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编辑:leafpad /etc/apt/sources.list
删除所有内容添加以下:
然后选择适合自己较快的源：
deb 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
deb-src http://mirrors.ustc.edu.cn/kali-security/ sana/updates main contrib non-free
deb http://mirrors.aliyun.com/kali sana main non-free contrib
deb http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free
deb-src http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free
对软件进行一次整体更新：
apt-get update & apt-get upgrade
apt-get dist-upgrade
apt-get clean
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原文地址：http://www.cnblogs.com/cbreeze/p/5927816.html
