Update Drupal Modules
This describes the process to update Drupal modules.
1. Goto the modules directory.
cd /var/www/html/drupal/shop/sites/all/modules/contrib
2. Download the required module.
wget http://ftp.drupal.org/files/projects/webform-6.x-2.9.tar.gz
3. Extract the tar file.
tar -xvf
This will overwrite the previous version.
4. Run Drupal Update.