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        __  ____  ______ __________   ____  _________ _
ASCII  / / / / / / / __ `/ ___/ __ \ / __ \/ ___/ __ `/
DRAW _/ /_/ / /_/ / /_/ / /  / / / // /_/ / /  / /_/ /
PAD (_)__,_/\__,_/\__, /_/  /_/ /_(_)____/_/   \__, /
         ADMIN:  /____/ sh+admin[at]uugrn.org /____/

 OS: Debian  Version: 10 (Buster)  Architecture: amd64
 CPU: 1x Intel Xeon Processor (Skylake, IBRS)
 SPEED: 2294Mhz  Memory: 1983MB

Welcome to {ascii,draw,pad}.uugrn.org

ETHERDRAW SERVER

Etherdraw - wie Etherpad, nur zeichnen...

• Host: draw.uugrn.org

ADMIN: sdk (sh+uugrn@uugrn.org)

INSTALL LOG

OS: Debian Buster (10)

Installierte Software

• etherdraw
• nginx (als reverse proxy)
• posgresql

Etherdraw läuft unter dem User "etherpad". Das Home directory des users ist /data/etherpad-lite.

(ja, das stimmt wirklich so - ich habe den Etherpad-Benutzer wiederverwendet)

User anlegen

Schon erledigt (siehe pad.uugrn.org)

Datenbank anlegen

War schon installiert (siehe pad.uugrn.org)

$ sudo -su postgresql
$ psql
CREATE DATABASE etherdraw OWNER etherpad;
^D

Etherdraw installieren

$ cd /data
$ git clone https://github.com/JohnMcLear/draw.git
$ chown -R etherpad:etherpad draw

In der Datei settings.json die Datenbankverbindung hinterlegen:

   "dbType" : "postgres",
   "dbSettings" : {
       "user"    : "etherdraw",
       "host"    : "/var/run/postgresql",
       "password": "*******",
       "database": "etherpad",
       "charset" : "utf8mb4"
   },

SystemD Service installieren

$ cat /etc/systemd/system/etherdraw.service
[Unit]
Description=etherdraw (real-time collaborative drawing)
After=syslog.target network.target

[Service]
Type=simple
User=etherpad
Group=etherpad
Environment=NODE_ENV=production
ExecStart=/bin/sh /data/draw/bin/run.sh

[Install]
WantedBy=multi-user.target

$ systemctl enable etherdraw
$ service etherdraw start

NGINX Reverse Proxy installieren

War schon installiert (siehe pad.uugrn.org)

$ cat /etc/nginx/sites-enabled/etherdraw
server {

        listen       443 ssl;
        server_name  draw.uugrn.org;

        access_log  /var/log/nginx/draw.uugrn.org.access.log;
        error_log   /var/log/nginx/draw.uugrn.org.error.log;

        ssl_certificate /etc/letsencrypt/live/draw.uugrn.org/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/draw.uugrn.org/privkey.pem;

        include /etc/letsencrypt/options-ssl-nginx.conf;
        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

        location / {
            proxy_pass             http://localhost:9002/;
            proxy_set_header       Host $host;
            proxy_pass_header Server;
            proxy_buffering off;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Host $host;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
        }
}

# we're in the http context here
map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

server {
    listen      80;
    server_name draw.uugrn.org;
    rewrite     ^(.*)   https://$server_name$1 permanent;
}

Letsencrypt einrichten

War schon installiert (siehe pad.uugrn.org)

$ certbot -d draw.uugrn.org
<run through wizard>
service nginx reload