SSHで接続できるようにするため、OpenSSH Serverをインストールします。
OpenSSH Serverのインストール
$ sudo apt install openssh-server $ sudo systemctl status ssh ● ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2021-09-12 10:55:05 JST; 9min ago Docs: man:sshd(8) man:sshd_config(5) Main PID: 6184 (sshd) Tasks: 1 (limit: 2297) Memory: 2.6M CGroup: /system.slice/ssh.service └─6184 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups Sep 12 10:55:05 ubuntu systemd[1]: Starting OpenBSD Secure Shell server... Sep 12 10:55:05 ubuntu sshd[6184]: Server listening on 0.0.0.0 port 22. Sep 12 10:55:05 ubuntu sshd[6184]: Server listening on :: port 22. Sep 12 10:55:05 ubuntu systemd[1]: Started OpenBSD Secure Shell server. $ sudo ufw status Status: inactive