Kali安装完成后，默认是国外官方的更新源，更新速度4kb/s太酸爽了。。。
命令行:leafpad /etc/apt/sources.list
删除里面的所有内容添加以下:>>
#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 deb http://mirrors.ustc.edu.cn/kali kali-rolling main contrib non-free #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 #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 #浙大 #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 #东软大学 #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 #官方源 #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 #重庆大学 #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
整体更新：
apt-get update & apt-get upgrade apt-get dist-upgrade apt-get clean
软件测试更新：
（1）使用以下命令获取当前NMAP版本。 nmap --version （2）更新NMAP软件。 apt-get install nmap （3）再次获取当前NMAP版本号。 nmap --version
原文：https://www.cnblogs.com/JetpropelledSnake/p/9127011.html