Reinstallation
From Lanius CMS Wiki
NOTE: to re-install and preserve your data, see Backup; the methods here explained do not allow data persistency
You can normally proceed to a reinstallation by deleting the private/config.php file or using the Administration backend feature.
Preserve database settings
If you wish to carry out a reinstall and preserve your previous settings, you can rename the config.php file to config.template.php and the installation script will redirect you to stage 2 and allow re-installation using the previous settings. Most notably, the database settings will be preserved and you will not need to specify them again.
NOTE: it is highly advised to delete config.template.php once finished since it contains the database password and other important private parameters, which is always a good habit not to duplicate (you might forget about its existence later)
Run-time reinstall
See Packages.

