ChatMatrix

Network

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IP:	192.168.88.19
MAC:	BE:B1:89:38:28:44
Domain:	chat.flowerhouse.at

System

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OS:	Debian Bullseye
RAM:	4096MB
Cores:	2
Privileged:	No

The ChatMatrix-LXC is reachable under 192.168.88.19 which is located in the ServerVLAN.

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

Basic Setup

Installation

Install required packages

apt install -y lsb-release wget apt-transport-https

Add repository

wget -O /usr/share/keyrings/matrix-org-archive-keyring.gpg https://packages.matrix.org/debian/matrix-org-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/matrix-org-archive-keyring.gpg] https://packages.matrix.org/debian/ $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/matrix-org.list
apt update

Install matrix-synapse

apt install matrix-synapse-py3

Check status

systemctl status matrix-synapse

Configuration

Create random key and save it

cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

Edit matrix-synapse configuration file

nano /etc/matrix-synapse/homeserver.yaml

Add following lines

suppress_key_server_warning: true
registration_shared_secret: <SECRET-KEY>

Comment following line to make it accessible from outside localhost

# bind_addresses: ...

Restart matrix-synapse

systemctl restart matrix-synapse

Setting up reverse proxy

Check federation configuration

https://federationtester.matrix.org/

Add User

register_new_matrix_user -c /etc/matrix-synapse/homeserver.yaml http://localhost:8008