File sshd@.service of Package openssh

[Unit]
Description=OpenSSH Per-Connection Server Daemon
Documentation=man:systemd-ssh-generator(8) man:sshd(8)
After=network.target

[Service]
EnvironmentFile=-/etc/sysconfig/ssh
ExecStartPre=/usr/sbin/sshd-gen-keys-start
ExecStartPre=/usr/sbin/sshd -t $SSHD_OPTS
ExecStart=-/usr/sbin/sshd -i $SSHD_OPTS -o "AuthorizedKeysFile ${CREDENTIALS_DIRECTORY}/ssh.ephemeral-authorized_keys-all .ssh/authorized_keys"
StandardInput=socket
ImportCredential=ssh.ephemeral-authorized_keys-all