kali第一步：更新源

kali linux的更新源非常重要，一定要选好

首先打开源列表文件：

leafpad /etc/apt/sources.list

然后复制粘贴下面的源:

#kali官方源  
deb http://http.kali.org/kali kali-rolling main non-free contrib
#中科大的源 
deb 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
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main contrib non-free
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
#阿里云源
deb http://mirrors.aliyun.com/kali sana main non-free contrib
deb http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free
deb-src http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free

网上还有其他可以使用的源，可自行搜索

最后更新并安装:

apt-get update && apt-get dist-upgrade