Node 版本管理工具
webkong 11/24/2017
# NVM Github 地址
linux ：https://github.com/creationix/nvm (opens new window)
windows: https://github.com/coreybutler/nvm-windows (opens new window)
官方 github 有详细的安装和使用方法
# 卸载已安装到全局的 node/npm
如果之前是官网下载安装，或者是 brew 安装建议，先删除 node 和全局模块
npm ls -g --depth=0 #查看已经安装在全局的模块，以便删除这些全局模块后再按照不同的 node 版本重新进行全局安装
sudo rm -rf /usr/local/lib/node_modules #删除全局 node_modules 目录
sudo rm /usr/local/bin/node #删除 node
cd /usr/local/bin && ls -l | grep "../lib/node_modules/" | awk '{print $9}'| xargs rm #删除全局 node 模块注册的软链
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# 安装（linux）
通过 curl 或 wget
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.6/install.sh | bash
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wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.6/install.sh | bash
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添加.bashrc或.bash_profile或.zshrc
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion
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查看安装成功
nvm --version
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如果没有输出，执行
source ~/.bashrc 或 ~/.bash_profile 或 ~/.zshrc
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# 安装 node
nvm install 6.11.3
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# 使用 nvm
nvm ls-remote #所有可以安装的版本
nvm install 版本号 #安装某个版本的node
nvm use 版本号 #切换到某个版本的node
nvm current # 查看当前使用的版本
nvm ls #系统已安装的版本
nvm alias default node #给node加别名
nvm run 6.10.3 app.js 使用6.10.3版本运行js
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# 使用 .nvmrc 文件配置项目所使用的 node 版本
如果默认的版本和要使用的版本不同，但是又不想切换版本，可以使用.nvmrc来指定 node
$ echo "5.9" > .nvmrc
$ echo "lts/*" > .nvmrc # to default to the latest LTS version
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$ nvm use
Found '/path/to/project/.nvmrc' with version <5.9>
Now using node v5.9.1 (npm v3.7.3)
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# 最后
在成功安装之后， node 的真是安装位置是在
/Users/<username>/.nvm/versions/node
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会有安装的所有版本， 每个版本中都有自己的 npm 方便管理和使用
就可以像以往一样使用 node 了。
npm install -g cnpm --registry=https://registry.npm.taobao.org
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####其他
如果 nvm ls-remote 返回 N/A，可以使用非 HTTPS 的源
export NVM_NODEJS_ORG_MIRROR=https://nodejs.org/dist
或者
export NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node
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如果还是不行可修改 nvm.sh 文件，在 curl 加上-k 以非加密形式请求。
nvm_download() {
if nvm_has "curl"; then
curl -k $*
elif nvm_has "wget"; then
# Emulate curl with wget
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nvm alias @8 8.9.1
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命令行内容
Usage:
nvm --help Show this message
nvm --version Print out the installed version of nvm
nvm install [-s] <version> Download and install a <version>, [-s] from source. Uses .nvmrc if available
--reinstall-packages-from=<version> When installing, reinstall packages installed in <node|iojs|node version number>
--lts When installing, only select from LTS (long-term support) versions
--lts=<LTS name> When installing, only select from versions for a specific LTS line
--skip-default-packages When installing, skip the default-packages file if it exists
--latest-npm After installing, attempt to upgrade to the latest working npm on the given node version
nvm uninstall <version> Uninstall a version
nvm uninstall --lts Uninstall using automatic LTS (long-term support) alias `lts/*`, if available.
nvm uninstall --lts=<LTS name> Uninstall using automatic alias for provided LTS line, if available.
nvm use [--silent] <version> Modify PATH to use <version>. Uses .nvmrc if available
--lts Uses automatic LTS (long-term support) alias `lts/*`, if available.
--lts=<LTS name> Uses automatic alias for provided LTS line, if available.
nvm exec [--silent] <version> [<command>] Run <command> on <version>. Uses .nvmrc if available
--lts Uses automatic LTS (long-term support) alias `lts/*`, if available.
--lts=<LTS name> Uses automatic alias for provided LTS line, if available.
nvm run [--silent] <version> [<args>] Run `node` on <version> with <args> as arguments. Uses .nvmrc if available
--lts Uses automatic LTS (long-term support) alias `lts/*`, if available.
--lts=<LTS name> Uses automatic alias for provided LTS line, if available.
nvm current Display currently activated version
nvm ls List installed versions
nvm ls <version> List versions matching a given <version>
nvm ls-remote List remote versions available for install
--lts When listing, only show LTS (long-term support) versions
nvm ls-remote <version> List remote versions available for install, matching a given <version>
--lts When listing, only show LTS (long-term support) versions
--lts=<LTS name> When listing, only show versions for a specific LTS line
nvm version <version> Resolve the given description to a single local version
nvm version-remote <version> Resolve the given description to a single remote version
--lts When listing, only select from LTS (long-term support) versions
--lts=<LTS name> When listing, only select from versions for a specific LTS line
nvm deactivate Undo effects of `nvm` on current shell
nvm alias [<pattern>] Show all aliases beginning with <pattern>
nvm alias <name> <version> Set an alias named <name> pointing to <version>
nvm unalias <name> Deletes the alias named <name>
nvm install-latest-npm Attempt to upgrade to the latest working `npm` on the current node version
nvm reinstall-packages <version> Reinstall global `npm` packages contained in <version> to current version
nvm unload Unload `nvm` from shell
nvm which [<version>] Display path to installed node version. Uses .nvmrc if available
nvm cache dir Display path to the cache directory for nvm
nvm cache clear Empty cache directory for nvm
Example:
nvm install 8.0.0 Install a specific version number
nvm use 8.0 Use the latest available 8.0.x release
nvm run 6.10.3 app.js Run app.js using node 6.10.3
nvm exec 4.8.3 node app.js Run `node app.js` with the PATH pointing to node 4.8.3
nvm alias default 8.1.0 Set default node version on a shell
nvm alias default node Always default to the latest available node version on a shell
Note:
to remove, delete, or uninstall nvm - just remove the `$NVM_DIR` folder (usually `~/.nvm`)
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