Debian linux enable ssh service permanantly

 root@VM:~# systemctl status ssh

● ssh.service - OpenBSD Secure Shell server

   Loaded: loaded (/lib/systemd/system/ssh.service; disabled; vendor preset: enabled)

   Active: active (running) since Wed 2021-10-13 23:41:35 UTC; 10min ago

     Docs: man:sshd(8)

           man:sshd_config(5)

  Process: 4671 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)

 Main PID: 4672 (sshd)

    Tasks: 5 (limit: 4915)

   Memory: 45.6M

   CGroup: /system.slice/ssh.service

           ├─4672 /usr/sbin/sshd -D

           ├─4682 sshd: root@pts/0

           ├─4697 -bash

           ├─7082 systemctl status ssh

           └─7083 pager

Oct 13 23:41:35 SCV031290C74 systemd[1]: Starting OpenBSD Secure Shell server...

Oct 13 23:41:35 SCV031290C74 sshd[4672]: Server listening on 0.0.0.0 port 22.

Oct 13 23:41:35 SCV031290C74 sshd[4672]: Server listening on :: port 22.

Oct 13 23:41:35 SCV031290C74 systemd[1]: Started OpenBSD Secure Shell server.

Oct 13 23:41:48 SCV031290C74 sshd[4682]: Accepted keyboard-interactive/pam for root from 10.74.13.56 port 56080 ssh2

Oct 13 23:41:48 SCV031290C74 sshd[4682]: pam_unix(sshd:session): session opened for user root by (uid=0)

root@VM1:~# systemctl enable ssh