hostname in linux prompt manipulation
HOSTROLE=db-server-1 case $(whoami) in root) STARTCOLOUR='\[\e[31m\]'; ENDCOLOR="\[\e[m\]" PS1="${STARTCOLOUR}[\u@${HOSTROLE} \w]# $ENDCOLOR"; ;; oracle) STARTCOLOUR='\[\033[02;32m\]'; ENDCOLOR="\[\e[m\]" PS1="${STARTCOLOUR}[\u@${HOSTROLE} \w]$ $ENDCOLOR"; ;; *) STARTCOLOUR='\[\e[0m\]'; ENDCOLOR="\[\e[m\]" PS1="${STARTCOLOUR}[\u@${HOSTROLE} \w]$ $ENDCOLOR"; ;; esac