目录
一.首先更新源
vi /etc/apt/sources.list
可以删除该文件中的所有内容，也可以直接在文前添加新的APT源。
官网kali源
deb http://http.kali.org/kali kali-rolling main contrib non-free
中科大kali源
deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb http://mirrors.ustc.edu.cn/kali-security kali-current/updates main contrib non-free
deb-src http://mirrors.ustc.edu.cn/kali-security kali-current/updates main contrib non-free
阿里云kali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
deb http://mirrors.aliyun.com/kali-security kali-rolling/updates main contrib non-free
deb-src http://mirrors.aliyun.com/kali-security kali-rolling/updates main contrib non-free
二、更新
apt-get update & apt-get upgrade
apt-get dist-upgrade
apt-get clean
三、下载签名与安装签名
wget archive.kali.org/archive-key.asc //下载签名
apt-key add archive-key.asc //安装签名