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Ubtunu系统的ssh服务 ​

检查并安装 OpenSSH 服务器

bash
dpkg -l | grep openssh-server

使用以下命令安装

bash
sudo apt update
sudo apt install openssh-server

启动SSH服务

bash
sudo systemctl start ssh

检查运行状况

bash
sudo systemctl status ssh

出现如下提示即可证明运行成功：

● ssh.service - OpenBSD Secure Shell server
     Loaded: loaded (/usr/lib/systemd/system/ssh.service; enabled; preset: enabled)
     Active: active (running) since Fri 2025-09-26 19:52:11 CST; 38min ago
TriggeredBy: ● ssh.socket
       Docs: man:sshd(8)
             man:sshd_config(5)
   Main PID: 1478 (sshd)
      Tasks: 1 (limit: 38077)
     Memory: 4.1M (peak: 5.7M)
        CPU: 118ms
     CGroup: /system.slice/ssh.service
             └─1478 "sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups"

设置开机自启动

bash
sudo systemctl enable ssh

重启SSH服务

bash
sudo systemctl restart ssh