sudo nano ~/.bashrc

#add this to the end of the file

PS1='\[\033[1;36m\]\u\[\033[1;31m\]@\[\033[1;32m\]\h:\[\033[1;35m\]\w\[\033[1;31m\]\$\[\033[0m\] '

#save and exit

crtl o <enter>

crtl x

#force change

source ~/.bashrc