Useful drush commands
From http://docs.drush.org:
Drush is a command line shell and Unix scripting interface for Drupal. Drush core ships with lots of useful commands for interacting with code like modules/themes/profiles. Similarly, it runs update.php, executes sql queries and DB migrations, and misc utilities like run cron or clear cache.
Rebuild Drupal cache
../vendor/bin/drush -l my-site.com cr
Rebuild Drupal routes
drush ev '\Drupal::service("router.builder")->rebuild();'
Reset admin password
./vendor/bin/drush -l my-site.com uli
import Drupal's configs
../vendor/bin/drush -l my-site.com cim
Export Drupal's configs
../vendor/bin/drush -l my-site.com cex