Canvas LMS user session timeout time setup

Edit files and do changes related to session timeout
config/initializers/session_store.rb

Yourapp::Application.config.session_store :cookie_store,
                                             :key => "_yourapp_session",
                                             :expire_after => 10.minutes

Restart service:
 sudo /etc/init.d/apache2 restart
 sudo /etc/init.d/canvas_init restart

Note - You can setup the parameter for hourly (expire_after: 2.hours)session timeout.