node版本管理工具-nvm

2023-7-4

Nodejs

大约 2 分钟

概述： nvm是一个nodejs的版本管理工具。我们可以通过它安装和切换不同版本的node.js。

# Win环境

# 安装`nvm`；

传送门 (opens new window)
双击直接安装即可。

# 测试；

桌面打开cmd输入nvm,出现以下界面就说明安装成功；

PS C:\Users\ASUS\Desktop> nvm

Running version 1.1.7.

Usage:

  nvm arch                     : Show if node is running in 32 or 64 bit mode.
  nvm install <version> [arch] : The version can be a node.js version or "latest" for the latest stable version.
                                 Optionally specify whether to install the 32 or 64 bit version (defaults to system arch).
                                 Set [arch] to "all" to install 32 AND 64 bit versions.
                                 Add --insecure to the end of this command to bypass SSL validation of the remote download server.
  nvm list [available]         : List the node.js installations. Type "available" at the end to see what can be installed. Aliased as ls.
  nvm on                       : Enable node.js version management.
  nvm off                      : Disable node.js version management.
  nvm proxy [url]              : Set a proxy to use for downloads. Leave [url] blank to see the current proxy.
                                 Set [url] to "none" to remove the proxy.
  nvm node_mirror [url]        : Set the node mirror. Defaults to https://nodejs.org/dist/. Leave [url] blank to use default url.
  nvm npm_mirror [url]         : Set the npm mirror. Defaults to https://github.com/npm/cli/archive/. Leave [url] blank to default url.
  nvm uninstall <version>      : The version must be a specific version.
  nvm use [version] [arch]     : Switch to use the specified version. Optionally specify 32/64bit architecture.
                                 nvm use <arch> will continue using the selected version, but switch to 32/64 bit mode.
  nvm root [path]              : Set the directory where nvm should store different versions of node.js.
                                 If <path> is not set, the current root will be displayed.
  nvm version                  : Displays the current running version of nvm for Windows. Aliased as v.

PS C:\Users\ASUS\Desktop> nvm list

No installations recognized.
PS C:\Users\ASUS\Desktop>

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# 下载指定版本的node.js

使用nvm list查看当前已安装的nodejs版本;（理论上应该是没有可用的版本的）；

使用nvm install 8.9来安装Nodejs8.9版本；使用nvm list查看；

PS C:\Users\ASUS\Desktop> nvm list

  * 8.9.0 (Currently using 64-bit executable)
PS C:\Users\ASUS\Desktop>

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# 使用指定的Nodejs版本；

命令；* 表示当前正在使用的版本。

# 使用nodsjs8.9版本；
nvm use 15.8

PS C:\Users\ASUS\Desktop> nvm use 8.9
8.9.0
Now using node v8.9.0 (64-bit)
PS C:\Users\ASUS\Desktop> nvm list

    15.8.0
    10.0.0
  * 8.9.0 (Currently using 64-bit executable)
PS C:\Users\ASUS\Desktop> node -v
v8.9.0
PS C:\Users\ASUS\Desktop>

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# 卸载nvm

直接在程序和功能中找到NVM for Windows点击卸载即可；

# 注意

首次安装Nodejs请安装全局的即nvm install 12.22.3 -g ，不然的话不可以全局使用，全局安装的会在C:\Program Files文件夹下生成nodejs软链接，指向你nvm安装并当前使用的Nodejs版本。

# Linux 环境

# 下载安装包

官网地址 (opens new window)

wget https://github.com/nvm-sh/nvm/archive/refs/tags/v0.39.3.tar.gz

# 解压NVM

# 创建 .nvm 目录
mkdir /root/.nvm

# 解压
tar -zxvf v0.39.3.tar.gz --strip-components 1  -C /root/.nvm

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# 环境配置

vim ~/.bashrc

# 配置生效

source ~/.bashrc

# 验证nvm

[root@iZbp156pkpio44mis76wmxZ ~]# nvm --version
0.39.3

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