Reverse Proxy Server 2: Wiki

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Uniform Server 5.0-Nano
Reverse Proxy.

On the previous page I covered running a subversion back-end server this page looks at running MediaWiki as a back-end server.

Again before deployment this can be tested on a local PC.

Note: This page is worth reading before installing on a back-end server.

Preparation

For this example we require a MediaWiki server.

Create a new folder C:\server_d Extract a copy of UniServer 5.0 to this folder.

1) Move Servers First close all running servers.
  1. Run Unitray: C:\server_d\UniServer\Start.exe
  2. Left click tray icon > Advance > Move Servers multi-server operation
  3. Press enter at all prompts
  4. Repeat 2 and 3 Until icon 5 is displayed
  • Note: Apache port = 84
2) Download Mediawiki
  1. Download Mediakiki 1.15.1 (or newer version) from here save to a convenient folder.
  2. Unzip the downloaded file (mediawiki-1.15.1.tar.gz) Windows cannot do this use something like 7-Zip Portable
     --- Download site: PortableApps.com
     --- File name: 7-Zip Portable - Multilingual file archiver and compressor
  3. Extract mediawiki-1.15.1.tar.gz to current path, creates a new folder mediawiki-1.15.1.tar open this folder
  4. Extract mediawiki-1.15.1.tar to current path, creates a new folder mediawiki-1.15.1
3) Copy files to Uniform Server
  1. Copy folder mediawiki-1.15.1 to server root folder C:\server_d\UniServer\www
  2. Rename folder mediawiki-1.15.1 to wiki
4) Install
  1. Start servers
  2. Type the following into your browser address bar: http://localhost:84/wiki/ redirects to installation page.
  3. Click the link Please set up the wiki first.
  4. This opens the configuration page scroll down to Site config and fill in the form.

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Site config

Wiki name:MPG (whatever you like)
Contact e-mail:admin@localhost
Language:en-English
Copyright/license: (radio button) select No license metadata
Admin username:WikiSysop
Password:root66 (whatever you like)
Password confirm:root66 (same as above)
Object caching:(radio button) select none
Memcached servers:(leave blank)

E-mail, e-mail notification and authentication setup

E-mail features (global): (radio button) select Disabled
User-to-user e-mail:(radio button) select Disabled
E-mail notification about changes:(radio button) select Disabled
E-mail address: (radio button) select Disabled

Database config

Database type:(radio button) select MySQL
Database host:localhost:3310 - Note port number
Database name: wikidb
DB username:root
DB password confirm: root
Superuser account:tick box
Superuser name:root
Superuser password:root

MySQL specific options

Database table prefix:leave blank
Storage Engine:(radio button) select MyISAM
Database character set: : (radio button) select MySQL 4.1/5.0 binary

Click Install MediaWiki

After creating the database a second page will display, scroll down the page you will see the conformation message

Installation successful! Move the config/LocalSettings.php 
file to the parent directory, then follow this link to your wiki”

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Notes

Notes 1: To enable image uploads:

  1. Open file: LocalSettings.php
  2. Located in folder: *\UniServer\udrive\www\wiki
  3. Change this line: $wgEnableUploads = false;
  4. To: $wgEnableUploads = true;


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Configure Proxy Server

Remember that template? Well configuring the proxy is just a copy and paste exercise. For this example even the correct port is included.

Edit file C:\server_a\UniServer\usr\local\apache2\conf\httpd.conf

Add the wiki section as shown below:

Include conf/proxy_html.conf
NameVirtualHost *
<VirtualHost *>
  ServerName localhost:80
  DocumentRoot C:/server_a/UniServer/www

ProxyRequests off
<Proxy *>
  Order deny,allow
  Deny from all
  Allow from 127.0.0.1
</Proxy>

ProxyPass /info/ http://localhost:82/
ProxyHTMLURLMap http://localhost:82 /info
<Location /info/>
  ProxyPassReverse  http://localhost:82/
  #SetOutputFilter proxy-html
  SetOutputFilter INFLATE;proxy-html;DEFLATE
  ProxyHTMLURLMap /          /info/
  ProxyHTMLURLMap /info      /info
</Location>

ProxyPass /svn/ http://localhost:83/svn/
<Location /svn/ >
  ProxyPassReverse /svn/
   <LimitExcept GET PROPFIND OPTIONS REPORT>
     Order deny,allow
     Deny from all
   </LimitExcept>
</Location>

ProxyPass         /wiki/  http://localhost:84/wiki/
ProxyHTMLURLMap http://localhost:84/wiki /wiki
<Location /wiki/>
 ProxyPassReverse http://localhost:84/wiki/
 SetOutputFilter INFLATE;proxy-html;DEFLATE
 ProxyHTMLURLMap /           /wiki/
 ProxyHTMLURLMap /wiki       /wiki
</Location>

</VirtualHost>

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Test Configuration

To quickly check the configuration:

  • Start server_a
  • Start server_d
  • Type http://localhost/wiki/

Result: Wiki main page displayed.

Create a new Wiki page, confirm you can save and display the new page.

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Summary

That completes how to proxy a MediaWiki back-end server.

On the next page I look at an Intranet deployment.

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