#!/bin/bash
# Author:  yeho <lj2007331 AT gmail.com>
# BLOG:  https://blog.linuxeye.cn
#
# Notes: OneinStack for CentOS/RadHat 6+ Debian 6+ and Ubuntu 12+
#
# Project home page:
#       https://oneinstack.com
#       https://github.com/lj2007331/oneinstack

get_char() {
  SAVEDSTTY=`stty -g`
  stty -echo
  stty cbreak
  dd if=/dev/tty bs=1 count=1 2> /dev/null
  stty -raw
  stty echo
  stty $SAVEDSTTY
}