hyperion@hyperion:~/sih_project/exp/js$ rm -rf node_modules
hyperion@hyperion:~/sih_project/exp/js$ grep -r node_modules
hyperion@hyperion:~/sih_project/exp/js$ npm install && npm install topojson
npm WARN nothing@1.0.0 No description
npm WARN nothing@1.0.0 No repository field.

npm ERR! path /home/hyperion/sih_project/exp/js/node_modules/topojson/node_modules/topojson-server/bin/geo2topo
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall chmod
npm ERR! enoent ENOENT: no such file or directory, chmod '/home/hyperion/sih_project/exp/js/node_modules/topojson/node_modules/topojson-server/bin/geo2topo'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/hyperion/.npm/_logs/2019-02-24T06_27_48_672Z-debug.log