解决MSF更新证书错误

如下图所示提示签名无效下载失败，导致更新不了msf

 

解决办法如下：

echo 'deb http://apt.metasploit.com/ lucid main' > /etc/apt/sources.list.d/metasploit-framework.list

wget -O - http://apt.metasploit.com/metasploit-framework.gpg.key | apt-key add -

apt-get update

msfupdate