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Top Introduction nginx Let’s Encrypt Postgresql Synapse/Matrix

Config file
Configuration
Server Start
Last Setup
New User
Change Pwd

Upgrading Problems Client Turorials

Messenger

Introduction: Matrix
Source: mytinydc

Server: shadowmatrix.ydns.eu

User: @[NAME]:shadowmatrix.ydns.eu

install RaspberryPi

sudo su -
apt-get update
apt-get upgrade

nginx (reverse proxy)

Documentation for nginx.
With root permissions install nginx as a reverse proxy:

apt-get install nginx

test: enter IP in Browser: "Welcome to nginx"!
remove nginx default page:

unlink /etc/nginx/sites-enabled/default

create new reverse-proxy configuration:

cd /etc/nginx/sites-available
nano reverse-proxy.conf

content:

server {
       listen 80;
       listen [::]:80;

       server_name shadowmatrix.ydns.eu;

       root /var/www/shadowmatrix.ydns.eu;
       index index.html;

       location / {
               proxy_pass http://localhost:8008;
       }
}
server {
       listen 80;
       listen [::]:80;

       server_name shadowpage.ydns.eu;

       root /;
       index index.html;

       location / {
               proxy_pass http://192.168.6.4;
               proxy_set_header Host $host;
       }
}
server {
       listen 80;
       listen [::]:80;

       server_name jordancosmetics.ydns.eu;

       root /jc/;
       index index.html;

       location / {
               proxy_pass http://192.168.6.4;
               proxy_set_header Host $host;
       }
}
server {
        listen 80 default_server;
        listen [::]:80 default_server;

        root /var/www/html;

        index index.html index.htm index.nginx-debian.html;

        server_name _;

        location / {
                try_files $uri $uri/ =404;
        }
}

activate:

ln -s /etc/nginx/sites-available/reverse-proxy.conf /etc/nginx/sites-enabled/reverse-proxy.conf

test:

nginx -t && nginx -s reload

Depend on the domain length it could not build the server_names_hash, you should increase server_names_hash_bucket_size.
In this case, the directive value should be increased to the next power of two.

nano /etc/nginx/nginx.conf
server_names_hash_bucket_size  64;

done

Let’s Encrypt (SSL)

install certbot:

apt install python3-certbot-nginx
certbot --nginx

enter e-mail address and then select a, y and 2
done

Automatically Renew Certificates

crontab -e
0 12 * * * /usr/bin/certbot renew --quiet

crontab

Postgresql service installation (database)

install postgresql and create user synapse and database synapse:

apt install postgresql
exit
sudo -u postgres bash
createuser synapse
psql
ALTER USER synapse WITH ENCRYPTED password 'synapse';
CREATE DATABASE synapse ENCODING "UTF8" LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER synapse;
\q  
exit
sudo su -
nano -w /etc/postgresql/13/main/postgresql.conf

check if is:

listen_addresses = 'localhost'
password_encryption = scram-sha-256

than restart

systemctl restart postgresql

To allow new user acces edit:

nano /etc/postgresql/13/main/pg_hba.conf

Just after this line:

local all postgres peer

add this lines:

host    synapse         synapse    127.0.0.1/32            scram-sha-256
host    synapse         synapse    ::1/128                 scram-sha-256

Reload the Postgresql configuration:

systemctl reload postgresql

done
Solve connection problems with recalculate password:

exit
sudo -u postgres bash
createuser synapse
psql
ALTER USER synapse WITH ENCRYPTED password 'synapse';
\q
exit
sudo su -

and look at:

cat /var/log/postgresql/postgresql-13-main.log

and:

systemctl status postgresql

Synapse/Matrix service installation

First some prerequisits:

apt update && sudo apt upgrade -y
apt install curl build-essential gcc make -y
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

restart shell

sudo su -
apt -y install build-essential make python3 python3-dev python3-dev python3-virtualenv python3-pip python3-setuptools libffi-dev libpq-dev &&
  python3-cffi zlib1g-dev libxml2-dev libxml2-dev libxslt1-dev libssl-dev libjpeg-dev python3-lxml virtualenv postgresql-server-dev-all
mkdir -p /opt/synapse
virtualenv -p python3 /opt/synapse/env
cd /opt/synapse
source /opt/synapse/env/bin/activate
pip3 install --upgrade pip
pip3 install --upgrade setuptools
pip3 install six==1.13.0
#pip3 install cryptography==3.4.7
pip3 install cryptography==3.3

sudo apt-get install libssl-dev

and now install synapse:

pip3 install matrix-synapse[all]

done

Config file

Create the config file:

python3 -m synapse.app.homeserver --server-name matrix.my-wan.de --config-path homeserver.yaml --generate-config --report-stats=no
deactivate

done

Configuration

nano /opt/synapse/homeserver.yaml

Check listeners:

bind_addresses: ['0.0.0.0']

