进入源文件进行修改
leafpad /etc/apt/sources.list
（三选一即可）
#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
apt-get update
ape-get upgrade
apt-get dist-upgrade
apt-get clean
原文：http://www.cnblogs.com/DogOfIT/p/7473032.html