I use Network-map and edit config.php file then I edit my map with normal visible and when I refresh my browser network map change automatically.

[root@localhost librenms]# ./validate.php

Component Version
LibreNMS 1.55-46-gdada33a
DB Schema 2019_09_05_153524_create_notifications_attribs_index (141)
PHP 7.2.21
MySQL 5.5.60-MariaDB
RRDTool 1.4.8


[OK] Composer Version: 1.9.0
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[root@localhost librenms]# ./
Re-running /opt/librenms/ as librenms user
Updating to latest codebase OK
Updating Composer packages OK
Updating SQL-Schema OK
Updating submodules OK
Cleaning up DB OK
Fetching notifications OK
Caching PeeringDB data OK
[root@localhost librenms]#