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

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