ubuntu@ip-172-31-8-5:~/twitter$ npm i &
[1] 29029
ubuntu@ip-172-31-8-5:~/twitter$ [..................] / normalizeTree: sill installnpm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.15
npm WARN optional Skipping failed optional dependency /watchify/chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@0.2.1
npm WARN react-isomorph@0.0.0 No repository field.