刚创建的amd机器。 使用了一下开机代码, 然后开机的时候选择无密钥, 无论是乌班图22或者24,默认用户名还是root,都提示, disconnected no supported authentication methods available (server sent publickey) #!/bin/bash echo root:123123 |sudo chpasswd root sudo sed -i ‘s/^#\?PermitRootLogin.*/PermitRootLogin yes/g’ /etc/ssh/sshd_config; sudo sed -i ‘s/^#\?PasswordAuthentication.*/PasswordAuthentication yes/g’ /etc/ssh/sshd_config; sudo iptables -P INPUT ACCEPT sudo iptables -P FORWARD ACCEPT sudo iptables -P OUTPUT ACCEPT sudo iptables -F sudo service sshd restart复制代码