我无法从npm安装任何节点模块.
npm install socket.io
上面的命令产生了以下输出,它无法安装socket.io
npm http GET https://registry.npmjs.org/socket.io
npm ERR! Error: failed to fetch from registry: socket.io
npm ERR! at /opt/node0610/lib/node_modules/npm/lib/utils/npm-registry-client/get.js:139:12
npm ERR! at cb (/opt/node0610/lib/node_modules/npm/lib/utils/npm-registry-client/request.js:32:9)
npm ERR! at Request._callback (/opt/node0610/lib/node_modules/npm/lib/utils/npm-registry-client/request.js:137:18)
npm ERR! at Request.callback (/opt/node0610/lib/node_modules/npm/node_modules/request/main.js:109:22)
npm ERR! at Request.<anonymous> (/opt/node0610/lib/node_modules/npm/node_modules/request/main.js:198:58)
npm ERR! at Request.emit (events.js:88:20)
npm ERR! at ClientRequest.<anonymous> (/opt/node0610/lib/node_modules/npm/node_modules/request/main.js:195:10)
npm ERR! at ClientRequest.emit (events.js:67:17)
npm ERR! at CleartextStream.<anonymous> (http.js:1134:11)
npm ERR! at CleartextStream.emit (events.js:67:17)
npm ERR! You may report this log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! …