Some poller nodes have not checked in recently

$ ./validate.php

Component Version
LibreNMS 22.12.0 (2022-12-29T02:26:21+08:00)
DB Schema 2021_02_09_122930_migrate_to_utf8mb4 (248)
PHP 8.2.0
Python 3.8.10
Database MySQL 5.7.30-0ubuntu0.18.04.1
RRDTool 1.7.2
SNMP 5.8


[OK] Composer Version: 2.5.1
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK] Database schema correct
[OK] MySQl and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[FAIL] Some poller nodes have not checked in recently
Inactive Nodes:
[OK] Redis is unavailable
[OK] rrd_dir is writable
[OK] rrdtool version ok

In Inactive Nodes, only beelinks2 is a valid hostname, but it’s scanned at a regular schedule, pi4b pi4b-8g, pi4b-lbrenms are not valid hostnames and not in my monitoring devices, how can I remove those false hostnames ?

settings>poller>poller should show you all poller nodes registered and if memory serves there should be a delete button behind any that has not checked in.

Thanks, that’s it

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