apache安装脚本,兼容CentOS7

#/*************************************************************************
#> File Name: installApache.sh
#> Author: liyong
#> Mail: 2550702985@qq.com
#> Created Time: Thu 20 Apr 2017 02:39:18 AM PDT
# ************************************************************************/

#!/bin/bash
[ $UID -ne 0 ] && {
  echo -e '\033[32m This scripit must be run by root \033[0m' && exit 2}
tarDir=