librenms-librenms/doc/General/Updating.md

Updating your install

LibreNMS by default performs updates on a daily basis. This can be disabled by ensuring:

$config['update'] = 0;

is no longer commented out. If you would like to perform a manual update then you can do this by running the following command:

./daily.sh

This will update both the core LibreNMS files but also update the database structure if updates are available.