frp/doc/systemd_service.md

Install systemd unit

install binary

sudo install ./frps /usr/local/bin

Create systemd unit

sudo vi /lib/systemd/syste.frps.service

add inside

[Unit]
Description=FRP Server Service
After=network.target 

[Service]
Type=simple
ExecStart=/usr/local/bin/frps -c /usr/local/etc/frp/frps.toml
Restart=on-failure
RestartSec=15s

[Install]
WantedBy=multi-user.target

Enable service

sudo systemctl daemon-reload
sudo systemctl enable frps.service
sudo systemctl start frps.service
sudo systemctl status frps.service