script_tool_for_linux.bash: Linux 环境下的 hosts 一键部署脚本

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我是靠谱客的博主深情外套，最近开发中收集的这篇文章主要介绍script_tool_for_linux.bash: Linux 环境下的 hosts 一键部署脚本，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

Linux 环境下的 hosts 一键部署脚本，由 @lstoars 贡献; @fluviusmagnus 提供增强版本。

官方网站：https://github.com/racaljk/hosts/tree/master/hosts_tools

#!/bin/sh
#
# script_tool_for_linux
#
# Use command: `sudo sh script_tool_for_linux.sh` or
#    `su -c 'sh script_tool_for_linux.sh'`
# to update your hosts file.
#
# WARNING: the script CAN NOT replace others' hosts rules.
#   If you have hosts rules provided by others, you may get conflict.
#
if [ `id -u` -eq 0 ]; then
 curl -fLo /tmp/fetchedhosts 'https://raw.githubusercontent.com/racaljk/hosts/master/hosts'
 sed -i '/# Copyright (c) 2014/,/# Modified hosts end/d' /etc/hosts

 sed -i "s/localhost/`hostname`/g" /tmp/fetchedhosts

 cat /tmp/fetchedhosts >> /etc/hosts
 rm -f /tmp/fetchedhosts

 echo 'Success.'
else
 echo 'Permission denied, are you root?'
fi