Fix the Meltdown on platform Debian about general HOT 3 CLOSED

wget https://github.com/nanqinlang-tcp/tcp_nanqinlang/releases/download/20180105-aptupgrade/20180105-aptupgrade-to-fixmeltdown.sh
bash 20180105-aptupgrade-to-fixmeltdown.sh

#!/bin/bash
Green_font="\033[32m" && Red_font="\033[31m" && Font_suffix="\033[0m"
Info="${Green_font}[Info]${Font_suffix}"
Error="${Red_font}[Error]${Font_suffix}"

check_system(){
	[[ -z "`cat /etc/issue | grep -iE "debian"`" ]] && echo -e "${Error} only support Debian !" && exit 1
}

check_root(){
	[[ "`id -u`" != "0" ]] && echo -e "${Error} must be root user !" && exit 1
}

check_kvm(){
	apt-get install -y virt-what
	[[ "`virt-what`" != "kvm" ]] && echo -e "${Error} only support KVM !" && exit 1
}

apt-source-get(){
	cd /etc/apt
	mv sources.list  sources.list.bak
	wget -O sources.list https://raw.githubusercontent.com/nanqinlang/sources.list/master/us.sources_stretch.list
}

upgrade(){
	apt-get update
	apt-get dist-upgrade -y
}

apt-source-restore(){
	mv -f /etc/apt/sources.list.bak  /etc/apt/sources.list
}

restart(){
	echo -e "${Info} please ensure the above progress has not mistake, then reboot your device ."
	echo -e "${Info} so are you sure you want a reboot ?"
	echo -e "1.yes\n2.no"
	read -p "(please choose):" sure
	[[ "${sure}" = "1" ]] && reboot
}



echo -e "${Info} now will start Debian Meltdown fixing process via apt-upgrade :"
check_system
check_root
apt-get update
check_kvm
apt-source-get
upgrade
apt-source-restore
restart