[Unit]
  Description=OpenSSH server daemon
  After=syslog.target network.target auditd.service
  
  [Service]
  ExecStartPre=/usr/bin/ssh-keygen -A
  ExecStart=/usr/sbin/sshd -D -e
  ExecReload=/bin/kill -HUP $MAINPID
  
  [Install]
  WantedBy=multi-user.target