CentOS7:Could not connect to 'X.X.X.X' (port 22): Connection failed.

1)确保已连接网络


输入ifconfig查看ens33的inet跟Shell的主机号是否对应
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet (略) netmask 255.255.255.0  broadcast 192.168.80.25

2)如要开放 22 端口,输入以下命令即可 (本人的主要原因是没开放22端口)
[root@localhost kwinz]# /etc/init.d/sshd start
Starting sshd (via systemctl):                             [  确定  ]

3)重新客户机
reboot

4重连XShell


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转载自blog.csdn.net/Butterfly_resting/article/details/80747276