4797 error Error: failed to fetch from registry: inherits/2.0.3
4797 error at RegClient.<anonymous> (/usr/lib/node_modules/npm-registry-client/lib/get.js:140:18)
4797 error at cb (/usr/lib/node_modules/npm-registry-client/lib/request.js:32:9)
4797 error at RegClient.<anonymous> (/usr/lib/node_modules/npm-registry-client/lib/request.js:122:10)
4797 error at cb (/usr/lib/node_modules/npm-registry-client/lib/request.js:132:9)
4797 error at RegClient.<anonymous> (/usr/lib/node_modules/npm-registry-client/lib/request.js:225:20)
4797 error at Request._callback (/usr/lib/node_modules/npm-registry-client/lib/request.js:204:20)
4797 error at self.callback (/usr/lib/node_modules/request/index.js:148:22)
4797 error at Request.emit (events.js:117:20)
4797 error at ClientRequest.self.clientErrorHandler (/usr/lib/node_modules/request/index.js:257:10)
4797 error at ClientRequest.emit (events.js:95:17)
问题解决:确保本机elasticsearch进程启动的 ./bin/elasticsearch -d
然后 npm install express --save
安装