[dokuwiki][ubuntu] How to install dokuwiki on Ubuntu 10.04

sudo apt-get install dokuwiki

  ┌─────────────────────┤ apache2 configuration    ├─────────────────────-┐
  | DokuWiki runs on any web server supporting PHP, however this script   │ 
  │ is only able to configure Apache 2 automatically.                     │ 
  │                                                                       │ 
  │ Please select the web server(s) that should be configured             │ 
  │ automatically for DokuWiki.                                           │ 
  │                                                                       │ 
  │ Web server(s) to configure automatically:                             │ 
  │                                                                       │ 
  │    [*] apache2                                                        │ 
  │                                                                       │ 
  │                                                                       │ 
  │                  [Ok]                     [Cancel]                    │
  └───────────────────────────────────────────────────────────────────────┘ 

Please press OK.

  ┌─────────────────────┤ Purging pages on removal ├─────────────────────┐
  │                                                                      │ 
  │ By default, DokuWiki stores all its pages in a file database in      │ 
  │ /var/lib/dokuwiki.                                                   │ 
  │                                                                      │ 
  │ Accepting this option will leave you with a tidier system when the   │ 
  │ DokuWiki package is removed, but may cause information loss if you   │ 
  │ have an operational Wiki that gets removed.                          │ 
  │                                                                      │ 
  │ Purge pages on package removal?                                      │ 
  │                                                                      │ 
  │                   [Yes]                      [No]                    │ 
  │                                                                      │ 
  └──────────────────────────────────────────────────────────────────────┘ 

Please press NO.

1. Go to dokuwiki homepage.
   Download the latest version of dokuwiki.
   
   Method 1
   At the /usr/share of folder.
   rm dokuwiki this folder.
   tar dokuwiki-xxx.tar.gz.
   Now will get the latest version of dokuwiki.
   sudo chown -R www-data /usr/share/dokuwiki/
   
   Or
   
   Method 2
   tar dokuwiki-xxx.tar.gz.
   Put the dokuwiki into /home/happy
   ln -s /home/happy/dokuwiki /usr/share/dokuwiki


2. Admin -> Manage Plugins -> Input URL to download markdown plugin
3. Go to cd /usr/share/dokuwiki/data/pages/.
   Touch a file was called xxx.md.txt.
   And open the firefox 127.0.0.1/dokuwiki.
   Firefox will show xxx.md.txt on the dokuwiki page.
   Start to write info in xxx.md.txt.