Upgrading to WordPress 2.0:
- deactivate plugins
- wget http://www.wordpress.org/latest.tar.gz
- untar latest.tar.gz
- remove the following files/folders:
- wp-*, *.html,*.txt
- wp-admin folder
- wp-includes folder
- DO NOT DELETE: wp-config.php, wp-contents folder, htaccess and wp-includes/languages folder
- copy files from wordpress to home folder (and create extra directories)
- point browser to upgrade.php
- DELETE wp-config-sample.php and install.php and upgrade.php files.
- Activate plugins
Pending your unix experience it takes between 15 – 30 minutes to upgrade.