# /etc/systemd/system/baidu_proxy.service
[Unit]
Description=use ssh for remote port redirection.
After=syslog.target  network.target
Wants=network.target baidu_proxy.service
 
[Service]
Type=simple
WorkingDirectory=/usr/local/baiduproxy
ExecStart=/usr/bin/autossh -M 0 -NR 0.0.0.0:7999:localhost:7999 -i id_rsa root@220.182.51.94
 
[Install]
WantedBy=multi-user.target