dienste:bytecluster0002:wiki [Verein zur Förderung von Technikkultur in Erfurt e.V]

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====== Container 'wiki' ======
===== Ressourcen =====

  * 0.5 GB RAM
  * 2 Cores
  * 8 GB HDD (root-fs)

===== System =====

  * interne IPs
    * 10.2.0.2, fd00:10:2:0::2

===== Dienste =====

  * Dokuwiki (via NGINX)

===== Installation =====

  * Standard-Template mit Benutzern

==== NGINX / PHP ====

  - NGINX und PHP-FPM installieren
    * **sudo apt-get install php7.4 php7.4-cli php7.4-fpm php7.4-gd php7.4-xml php7.4-zip php7.4-mbstring nginx**
  - Default-Konfiguration anpassen<file|/etc/nginx/sites-available/default>
server {
	listen 80 default_server;
	listen [::]:80 default_server;

	root /var/www/public_html;

	# Add doku.php as index
	index doku.php;

	server_name _;

        # Block Bytespider
        if ($http_user_agent ~ (Bytespider|bytedance) ) {
                return 403;
        }

	location / {
		try_files $uri $uri/ @dokuwiki;
	}

	# Do not serve config, data and .ht*
	# Comment during installation
	location ~ /(data/|conf/|bin/|inc/|install.php) {
		return 403;
	}
	location ~ /\.ht { deny all; }

	# Maximum POST-size and Buffer
	client_max_body_size 20M;
	client_body_buffer_size 128K;

	# Rewrite Rules
        location @dokuwiki {
		rewrite ^/_media/(.*) /lib/exe/fetch.php?media=$1 last; 
                rewrite ^/_detail/(.*) /lib/exe/detail.php?media=$1 last; 
                rewrite ^/_export/([^/]+)/(.*) /doku.php?do=export_$1&id=$2 last; 
                rewrite ^/(.*) /doku.php?id=$1 last;
	}

	# pass PHP scripts to FastCGI server
	location ~ \.php$ { 
		try_files $uri =404; 
                fastcgi_pass unix:/var/run/php/php7.4-fpm.sock; 
                fastcgi_index index.php; 
                include fastcgi_params; 
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; 
	}
}
</file> 
  - Dienste aktivieren und neustarten
    * **sudo systemctl enable nginx.service php7.4-fpm.service**
    * **sudo systemctl restart nginx.service php7.4-fpm.service**

==== Dokuwiki ====

  - Dokuwiki-Verzeichnisse erstellen
    * **sudo mkdir /var/www/{public_html,data}** 
  - Dokuwiki installieren 
    * nach [[https://www.dokuwiki.org/install|Anleitung]]
      * Entpacken in das Verzeichnis /var/www/public_html
      * Datenverzeichnis nach /var/www/data (bzw. ../data)
  - Berechtigungen anpassen
    * **chown -R www-data:www-data /var/www/{public_html,data}**
  - Cache-Cleanup einrichten
    - Cleanup-Skript<file|/usr/local/bin/cleanup_dokuwiki_cache.sh>
#!/bin/bash

cleanup()
{
    local data_path="$1"        # full path to data directory of wiki
    local retention_days="$2"   # number of days after which old files are to be removed

    # remove stale lock files (files which are 1-2 days old)
    find "${data_path}"/locks/ -name '*.lock' -type f -mtime +1 -delete

    # remove files older than ${retention_days} days from the cache
    find "${data_path}"/cache/ -type f -mtime +${retention_days} -delete
}

# cleanup DokuWiki installations (path to datadir, number of days)
cleanup /var/www/data    180
</file>
    - Cleanup-Skript ausführbar machen
      * **chmod +x /usr/local/bin/cleanup_dokuwiki_cache.sh**
    - Cleanup-Skript als Cronjob einrichten machen
      * **<nowiki>echo -e "0 2 * * *\troot\t/usr/local/bin/cleanup_dokuwiki_cache.sh" | sudo tee /etc/cron.d/dokwiki > /dev/null/<nowiki>**

=== robots.txt ===

Quelle: https://neil-clarke.com/block-the-bots-that-feed-ai-models-by-scraping-your-website/

  - Robots.txt setzen<file|/var/www/public_html/robots.txt>
User-agent: CCBot
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: anthropic-ai
Disallow: /

User-agent: Omgilibot
Disallow: /

User-agent: Omgili
Disallow: /

User-agent: FacebookBot
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: ImagesiftBot 
Disallow: /
</file>
  - Berechtigungen anpassen
    * **chown www-data:www-data /var/www/public_html/robots.txt**

==== Backup mit Borgmatic ====

  - Installation siehe [[mariadb]]
  - Konfiguration <file|/etc/borgmatic/config.yaml>
...
location:
    # List of source directories to backup (required). Globs and
    # tildes are expanded.
    source_directories:
        - /etc
        - /home
        - /root
        - /usr/local
        - /var/log
        - /var/www
...
</file>