#!/bin/bash
set +e
show_usage()
{
	echo "使用说明:"
	echo "修改主机名称"
	echo "$0 主机名称"
	return 1
}

mainproc()
{
	dsthname=$1
	if [ -z "$dsthname" ]; then
		echo "请输入主机名称!"
		return
	fi
	echo "setup_hostname:[开始]>>>>>>>>>>>>>>>>>>>>>>>>>>"

	echo "sudo hostnamectl set-hostname ${dsthname}"
	sudo cp -rf z.007.files.host/hosts /etc/hosts
	sudo hostnamectl set-hostname ${dsthname} > /dev/null 2>&1
	echo "sudo hsotname ${dsthname}"
	sudo hostname ${dsthname}
	echo "sudo sed -i \"s/^127.0.1.1.*/127.0.1.1 ${dsthname}/g\" /etc/hosts"
	sudo sed -i "s/^127.0.1.1.*/127.0.1.1  ${dsthname}/g" /etc/hosts
	echo "sudo sed -i "s/^::1.*/::1        localhost ${dsthname} ip6-localhost ip6-loopback/g" /etc/hosts"
	sudo sed -i "s/^::1.*/::1        localhost ${dsthname} ip6-localhost ip6-loopback/g" /etc/hosts
	echo "echo ${dsthname} > /etc/hostname"
	sudo bash -c "echo ${dsthname} > /etc/hostname"
	echo "setup_hostname:[完成]<<<<<<<<<<<<<<<<<<<<<<<<<<"
	return 0
}

mainproc $@
if [ $? -ne 0 ]; then
	echo "setup_hostname:[失败]<<<<<<<<<<<<<<<<<<<<<<<<<<"
fi