Requirements:

• Node
• NPM
• NPX
• Angular

Manage Angular:

• Install Angular in a custom folder:

npm install --prefix <path> <package>

• NPX is an NPM package runner and allows to execute JS package without even installing it:

npx -p @angular/cli ng new <project-name>

• Use Angular directly from the folder:

npx ng <command>

Open/Close Ports (Mac):

• Find out the process ID (PID) which is occupying the port number:

sudo lsof -i :<port>

• Kill the process:

sudo kill -9 <PID>