- Run the drush commands:
drush vset clean_url 0 --yes
- Run the mysql commands:
UPDATE variable SET value = 's:1:"0";' WHERE name = 'clean_url';
DELETE FROM cache;
- Alternatively, you can modify the appropriate settings.php file to include the line
$conf['clean_url'] = 0;
at the bottom (or similar code in the site settings array you'll see there).