修改更新源sources.list，提高软件下载安装速度（提供Kali 2.0 更新源）
1.切换到root用户（如果已经是root用户就直接看第二步）
dnt@HackerKali:~$ su 密码：
2.用文本编辑器打开sources.list,手动添加下面的更新源
root@HackerKali:/home/dnt# leafpad /etc/apt/sources.list
3.添加完毕后执行下面的更新指令，进行系统或者工具的更新
root@HackerKali:/home/dnt# apt-get update && apt-get upgrade && apt-get dist-upgrade
---------------------------------Kali 2.0 ---更新源-----------------------------------
#科大的云
deb http://mirrors.ustc.edu.cn/kali sana main non-free contrib
deb-src http://mirrors.ustc.edu.cn/kali sana main non-free contrib
deb http://mirrors.ustc.edu.cn/kali-security sana/updates main contrib non-free
#阿里云
deb http://mirrors.aliyun.com/kali sana main non-free contrib
deb-src http://mirrors.aliyun.com/kali sana main non-free contrib
deb http://mirrors.aliyun.com/kali-security sana/updates main contrib non-free
----------------------------------Kali 1.0--更新源-------------------------------------
#官方源 deb http://http.kali.org/kali kali main non-free contrib deb-src http://http.kali.org/kali kali main non-free contrib deb http://security.kali.org/kali-security kali/updates main contrib non-free #中科大kali源 deb http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb-src http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb http://mirrors.ustc.edu.cn/kali-security kali/updates main contrib non-free #新加坡kali源 deb http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb-src http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb http://security.kali.org/kali-security kali/updates main contrib non-free deb http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free deb-src http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free #阿里云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 deb http://mirrors.aliyun.com/kali-security kali/updates main contrib non-free #163 Kali源 deb http://mirrors.163.com/debian wheezy main non-free contrib deb-src http://mirrors.163.com/debian wheezy main non-free contrib deb http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian-security wheezy/updates main non-free contrib deb http://mirrors.163.com/debian-security wheezy/updates main non-free contrib #上海交大 Kali源 (比较慢，直接忽略) #deb http://ftp.sjtu.edu.cn/debian wheezy main non-free contrib #deb-src http://ftp.sjtu.edu.cn/debian wheezy main non-free contrib #deb http://ftp.sjtu.edu.cn/debian wheezy-proposed-updates main non-free contrib #deb-src http://ftp.sjtu.edu.cn/debian wheezy-proposed-updates main non-free contrib #deb http://ftp.sjtu.edu.cn/debian-security wheezy/updates main non-free contrib #deb-src http://ftp.sjtu.edu.cn/debian-security wheezy/updates main non-free contrib
-------------------------------------这个是我的sources.list(64位kali)----------------------------------------
# # deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150312-17:50]/ kali contrib main non-free #deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150312-17:50]/ kali contrib main non-free deb http://http.kali.org/kali moto main non-free contrib deb-src http://http.kali.org/kali moto main non-free contrib deb http://security.kali.org/ moto/updates main contrib non-free deb-src http://security.kali.org/ moto/updates main contrib non-free #中科大kali源 deb http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb-src http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb http://mirrors.ustc.edu.cn/kali-security kali/updates main contrib non-free #新加坡kali源 deb http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb-src http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb http://security.kali.org/kali-security kali/updates main contrib non-free deb http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free deb-src http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free #阿里云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 deb http://mirrors.aliyun.com/kali-security kali/updates main contrib non-free #163 Kali源 deb http://mirrors.163.com/debian wheezy main non-free contrib deb-src http://mirrors.163.com/debian wheezy main non-free contrib deb http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian-security wheezy/updates main non-free contrib deb http://mirrors.163.com/debian-security wheezy/updates main non-free contrib
如果出现下面这种情况，说明权限不够，请切换到root权限
