1、修改sources.list源文件：
leafpad /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：
3、开始更新软件：
4、更新系统：
5、清理安装包：
1 apt-get clean
2 apt-get autoclean
3 apt-get autoremove
转载于：https://www.cnblogs.com/askta0/p/9243113.html(侵删)
