Add note about anki and howto install a self hosted anki sync server.

20220319091825-anki.org

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+:PROPERTIES:
+:ID:       97d8c2d9-a539-4f0b-ad2e-953bf7845e8c
+:mtime:    20220319160846
+:ctime:    20220319091825
+:END:
+#+title: anki
+
+* Introduction
+TODO
+
+* Installer son serveur Anki
+** Howto
+*** On the server:
+#+BEGIN_SRC shell
+# Get last version source code.
+cd /opt/
+ROOT=/opt/anki-sync-server
+mkdir ${ROOT}
+chown ubuntu ${ROOT}
+git clone https://github.com/ankicommunity/anki-sync-server.git
+cd ${ROOT}
+git checkout tags/v2.3.0
+
+# Prépare virtual environment.
+PATH=/home/ubuntu/.local/bin:$PATH
+virtualenv .
+. bin/activate
+make init
+
+# Create first user
+./src/ankisyncctl.py adduser <user>
+
+# Edit daemon config file.
+CONFIG_PATH=${ROOT}/src/ankisyncd.conf
+sed -i 's/port = 27701/port = 27702/' ${CONFIG_PATH}
+sed -i 's/host = 0.0.0.0/host = 127.0.0.1/' ${CONFIG_PATH}
+
+# Configure ngingx
+cat >/etc/nginx/sites-available/anki-sync-server <<EOF
+server {
+    server_name anki.adrien.run;
+
+    # Increase timeouts for XXL collections through slow bandwidth
+    proxy_read_timeout 3000;
+    proxy_connect_timeout 3000;
+    proxy_send_timeout 3000; 
+    
+    # log files
+    access_log /var/log/nginx/anki-sync-server.access.log;
+    error_log /var/log/nginx/anki-sync-server.error.log;
+
+    # Handle / requests
+    location / {
+       proxy_http_version 1.0;
+       proxy_pass http://127.0.0.1:27702/;
+	   client_max_body_size 222M;
+    }
+}
+EOF
+ln -s /etc/nginx/sites-available/anki-sync-server /etc/nginx/sites-enabled/
+systemctl reload nginx
+
+# Generate certificates signed by certbot
+certbot --nginx -d anki.adrien.run
+systemctl reload nginx
+
+# Add systemd service
+cat>/etc/systemd/system/anki-sync-server.service <<EOF
+Description=Anki sync server
+After=syslog.target network.target
+
+[Service]
+Type=simple
+WorkingDirectory=/opt/anki-sync-server
+ExecStart=/opt/anki-sync-server/bin/python /opt/anki-sync-server/src/ankisyncd/__main__.py
+Restart=on-abort
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl daemon-reload
+systemctl enable anki-sync-server.service
+systemctl start anki-sync-server.service
+#+END_SRC
+
+***  For AnkiDroid:
+Update configuration (in menu parameters/advanced/Custom sync server):
+ * URL:       https://anki.adrien.run
+ * Media URL: https://anki.adrien.run/msync
+
+*** For Anki2.1
+Cf. https://github.com/ankicommunity/anki-sync-server#anki-21
+
+** Références
+ * [[https://github.com/ankicommunity/anki-sync-server][Github]]
+