Wiki software

Wiki software allows an organization to have a manual that can be edited by a number of collaborators. Wikipedia is the best known example.

MediaWiki

MediaWiki is the free, open source server software that Wikipedia uses. It is scalable to very large uses. It runs on the LAMP server stack (which uses the MySQL database and is available as an installation option with the (K)ubuntu server), or it can be used with a postgreSQL database. Installation instructions are here. Also see these tips. Install from the repositories:

sudo apt-get install mediawiki

Edit the config file so it recognizes MediaWiki:

sudo nano /etc/mediawiki/apache.conf

Uncomment (remove the #) the line:

Alias /mediawiki /var/lib/mediawiki

Restart apache2:

sudo /etc/init.d/apache2 restart

Run/install MediaWiki by logging into:

http://localhost/mediawiki

You will be prompted for configuration variables to be set. The trickiest is the MySQL user/password. Hopefully you remember your MySQL superuser that you set at the time of LAMP (or MySQL) installation.

Copy your local settings configuration file to /etc/mediawiki (and make a backup of the original):

sudo cp /var/lib/mediawiki/config/LocalSettings.php /etc/mediawiki
sudo mv /var/lib/mediawiki/config/LocalSettings.php /var/lib/mediawiki/config/LocalSettings_at_install.php

Edit your configuration variables there:

sudo kate /etc/mediawiki/LocalSettings.php

If you are using a virtual host server, make a symbolic link (named in this example mywiki) from your /usr/share/mediawiki installation folder to your /var/www folder:

sudo ln -s /usr/share/mediawiki /var/www/mywiki

then make sure you have an apache2 virtual hosts configuration file (in /etc/apache2/sites-available) that points to /var/www/mywiki as the DocumentRoot. Make a symbolic link from your virtual host configuration file in /etc/apache2/sites-available to /etc/apache2/sites-enabled to enable it. Restart apache2 after enabling the sites. (Warning: MediaWiki is not secure at installation and can be easily hacked by new users. Do not publish your wiki to the Internet before reading all the instructions and changing the configuration file (LocalSettings.php) so that it is more secure.) You would then access the database at:

http://my.virtualwikihost.org

How do I import a copy of Ubuntuguide into my own wiki?

See this page.

ReCaptcha

ReCaptcha is a webservice CAPTCHA module to present a text challenge for user-input that is unreadable by computer bots, lessening the chance of automated input (spam and vandalism). This can be used for wikis and for other uses.

A reCaptcha plugin for MediaWiki is available here (and instructions are repeated below).

Download and install:

cd /var/lib/mediawiki/extensions
sudo wget -O currentrecaptcha.zip http://recaptcha.googlecode.com/files/recaptcha-mediawiki-1.7.zip
sudo unzip currentrecaptcha.zip
sudo rm currentrecaptcha.zip

Sign up for a private/public key pair from the ReCaptcha website.

Edit the Mediawiki LocalSettings.php file (assuming you put it in /etc/mediwiki):

sudo nano /etc/mediawiki/LocalSettings.php

and add the following lines:

#For ReCaptcha
require_once( "$IP/extensions/recaptcha/ReCaptcha.php" );
# Sign up for these at http://recaptcha.net/api/getkey
$recaptcha_public_key = ' xyxyxyxyxyxyxyxyx ';
$recaptcha_private_key = ' ababababababababa ';

where xyxyxyxyxyxyxyxyx is the public key obtained in the previous step and ababababababababa is the private key.

Now ReCaptcha should appear automatically for new user sign-ups, anonymous edits that contain new external links, and brute-force password cracking attempts.

Twiki

Twiki is an open source wiki engine used by many small to medium size companies internally. It has an active development team with multiple plugins. See the website for installation instructions. Install:

sudo apt-get install twiki

Moin Moin

Moin Moin is free, open source (GPL-licensed) wiki software written using Python, with a large community of users, including the Apache, Debian, and Ubuntu wikis. See these Ubuntu installation instructions. Install:

sudo apt-get install python-moinmoin

TiddlyWiki

TiddlyWiki is an open source personal wiki. It is ideal for creating a list of things to do, note taking, or as a collaboration tool for a small team. It is a single HTML file that can reside on your computer or can even be uploaded to a web server and be used as a simple website. It is developed using a Firefox browser as an interface. Installation instructions are on the website.

模板:Lucid/Wiki

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