ssh-tunnel.service

[Unit]
Description=Reverse SSH tunnel
Wants=systemd-machined.service
After=network-online.target
Wants=network-online.target
StartLimitIntervalSec=6000
StartLimitBurst=100

[Service]
Type=simple
ExecStart=/usr/bin/sudo -u ubuntu ssh -NT -o ExitOnForwardFailure=yes -v fbi
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
RestartSec=60


[Install]
WantedBy=multi-user.target