Comment the sqlite3 part:

#database:
#  name: sqlite3
#  args:
#    database: /path/to/homeserver.db

Uncomment the psycopg2 part:

database:
  name: psycopg2
  args:
    user: synapse
    password: synapse
    database: synapse
    host: localhost
    port: 5432
    cp_min: 5
    cp_max: 10

save and config systemd:

addgroup synapse
adduser --system --home /opt/synapse/ --no-create-home --disabled-password --shell /bin/nologin --ingroup synapse synapse

done
Create system file:

nano /etc/systemd/system/matrix-synapse.service

With this content:

[Unit]  
Description=Matrix Synapse service  
After=network.target

[Service]  
Type=forking  
WorkingDirectory=/opt/synapse/  
ExecStart=/opt/synapse/env/bin/synctl start  
ExecStop=/opt/synapse/env/bin/synctl stop  
ExecReload=/opt/synapse/env/bin/synctl restart  
User=synapse  
Group=synapse  
Restart=always  
StandardOutput=syslog  
StandardError=syslog  
SyslogIdentifier=synapse

[Install]  
WantedBy=multi-user.target

Service activation at server startup

systemctl enable matrix-synapse

done
Media storage directory and permissions:

mkdir /opt/synapse/media_store /opt/synapse/uploads
chmod 770 /opt/synapse/media_store /opt/synapse/uploads
chmod 755 /opt/synapse
chown synapse:synapse /opt/synapse /opt/synapse/media_store /opt/synapse/uploads

done

Starting the service

Enable continuous log reading:

tail -f /var/log/syslog &

Starting the Matrix service:

systemctl start matrix-synapse

get started synapse.app.homeserver('homeserver.yaml')
end log reading:

fg

CRTL+C
done

Last Setup

Domain name resolution

nano /etc/hosts

add:

192.168.6.6 matrix.my-wan.de
192.168.6.4 shadow.my-wan.de

sudo service matrix-synapse stop
sudo service matrix-synapse start

First account creation

/opt/synapse/env/bin/register_new_matrix_user -c /opt/synapse/homeserver.yaml http://matrix.my-wan.de:8008

enter name, password and yes to make admin.
done

New User

register_new_matrix_user --config path/to/homeserver.yaml

Change password

cd /opt/synapse
source /opt/synapse/env/bin/activate
hash_password -p "mypw" -c "homeserver.yaml"

hash_password.1.en.html
Remember hash password

deactivate
sudo -u postgres bash
psql -U postgres -W
\c synapse
SELECT * FROM users;
update users set password_hash = 'EXAMPLE_HASH' where name = '@user:example.com';

Upgrading an existing Synapse

Upgrading Synapse

Questions/Problems

app.element.io settings add E-Mail
Adding an email to your account is disabled on this server (Status 400)

Solution1?
```
default_identity_server: https://matrix.org
trusted_third_party_id_servers:
   - matrix.org
   - vector.im
enable_3pid_lookup: true
allowed_local_3pids:
    - medium: email
      pattern: '.*'
   - medium: msisdn
     pattern: '\+49
```
Solution2?
It is desirable for Synapse to have the capability to send email. This allows Synapse to send password reset emails, send verifications when an email address is added to a user's account, and send email notifications to users when they receive new messages.
To configure an SMTP server for Synapse, modify the configuration section headed email, and be sure to have at least the smtp_host, smtp_port and notif_from fields filled out. You may also need to set smtp_user, smtp_pass, and require_transport_security.
If email is not configured, password reset, registration and notifications via email will be disabled.
postfix
bridge to WhatsApp, Signal, etc?
Add to Federation
The Matrix Federation Tester
Tel/Voice/Video
Source: TURN Server
github: install coturn and configuration
install TURN
external HD for media

Client

web: Element
Element Contact Sales
element-web hosting: github
Desktop: element.io Get started.
Create a self hosted Riot front end for Matrix
knthost.com
openhow2.de

shadowpage.ydns.eu

Messenger

nginx (reverse proxy)

Let’s Encrypt (SSL)

Automatically Renew Certificates

Postgresql service installation (database)

Synapse/Matrix service installation

Config file

Configuration

Starting the service

Last Setup

New User

Change password

Upgrading an existing Synapse

Questions/Problems

Solution1?

Solution2?

Client

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