已通过 ssh 通过端口 22 连接到服务器,并决定使用以下命令杀死与 root 用户连接的所有用户:
pkill -9 -u root
Run Code Online (Sandbox Code Playgroud)
现在,当我尝试通过 root@190.169.94.56 登录时,我收到消息:
ssh: connect to host 190.169.94.56 port 22: Connection refused
Run Code Online (Sandbox Code Playgroud)
我确保 SSH 确实在端口 22 上运行。在服务器机器上,我运行:
netstat -untap | grep 190.169.94.56
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 190.169.94.9:41267 190.169.94.56:22 ESTABLISHED 29673/ssh
Run Code Online (Sandbox Code Playgroud)
我 ping 服务器 190.169.94.56 并正确响应:
ping 190.169.94.56
PING 190.169.94.56 (190.169.94.56) 56(84) bytes of data.
64 bytes from …Run Code Online (Sandbox Code Playgroud)