Upgrade core & Modules

Core: (Docs)

cd /var/www/html/net9/web
composer update drupal/core "drupal/core-*" --with-all-dependencies

Listing modules to be updated

composer outdated "drupal/*"

composer update drupal/modulename_1 drupal/modulename_2 (...) --with-dependencies

After any upgrade, to complete the process

drush updatedb
drush cache:rebuild