The host ‘xxx.xxx.xxx.xxx’ is unreachable.the host may be down,or there may be a problem with the network connection.Sometimes such problems can also be caused by a misconfigured firewall。
原因:
ubuntu缺省安装了openssh-client
解决方法
乌班图命令框安装ssh的服务器端
sudo apt install openssh-server
再开启SSH连接就OK了
SSH命令,在命令框下输入
查看状态:
systemctl status sshd.service
启动服务:
systemctl start sshd.service
重启服务:
systemctl restart sshd.service
开机自启:
systemctl enable sshd.service
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