Make sure that you have node, npm and angular cli installed. If not, run these commands :
sudo apt install node
sudo apt install npm
sudo npm install -g @angular/cli
The above commands will install these versions Node:10.19.0, Angular CLI:10.1.6 and npm:6.14.4
Setup the repository by running these commands :
git clone https://github.com/kenzz17/ocde-angular.git
cd ocde-angular
npm install
( to install all the node modules )ng serve
( to start the app on localhost:4200 )