Heater

Network

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IP:	192.168.88.12
MAC:	DA:62:17:83:4E:8F
Domain:	heater.flowerhouse.at

System

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OS:	Debian Buster
RAM:	512MB
Cores:	1
Privileged:	No

The Heater-LXC is reachable under 192.168.88.12 which is located in the ServerVLAN.

The subdomain is heater.flowerhouse.at which is handled by the ReverseProxy.

The Serial-IP-Konverter is reachable under 192.168.88.18 which is located in the ServerVLAN.

Basic Setup

Change locales to de_DE.UTF-8:

dpkg-reconfigure locales

libwebsockets

Install required packages:

apt install pkg-config cmake

Clone libwebsockets repo:

cd /usr/src
git clone https://libwebsockets.org/repo/libwebsockets

Create build directory:

cd libwebsockets
mkdir build

Run make to build libwebsockets:

cmake ..
make
make install

Create the necessary links and cache:

ldconfig

Delete unnecessary files:

cd /usr/src
rm -r libwebsockets

p4d daemon

Install required packages:

apt install build-essential libssl-dev libjansson-dev libxml2-dev libcurl4-openssl-dev libssl-dev libmariadbclient-dev libmariadb-dev-compat uuid-dev

Get p4d repo and build it:

cd /usr/src/
git clone https://github.com/horchi/linux-p4d/
cd linux-p4d
make clean all
make install

Create link for stylesheet:

ln -s /var/lib/p4/stylesheet-dark.css /var/lib/p4/stylesheet.css

Create database at DataBase and add credentials to p4d.conf:

nano /etc/p4d/p4d.conf

Start p4d:

systemctl start p4d

Serial-IP-Converter

Access the Serial-IP-Converter-UI under 192.168.88.18 with user: admin and pw: admin and set the UART-settings:

Connect to Serial-IP-Converter with:

socat pty,link=/dev/HeaterCOM,raw tcp:192.168.88.18:8899&

For it to connect at boot we have create an service:

nano /etc/systemd/system/socat.service

Add to file:

[Unit]
Description=SOCAT Listen Service
After=network.target redis.service
Wants=redis.service

[Service]
Type=simple
User=root
ExecStart=/bin/bash -c '/usr/bin/socat pty,link=/dev/HeaterCOM,raw tcp:192.168.88.18$
Restart=on-failure

[Install]
WantedBy=multi-user.target

Start and check if service is running:

systemctl start socat
systemctl status socat

Enable service to start at boot:

systemctl enable socat

Sources

• p4d
• SoCat
• SoCat-Service