config server side

login into vps

ssh root@155.254.193.168

cat frps.ini 
[common]
bind_port = 7000
token = areyouok

dashboard_port = 7500
dashboard_user = maksim
dashboard_pwd = zxc123123

config auto start in deamon mod

ubuntu or centos both support the configruation like this

cat /etc/systemd/system/frps.service
[Unit]
Description=frps daemon
After=syslog.target network.target
Wants=network.target

[Service]
Type=simple
ExecStart=/root/frp/frps -c /root/frp/frps.ini
Restart= always
RestartSec=1min

[Install]
WantedBy=multi-user.target

config client side

[common]
server_addr = some_ip
server_port = 7000
token = some_secret_string

[ssh]
type = tcp
local_ip = 127.0.0.1 
local_port = 22
remote_port = 6000

cat /etc/systemd/system/frpc.service
[Unit]
Description=frpc daemon
After=syslog.target network.target
Wants=network.target

[Service]
Type=simple
ExecStart=/home/maxbee/frp/frpc -c /home/maxbee/frp/frpc.ini
Restart= always
RestartSec=1min
ExecStop=/usr/bin/killall frpc

[Install]
WantedBy=multi-user.target