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+---
+layout: post
+title:  "Zotero"
+date:   2014-12-09 12:12:12
+tags: zotero webdav nginx apache
+---
+[Zotero](https://www.zotero.org/) is an Open Source tool that lets you organise your bibliography, syncing it with the cloud.
+Unlike other alternatives such as [Mendeley](http://www.mendeley.com), Zotero can upload the attachments and data to a private cloud via WebDav.
+
+If you use nginx as your web server, know that even though it provides partial support for webdav, Zotero needs more than that.
+Hence, you will need another webdav server, and optionally let nginx proxy to it.
+This short post provides the basics to get that set-up working under Debian/Ubuntu.
+
+## Setting up Apache
+
+First we need to install Apache:
+
+    sudo apt-get install apache2
+
+Change the head of "/etc/apache2/sites-enabled/000-default" to:
+
+    <VirtualHost *:880>
+
+Then, create a file /etc/apache2/sites-available/webdav:
+
+    Alias /dav /home/webdav/dav
+    <Location /dav>
+        Dav on
+        Order Allow,Deny
+        Allow from all
+        Dav On
+        Options +Indexes
+        AuthType Basic
+        AuthName DAV
+        AuthBasicProvider file
+        AuthUserFile /home/webdav/.htpasswd
+        Require valid-user
+    </Location>
+
+Ideally, you want your webdav folders to be private, adding authentication to them.
+So you need to create the webdav and zotero users and add the passwords to an htpasswd file.
+Even though you could use a single user, since you will be configuring several clients with your credentials I encourage you to create the zotero user as well.
+This way you can always change the password for zotero without affecting any other application using webdav.
+
+    sudo adduser webdav
+    sudo htpasswd -c /home/webdav/.htpasswd webdav
+    sudo htpasswd /home/webdav/.htpasswd zotero
+    sudo mkdir -p /home/webdav/dav/zotero
+
+Enable the site and restart apache:
+
+    sudo a2enmod webdav
+    sudo a2enmod dav_fs
+    sudo a2ensite webdav
+    sudo service apache2 restart
+
+At this point everything should be working at http://\<your_host\>:880/dav/zotero
+
+## Setting up NGINX
+After the Apache side is working, we can use nginx as a proxy to get cleaner URIs.
+In your desired site/location, add this:
+
+    location /dav {
+        client_max_body_size 20M;
+        proxy_set_header X-Real-IP  $remote_addr;
+        proxy_set_header X-Forwarded-For $remote_addr;
+        proxy_set_header Host $host;
+        proxy_pass http://127.0.0.1:880;
+    }
+
+Now just reload nginx:
+
+    sudo service nginx force-reload
+
+## Extras
+
+* [Zotero Reader](http://zoteroreader.com/) - HTML5 client
+* [Zandy](https://github.com/ajlyon/zandy) - Android Open Source client