[Unit]
Description=MENTOHUST
Requires=network.target
After=network.target
[Service]
ExecStart=/usr/bin/mentohust -b0
ExecStop=/usr/bin/mentohust -k
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target

放在/usr/lib/systemd/system/ 里面