nohup: ignoring input

> demoedgex@0.0.0 start /home/root1/eliot2910/eliot/blueprints/common/eliot-ui/frontend-src
> ng serve --proxy-config proxy.conf.json --host=0.0.0.0

An unhandled exception occurred: Port 4200 is already in use. Use '--port' to specify a different port.
See "/tmp/ng-ZJRaj8/angular-errors.log" for further details.
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! demoedgex@0.0.0 start: `ng serve --proxy-config proxy.conf.json --host=0.0.0.0`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the demoedgex@0.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/root1/.npm/_logs/2019-11-19T09_35_26_086Z-debug.log