``` vim /etc/apt/sources.list ``` #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-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib ``` apt-get update #更新软件源中的所有软件列表。 apt-get upgrade #更新软件 apt-get dist-upgrade #更新系统版本 apt-get clean ```