KALI Linux更新源

deb http://mirrors.aliyun.com/kali kali-rolling main non-free contrib 
deb-src http://mirrors.aliyun.com/kali kali-rolling main non-free contrib 

#清华大学 
deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free 
deb-src https://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free 

#浙江大学 
deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free 

deb-src http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free 

注：由于kali官方源较慢非常卡，所以可以换成国内更新源，并且国内更新源也不宜添加过多！

apt-get clean && apt-get update && apt-get upgrade -y && apt-get dist-upgrade -y 

命令讲解： 
apt-get clean    //清除缓存索引 
apt-get update    //更新索引文件 
apt-get upgrade    //更新实际的软件包文件 
apt-get dist-upgrade    //根据依赖关系更新