摘要： 运行：leafpad /etc/apt/sources.list添加如下内容：#kali官方源deb http://http.kali.org/kali kali-rolling main non-free contrib#中科大kali源deb http://mirrors.ustc.edu.cn 阅读全文

摘要： 今天在更新运行apt-get update的时候出现了如下的错误:W: GPG error: http://extras.ubuntu.com trusty Release: The following signatures couldn't be verified because the publ 阅读全文