NPM install Agular CLI install Nếu lỗi thì chạy force: npm install -g -f @angular/cli   Nếu lỗi Local workspace file (‘angular.json’) could not be found. ng update @angular/cli –migrate-only –from=1.7.3 npm install –save-dev @angular/cli@v6.0.0 ng update @angular/cli –migrate-only –from=1.7.3 Run ng serve –host 0.0.0.0 –disable-host-check –port 4201