Kali-linux安装更新

1.更新软件源：
修改sources.list文件：
leafpad /etc/apt/sources.list
然后选择添加以下适合自己较快的源（可自由选择，不一定要全部）： 

#官方源deb http://http.kali.org/kali kali main non-free contribdeb-src http://http.kali.org/kali kali main non-free contribdeb http://security.kali.org/kali-security kali/updates main contrib non-free#激进源，新手不推荐使用这个软件源deb http://repo.kali.org/kali kali-bleeding-edge maindeb-src http://repo.kali.org/kali kali-bleeding-edge main#中科大kali源deb http://mirrors.ustc.edu.cn/kali kali main non-free contribdeb-src http://mirrors.ustc.edu.cn/kali kali main non-free contribdeb http://mirrors.ustc.edu.cn/kali-security kali/updates main contrib non-free#阿里云kali源deb http://mirrors.aliyun.com/kali kali main non-free contribdeb-src http://mirrors.aliyun.com/kali kali main non-free contribdeb http://mirrors.aliyun.com/kali-security kali/updates main contrib non-free

保存之后运行：
apt-get update      #刷新系统
apt-get dist-upgrade         #安装更新