kali linux升级

修改更新源

root@kali:~# cat /etc/apt/sources.listdeb 

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

升级到最新系统  ，命令行输入：apt update && apt full-upgrade