -bash: /usr/bin/express: No such file or directory

我从 node.js 图像 ( w ubuntu 14.04) 开始了一个 Digital Ocean droplet 检查它,我得到:

$ node -v
  v4.3.0

然后,我尝试安装最新版本的 express.js :

    $ sudo npm install -g express
    express@4.13.4 /usr/lib/node_modules/express
    ├── escape-html@1.0.3
    ├── array-flatten@1.1.1
    ├── cookie-signature@1.0.6
    ├── utils-merge@1.0.0
    ├── content-type@1.0.1
    ├── merge-descriptors@1.0.1
    ├── vary@1.0.1
    ├── methods@1.1.2
    ├── fresh@0.3.0
    ├── etag@1.7.0
    ├── parseurl@1.3.1
    ├── path-to-regexp@0.1.7
    ├── cookie@0.1.5
    ├── content-disposition@0.5.1
    ├── range-parser@1.0.3
    ├── serve-static@1.10.2
    ├── depd@1.1.0
    ├── qs@4.0.0
    ├── on-finished@2.3.0 (ee-first@1.1.1)
    ├── finalhandler@0.4.1 (unpipe@1.0.0)
    ├── debug@2.2.0 (ms@0.7.1)
    ├── proxy-addr@1.0.10 (forwarded@0.1.0, ipaddr.js@1.0.5)
    ├── send@0.13.1 (destroy@1.0.4, statuses@1.2.1, ms@0.7.1, mime@1.3.4, http-errors@1.3.1)
    ├── type-is@1.6.11 (media-typer@0.3.0, mime-types@2.1.10)
    └── accepts@1.2.13 (negotiator@0.5.3, mime-types@2.1.10)

但是当我检查 express 版本时,出现错误:

  $ express -v
 -bash: /usr/bin/express: No such file or directory

有什么问题吗?感谢反馈

更新---

我卸载并重新安装了 node.js :

curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash -
sudo apt-get install -y nodes
$ node -v
v4.3.1

但同样的问题

sudo npm install -g express 快递@4.13.4 /usr/lib/node_modules/express ... $ 快递-v -bash: /usr/bin/express: 没有那个文件或目录

检查您的 PATH 变量中是否存在 /usr/lib/node_modules/express

echo $PATH 将打印当前路径

此外,也许您没有安装 express-generator