ubuntu 18.04 使用 nvm 安裝 nodejs

20190315 使用 nvm 安裝 nodejs

一、 找到 nvm 官網幫助

https://github.com/creationix/nvmnode

我習慣於 terminal 操做,因此選擇 git install ,幫助文檔以下 https://github.com/creationix/nvm#git-installlinux

二、下載 nvm、install

mkdir nvm
cd nvm/
wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
提示內容:
	=> Downloading nvm as script to '/home/dhbm/.nvm'
	
	=> Appending nvm source string to /home/dhbm/.bashrc
	=> Appending bash_completion source string to /home/dhbm/.bashrc
	=> Close and reopen your terminal to start using nvm or run the following to use it now:
	
	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

三、設置環境

按照提示,直接 copy 粘貼以上內容
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

確認 nvm
command -v nvm
返回結果:
	nvm

四、安裝 nodejs

nvm install node
返回內容以下:
	Downloading and installing node v11.11.0..
	...

確認 nodejs 和 npm 版本	
	node --version
	返回結果:
		v11.11.0
	 npm -v
		6.7.0

五、設置 淘寶鏡像代理

獲取當前 npm 代理
	npm get registry
	返回結果:
		https://registry.npmjs.org/

	設置淘寶鏡像代理
	npm config set registry http://registry.npm.taobao.org/

	恢復 npm 代理
	npm config set registry https://registry.npmjs.org/

六、安裝 cnpm

npm install cnpm -g

查看版本號
	cnpm -v
	返回結果:
		cnpm@6.0.0 (/home/dhbm/.nvm/versions/node/v11.11.0/lib/node_modules/cnpm/lib/parse_argv.js)
		npm@6.9.0 (/home/dhbm/.nvm/versions/node/v11.11.0/lib/node_modules/cnpm/node_modules/npm/lib/npm.js)
		node@11.11.0 (/home/dhbm/.nvm/versions/node/v11.11.0/bin/node)
		npminstall@3.20.2 (/home/dhbm/.nvm/versions/node/v11.11.0/lib/node_modules/cnpm/node_modules/npminstall/lib/index.js)
		prefix=/home/dhbm/.nvm/versions/node/v11.11.0 
		linux x64 4.15.0-46-generic 
		registry=https://registry.npm.taobao.org

七、安裝 yarn

常常有 npm 找不到的包, npm淘寶鏡像和 cnpm 也無論用
因此,也安裝一個 yarn 備用
npm install -g yarn

查看版本號
yarn -v
	1.13.0

一樣設置一下 yarn 淘寶鏡像代理
yarn config set registry http://registry.npm.taobao.org/
yarn config set registry https://registry.npm.taobao.org -g 
yarn config set sass_binary_site http://cdn.npm.taobao.org/dist/node-sass -g
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