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npm install -g bower报错：
$ npm install -g bower npm ERR! network getaddrinfo ENOTFOUND npm ERR! network This is most likely not a problem with npm itself npm ERR! network and is related to network connectivity. npm ERR! network In most cases you are behind a proxy or have bad network settin gs. npm ERR! network npm ERR! network If you are behind a proxy, please make sure that the npm ERR! network ‘proxy‘ config is set properly. See: ‘npm help config‘ npm ERR! System Windows_NT 6.1.7601 npm ERR! command "c:\\Program Files (x86)\\nodejs\\node.exe" "c:\\Program Files (x86)\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "bower" npm ERR! cwd d:\Cpy Work\Yohaat Work\YOHAAT npm ERR! node -v v0.10.33 npm ERR! npm -v 1.4.28 npm ERR! syscall getaddrinfo npm ERR! code ENOTFOUND npm ERR! errno ENOTFOUND npm ERR! npm ERR! Additional logging details can be found in: npm ERR! d:\Cpy Work\Yohaat Work\YOHAAT\npm-debug.log
经过搜寻说是npm config set key错误，改了好几次http-proxy,proxy发现没有用，后来用npm config ls -l 查看了所有的config才发现是 registry "https://registry.npmjs.org/"被注释掉，虽然不知道是啥时候改，把注释去掉之后再install就成功了，所以大家如果遇到这种问题可以先查查registry参数是否设置了，再查问题或许更快解决。
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原文地址：http://www.cnblogs.com/vinityNxr-2015/p/5175497.html
