change shell prompt nickname method

참조 : amazonDocs

sudo sh -c 'echo "export NICKNAME=hadoop03" > ⁄etc⁄profile.d⁄prompt.sh'
sudo vim ⁄etc⁄bashrc

[ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@\h \W]\\$ "
아래와 같이 변경
[ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@$NICKNAME \W]\\$ "

sudo touch /etc/sysconfig/bash-prompt-xterm
sudo chmod +x /etc/sysconfig/bash-prompt-xterm
sudo vim /etc/sysconfig/bash-prompt-xterm

마지막 라인에 아래문장을 append한다.
echo -ne "\033]0;${USER}@${NICKNAME}:${PWD/#$HOME/~}\007"