需要重启一下
##使用 sudo
s睿共享 udo apt-get install dsniff
###更
sudo vim /etc/apt/sources.list
添加这睿共享 两句
deb https://mirrors.aliyun.com/ka睿共享 li kal睿共享 i-rolling main non-free contrib
deb-src https://mirrors.aliyun.com/kali kali-rolling main non-free contrib