How do you stop a rails server from the command line?

Way 1: Just type: Ctrl + C in the terminal where your server is running.

Way 2: Another way of doing it:

In your terminal to find out the PID of the process:

$ lsof -wni tcp:3000

Then, kill the process:

$ kill -9 PID

Way 3: You can also use the following command to kill all running apps with rails in the name:

killall -9 rails