1、修改sources.list源文件：
vim /etc/apt/sources.list
#aliyun 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 # ustc 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-security kali-current/updates main contrib non-free #deb-src http://mirrors.ustc.edu.cn/kali-security kali-current/updates main contrib non-free # kali 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 # 默认的，可以注释掉不用管 #deb http://security.kali.org/kali-security kali-rolling/updates main contrib non-free #deb-src http://security.kali.org/kali-security kali-rolling/updates main contrib non-free
2、更新一下源：
apt-get update
3、开始更新软件：
apt-get upgrade
4、更新系统：
apt-get dist-upgrade
5、清理安装包：
apt-get clean apt-get autoclean
转载自： 北纬星辰-