Im looking for logs from modbus tcp (for example connectiom timeout, reply timeout, exception error) and for mqtt broker problems like connection timeout, invalid user or password, authentication
I get only:
root@Teltonika-TRB255:~# logread -f
Fri Jun 11 07:45:31 2021 daemon.err uhttpd[2418]: sed: write error
Fri Jun 11 07:47:34 2021 kern.notice kernel: modbus_data_sender configuration has been changed
Fri Jun 11 07:48:29 2021 kern.notice kernel: modbus_data_sender configuration has been changed
Fri Jun 11 08:00:00 2021 cron.info crond[19890]: USER root pid 13535 cmd sh /sbin/ftp_upload.sh
Fri Jun 11 08:00:00 2021 user.notice ftp_upload.sh: No FTP host provided.