Syslog of registered equipment not collected

Hello.
I would like to collect a syslog of the equipment registered in the librenms.
However, the syslog daemon is not active. Please help me. Thank you.

librenms@Librenms:~$ ./validate.php

Component Version
LibreNMS 23.6.0-19-g9c6541f3a (2023-07-05T22:29:32+09:00)
DB Schema 2023_05_12_071412_devices_expand_timetaken_doubles (252)
PHP 8.1.2-1ubuntu2.13
Python 3.10.6
Database MariaDB 10.6.12-MariaDB-0ubuntu0.22.04.1
RRDTool 1.7.2
SNMP 5.9.1
===========================================

[OK] Composer Version: 2.5.8
[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 and column collations are correct
[OK] Database schema correct
[OK] MySQl and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[OK] Python poller wrapper is polling
[OK] Redis is unavailable
[OK] rrd_dir is writable
[OK] rrdtool version ok
librenms@Librenms:~$


root@Librenms:~# systemctl status syslog-ng.service
0m syslog-ng.service - System Logger Daemon
     Loaded: loaded (/lib/systemd/system/syslog-ng.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Fri 2023-07-07 13:36:15 KST; 4s ago
       Docs: man:syslog-ng(8)
    Process: 59870 ExecStart=/usr/sbin/syslog-ng -F $SYSLOGNG_OPTS (code=exited, status=2)
   Main PID: 59870 (code=exited, status=2)
     Status: "Starting up... (Fri Jul  7 13:36:15 2023"
        CPU: 12ms

Jul 07 13:36:15 Librenms systemd[1]: syslog-ng.service: Scheduled restart job, restart counter is at 5.
Jul 07 13:36:15 Librenms systemd[1]: Stopped System Logger Daemon.
Jul 07 13:36:15 Librenms systemd[1]: syslog-ng.service: Start request repeated too quickly.
Jul 07 13:36:15 Librenms systemd[1]: syslog-ng.service: Failed with result 'exit-code'.
Jul 07 13:36:15 Librenms systemd[1]: Failed to start System Logger Daemon.
root@Librenms:~# 

root@Librenms:~# journalctl -xeu syslog-ng.service
[0mSubject: Unit process exited
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m An ExecStart= process belonging to unit syslog-ng.service has exited.
0m 
0m The process' exit code is 'exited' and its exit status is 2.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Failed with result 'exit-code'.
[0mSubject: Unit failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m The unit syslog-ng.service has entered the 'failed' state with result 'exit-code'.
Jul 07 13:40:31 Librenms systemd[1]: Failed to start System Logger Daemon.
[0mSubject: A start job for unit syslog-ng.service has failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m A start job for unit syslog-ng.service has finished with a failure.
0m 
0m The job identifier is 5415 and the job result is failed.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Scheduled restart job, restart counter is at 4.
[0mSubject: Automatic restarting of a unit has been scheduled
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m Automatic restarting of the unit syslog-ng.service has been scheduled, as the result for
0m the configured Restart= setting for the unit.
Jul 07 13:40:31 Librenms systemd[1]: Stopped System Logger Daemon.
[0mSubject: A stop job for unit syslog-ng.service has finished
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m A stop job for unit syslog-ng.service has finished.
0m 
0m The job identifier is 5518 and the job result is done.
Jul 07 13:40:31 Librenms systemd[1]: Starting System Logger Daemon...
[0mSubject: A start job for unit syslog-ng.service has begun execution
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m A start job for unit syslog-ng.service has begun execution.
0m 
0m The job identifier is 5518.
Jul 07 13:40:31 Librenms syslog-ng[113451]: [2023-07-07T13:40:31.689235] WARNING: Configuration file format is too old, syslog-ng is running in compa>
Jul 07 13:40:31 Librenms syslog-ng[113451]: [2023-07-07T13:40:31.697555] Error resolving reference; content='source', name='s_sys', location='/etc/sy>
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
[0mSubject: Unit process exited
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m An ExecStart= process belonging to unit syslog-ng.service has exited.
0m 
0m The process' exit code is 'exited' and its exit status is 2.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Failed with result 'exit-code'.
[0mSubject: Unit failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m The unit syslog-ng.service has entered the 'failed' state with result 'exit-code'.
Jul 07 13:40:31 Librenms systemd[1]: Failed to start System Logger Daemon.
[0mSubject: A start job for unit syslog-ng.service has failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m A start job for unit syslog-ng.service has finished with a failure.
0m 
0m The job identifier is 5518 and the job result is failed.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Scheduled restart job, restart counter is at 5.
[0mSubject: Automatic restarting of a unit has been scheduled
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m Automatic restarting of the unit syslog-ng.service has been scheduled, as the result for
0m the configured Restart= setting for the unit.
Jul 07 13:40:31 Librenms systemd[1]: Stopped System Logger Daemon.
[0mSubject: A stop job for unit syslog-ng.service has finished
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/suppor˙
0m 
0m A stop job for unit syslog-ng.service has finished.
0m 
0m The job identifier is 5621 and the job result is done.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Start request repeated too quickly.
Jul 07 13:40:31 Librenms systemd[1]: syslog-ng.service: Failed with result 'exit-code'.
[0mSubject: Unit failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m The unit syslog-ng.service has entered the 'failed' state with result 'exit-code'.
Jul 07 13:40:31 Librenms systemd[1]: Failed to start System Logger Daemon.
[0mSubject: A start job for unit syslog-ng.service has failed
0m Defined-By: systemd
0m Support: http://www.ubuntu.com/support
0m 
0m A start job for unit syslog-ng.service has finished with a failure.
0m 
0m The job identifier is 5621 and the job result is failed.
root@Librenms:~#

Your log info says you’ve got an issue with your syslog config, you’ll need to get that fixed before you’ll start seeing syslog info in LibreNMS