Добрый день! помогите пожалуйста понять записи в логах:
что они могу означать
клиент стал жаловаться на перезагрузку контроллера, причем ночью…
смотрю лог, вижу из странного только вот такие повторяющиеся запись
и что за root сессия открывается и закрывается?
May 16 06:54:01 wirenboard-A2TH7LYR authpriv.info CRON[28002]: pam_unix(cron:session): session opened for user root by (uid=0)
May 16 06:54:01 wirenboard-A2TH7LYR cron.info CRON[28006]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
May 16 06:54:05 wirenboard-A2TH7LYR authpriv.info CRON[28002]: pam_unix(cron:session): session closed for user root
May 16 06:54:56 wirenboard-A2TH7LYR user.notice wb-mqtt-db[769]: 2022-05-16 06:54:56.323 NOTICE: Bulk processing took 256ms
May 16 06:55:01 wirenboard-A2TH7LYR authpriv.info CRON[28081]: pam_unix(cron:session): session opened for user root by (uid=0)
May 16 06:55:01 wirenboard-A2TH7LYR authpriv.info CRON[28082]: pam_unix(cron:session): session opened for user root by (uid=0)
May 16 06:55:01 wirenboard-A2TH7LYR cron.info CRON[28090]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_wbrules.sh 2>&1 | logger -t wb-daemon-watchdogs)
May 16 06:55:01 wirenboard-A2TH7LYR cron.info CRON[28089]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
May 16 06:55:03 wirenboard-A2TH7LYR authpriv.info CRON[28082]: pam_unix(cron:session): session closed for user root
May 16 06:55:06 wirenboard-A2TH7LYR authpriv.info CRON[28081]: pam_unix(cron:session): session closed for user root
May 16 06:56:01 wirenboard-A2TH7LYR authpriv.info CRON[28174]: pam_unix(cron:session): session opened for user root by (uid=0)
May 16 06:56:01 wirenboard-A2TH7LYR cron.info CRON[28178]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
May 16 06:56:05 wirenboard-A2TH7LYR authpriv.info CRON[28174]: pam_unix(cron:session): session closed for user root
May 16 06:56:56 wirenboard-A2TH7LYR user.notice wb-mqtt-db[769]: 2022-05-16 06:56:56.304 NOTICE: Bulk processing took 237ms
May 16 06:57:01 wirenboard-A2TH7LYR authpriv.info CRON[28245]: pam_unix(cron:session): session opened for user root by (uid=0)
May 16 06:57:01 wirenboard-A2TH7LYR cron.info CRON[28249]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
May 16 06:57:06 wirenboard-A2TH7LYR authpriv.info CRON[28245]: pam_unix(cron:session): session closed for user root
May 16 06:57:52 wirenboard-A2TH7LYR user.notice serial: ModbusRTU::ReadRegisterRange(): failed to read 2 input(s) @ 9 of device modbus:21: Serial protocol error: request timed out
May 16 06:58:01 wirenboard-A2TH7LYR authpriv.info CRON[28316]: pam_unix(cron:session): session opened for user root by (uid=0)
