# Smart Diaper Gateway OS

### OS install to SD CARD ###

Raspberry Pi Manager

Raspberry Pi OS (other) -> Raspberry Pi OS Lite

option
-> SSH enable
-> wifi country KR
-> locale Asia/Seoul

### get gw install script from git server ##

```
curl -k -O https://onioi.com:8443/raw/MEDILOGIS/gwinstall.git/master/gwinstall.sh

```

### install SSH tunnel service on RPi4 ###

```
#!/bin/bash

export FWD_PORT=10000
if [ ! $1 ]; then
    echo -e "USAGE:\nex) gwinstall.sh 10000"
    exit 1
else
    FWD_PORT=$1
fi

sudo ssh-keygen
sudo ssh-copy-id -p 12222 root@onio.iptime.org

echo "
[Unit]
Description=SSH Tunnel with target server
After=network.target

[Service]
ExecStart=/usr/bin/ssh -NT -o ServerAliveInterval=60 -o ExitOnForwardFailure=yes -R 127.0.0.1:$FWD_PORT:localhost:22 -p 12222 root@onio.iptime.org
RestartSec=5
Restart=always

[Install]
WantedBy=multi-user.target
" |  sudo tee /etc/systemd/system/tunnel.service  > /dev/null

sudo systemctl daemon-reload
sudo systemctl start tunnel
sudo systemctl enable tunnel
sudo systemctl status tunnel

```

### Change sshd_config ###

```
sudo vi /etc/ssh/sshd_config

```

```
AllowTcpForwarding yes
GatewayPorts yes
```

```
sudo service ssh restart
```

### Check server side RPi4 SSH tunnel port ###

```
netstat -tulpn

```


### Connect to RPi4 via SSH tunnel ###

```

ssh -J root@onio.iptime.org:12222 -p 10000 medi@localhost

```


### install packages ###

```
sudo apt-get update
sudo apt install -y git nodejs npm bluetooth bluez libbluetooth-dev libudev-dev bluez-hcidump
sudo setcap cap_net_raw+eip $(eval readlink -f `which node`)

```

### RPi 4 USB WiFi tplink archer t2 plus ###

```
sudo apt install -y git dkms raspberrypi-kernel-headers build-essential bc

git clone https://github.com/aircrack-ng/rtl8812au.git
cd rtl8812au
sed -i 's/CONFIG_PLATFORM_I386_PC = y/CONFIG_PLATFORM_I386_PC = n/g' Makefile
sed -i 's/CONFIG_PLATFORM_ARM_RPI = n/CONFIG_PLATFORM_ARM_RPI = y/g' Makefile

sudo make dkms_install

```

### RPi4 internal WiFi disable & USB WiFi enable wlan0 ###

/boot/config.txt

append 

```
dtoverlay=disable-wifi
```

and reboot 


### RPi 4 Korean font install ###

```
sudo apt install -y fonts-unfonts-core
```


### RPi 4 measure temp ###

```
vcgencmd measure_temp
```

### RPi 4 SD Card wifi setting ###

Put the wpa_supplicant.conf file with the following contents in /boot folder of the sd card.
When the setting is completed, the x file will be deleted from the /boot folder of the sd card.

```
country=KR # Your 2-digit country code
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev

network={
    ssid="wifi ssid"
    psk="widi passwd"
}

```


### WireGuard ###

```
sudo apt install wireguard
sudo vi /etc/wireguard/wg0.conf
sudo vi /etc/network/interfaces.d/wg0
sudo ifup wg0
ip route get 10.8.0.1
ping -c 3 10.8.0.1
sudo wg show wg0
```


### TODO ###
 


### ref ###

USB WiFi tplink archer t2 plus ( https://github.com/nlkguy/archer-t2u-plus-linux )