You don't need a web browser to use Pantheon! Do it all command line to save time and reduce errors.
Get the connection user names and passwords for your site:
terminus site connection-info
list all the backups your account has access to:
terminus site backups get
Get information about the site including PHP version:
terminus site info --site=mygtdd8
Grab a particular sites backup
terminus site backups get --site=mygtdd8
Migrate the database from live to dev or to a multidev:
terminus site clone-content --site=mygtdd8 --from-env=live --to-env=dev --db-only --yes
Merge code from dev to test or live:
terminus site merge-from-dev [--site=<site>] [--env=<env>]
Deploy to live with database updates and a cache clear:
terminus site deploy --site=mygtdd8 --env=live --cc --updatedb
clear Redis and Varnish cache:
terminus site clear-cache --site=mygtdd8 --env=live
Use your local Drush on a site:
drush @pantheon.global-training-day.live uli --strict=0
Did that give you trouble? Try the Drush on the server:
terminus drush "uli" --site=global-training-day --env=dev