1.国内换源

sudo vim /etc/apt/sources.list#阿里云
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
#中科大
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
#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

2.添加签名

wget archive.kali.org/archive-key.asc
sudo apt-key add archive-key.asc

3.更新软件包信息

sudo apt update

4.安装具体需要的软件：比如 python3-pip

sudo apt install python3-pip