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sudo apt update

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sudo apt install openssh-server

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sudo vim /etc/ssh/ssh_config

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# 重新启动ssh服务
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deng@local:~/桌面$ sudo systemctl restart ssh
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# 启动ssh服务
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deng@local:~/桌面$ sudo systemctl start ssh
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# 查看ssh服务状态
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deng@local:~/桌面$ sudo systemctl status ssh
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# 允许开机启动ssh服务
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sudo systemctl enable ssh

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sudo ufw status
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sudo ufw enable
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# 确保防火墙允许服务端口
4
sudo ufw allow ssh
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sudo ufw status