首先换更新源 ：vim /etc/apt/sources.list
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
#阿里云kali更新源
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
#163 DEBIAN源
deb http://mirrors.163.com/debian wheezy main non-free contrib
deb-src http://mirrors.163.com/debian wheezy main non-free contrib
deb http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib
deb-src http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib
deb-src http://mirrors.163.com/debian-security wheezy/updates main non-free contrib
apt-get update
apt-get install metasploit-framework
会报以下错误
Unable to find a spec satisfying metasploit-framework (＞= 0) in the set. Perhaps the
原因：
Metasploit requires the Bundler gem to be installed
解决办法：
命令行输入： sudo gem install bundler
然后输入：bundle install
然后输入：sudo gem update --system