Production is Red, Development is Blue
To get a red prompt drop this line in your ~/.bashrc file on your production server:PS1='\[\e[1;31m\][\u@\h \W]\$\[\e[0m\] 'We use this in our production environments and the red prompt, though not as jarring as a red background, is still scary enough to serve its purpose.One upside in setting this up on the server, as opposed to local like the OP, is that all connections in will get the red prompt.