Angular2/4 : Refresh Data Realtime

Question

I need to refresh the data in a component page in an interval. Also I need to refresh the data after doing some action. I am using Obeservables in the service so that I can

Answer 1

Just run this command in your project folder for linux user:

sudo sysctl fs.inotify.max_user_watches=524288 
sudo sysctl -p --system