将 Node.js 设置为 $PATH [英] Set Node.js to $PATH

问题描述

我正在研究 RoR，我正在将此虚拟机设置为部署"RoR，但我在 Node.js 安装中陷入困境.

I am studying RoR and I am setting this virtual machine to "deploy" RoR and I got stuck in the Node.js installation.

我使用的是 Ubuntu 12.04，我遵循了本指南的这一步:

I am using Ubuntu 12.04 and I followed this step of this guide:

http://railsapps.github.com/installing-rails.html

从 Rails 3.1 开始，在 Ubuntu Linux 上开发需要一个 JavaScript 运行时(Mac OS X 或 Windows 不需要它).为了在 Linux Ubuntu 上开发，最好安装 Node.js服务器端 JavaScript 环境:

Since Rails 3.1, a JavaScript runtime has been needed for development on Ubuntu Linux (it is not needed for Mac OS X or Windows). For development on Linux Ubuntu, it is best to install the Node.js server-side JavaScript environment:

$ sudo apt-get install nodejs

并将其设置在您的 $PATH 中.

and set it in your $PATH.

设置为我的 $PATH"是什么意思?

What does it mean, "set to my $PATH"?

过去几个小时我一直在谷歌上搜索它，所有解决方案都不同，针对不同的问题，我没有得到简单的答案.你能在这里给点光吗?

I've been searching for it on google in the last couple of hours and all solutions are different, for different problems and I get no simple answer for that. Can you give a little light here?

谢谢！

推荐答案

你不必担心这个，apt-get install 命令会为你做到这一点.它将 nodejs 进程的路径(通常是 /usr/bin/node)添加到全局 $PATH 变量中.这确保当您在终端中键入 node 时，它将启动 nodejs 进程.

You don't have to worry about that, the apt-get install command will do that for you. It adds the path to the nodejs process (usually /usr/bin/node) to the global $PATH variable. This ensures that when you type node in your terminal it will start the nodejs process.

如果由于某种奇怪的原因无法启动它，则必须手动将节点安装的路径添加到 $PATH.您可以通过编辑 ~/.bashrc 文件并添加:

If for some weird reason you cannot start it, you'll have to manually add the path to your node installation to the $PATH. You can do this by editing your ~/.bashrc file and adding:

PATH=/usr/bin/node:$PATH

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