Apache

Apache is a popular http daemon. In other words it is the software for web servers.

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WebDAV under Apache2

With Apache2, the DAV module is already included. You will need to activate the two needed modules dav_fs and dav using a2enmod. Afterwards, restart apache using

/etc/init.d/apache2 force-restart

In /etc/apache2/mods-available/dav_fs.conf you should find something like:

DAVLockDB /var/lock/apache2/DAVLock

The user-account Apache is running under (www or www-data) needs read-and write privileges in this folder.

Enter into /etc/apache2/apache2.conf:

Alias /daten /var/data
<Directory /var/data/>
DAV On
ForceType text/plain
AuthType Basic 
AuthName "WebDAV Daten" 
AuthUserFile /etc/apache2/htpasswd 
Require valid-user 
</Directory>

Create "/var/data" and issue

chown www-data:www-data /var/data

Create the FIRST user with:

htpasswd -c /etc/apache2/htpasswd benutzername

For further users, leave out the -c (create).

switch off Apache - Directory-Listing

Remove

Indexes 

from the options, then the content of the folders will no longer be shown.

Alias

An alias allows you to point a URL to a file like this:

Alias /skins /srv/www/htdocs/skins

Imagine we have a home page www.myhomepage.com and have a mediawiki running on it. The URL http://myhomepage.com/skins would now be processed by mediawiki. But we want it to contain pure files. So we make this alias.

Proxy

For software like shell in a box or guacamole you want apache to fetch data from another port than 80.

Set mod_proxy

You want to store a user list with passwords in /etc/apache2/.htpasswd.

root@linuxintro:/etc/apache2/mods-enabled# cat proxy.conf 
<IfModule mod_proxy.c>
        #turning ProxyRequests on and allowing proxying from all may allow
        #spammers to use your proxy to send email.

        ProxyRequests Off

        <Proxy *>
                AddDefaultCharset off
                AuthUserFile /etc/apache2/.htpasswd
                AuthName Wuhuuu
                AuthType Basic
                require valid-user
                Order deny,allow
                Allow from all
                #Deny from all
                #Allow from .example.com
        </Proxy>

        # Enable/disable the handling of HTTP/1.1 "Via:" headers.
        # ("Full" adds the server version; "Block" removes all outgoing Via: headers)
        # Set to one of: Off | On | Full | Block

        ProxyVia On
</IfModule>

Use ProxyPass

Under Ubuntu 10.04 I go to /etc/apache2/sites-enabled and edit 000-default:

  <IfModule mod_proxy.c>
    <Location /shell>
      ProxyPass http://127.0.0.1:4200
    </Location>
  </IfModule>