首先就是修改軟件源文件
/etc/apt/sources.list
可以用leafpad打開，在終端中鍵入：
leafpad /etc/apt/sources.list
原碼是kali官方的軟件源，更換國內軟件源的話，在速度上可能會快一些。下面我放上一些主流國內的源。
用法：直接復制到source.list 里面，記得把官方源前面加#，用那個源，就把它前面的#去掉。
#阿里雲 Kali源
deb http://mirrors.aliyun.com/kali kali main non-free contrib
deb-src http://mirrors.aliyun.com/kali kali main non-free contrib
eb http://mirrors.aliyun.com/kali-security kali/updates 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
#浙江大學 Kali源
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
#東軟大學 Kali源
deb http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
deb-src http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
#重慶大學 Kali源
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
#官方Kali源
#deb http://http.kali.org/kali kali-rolling main non-free contrib
#deb-src http://http.kali.org/kali kali-rolling main non-free contrib
#清華大學kali源
deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free