journalctl -u cron.service -n 20 --no-pager sagt was?
-- Logs begin at Tue 2023-02-28 17:17:01 CET, end at Fri 2023-03-03 17:12:06 CET. --
M▒r 03 17:10:01 raspberrypi4 CRON[22578]: pam_unix(cron:session): session closed for user pi
M▒r 03 17:10:06 raspberrypi4 CRON[22576]: pam_unix(cron:session): session closed for user pi
M▒r 03 17:11:01 raspberrypi4 CRON[22643]: pam_unix(cron:session): session opened for user pi by (uid=0)
M▒r 03 17:11:01 raspberrypi4 CRON[22644]: pam_unix(cron:session): session opened for user pi by (uid=0)
M▒r 03 17:11:01 raspberrypi4 CRON[22645]: (pi) CMD (python3 /home/pi/mqtt/mqtt1.py >> /home/pi/mqtt/mqtt_log.log 2>&1)
M▒r 03 17:11:01 raspberrypi4 CRON[22646]: (pi) CMD (/home/pi/mqtt/mqtt1.sh >> /home/pi/mqtt/mqtt_log.log 2>&1)
M▒r 03 17:11:01 raspberrypi4 sudo[22652]: pam_unix(sudo:session): session opened for user root by (uid=0)
M▒r 03 17:11:01 raspberrypi4 sudo[22652]: pam_unix(sudo:session): session closed for user root
M▒r 03 17:11:01 raspberrypi4 CRON[22644]: pam_unix(cron:session): session closed for user pi
M▒r 03 17:11:06 raspberrypi4 CRON[22643]: pam_unix(cron:session): session closed for user pi
M▒r 03 17:12:01 raspberrypi4 CRON[22698]: pam_unix(cron:session): session opened for user pi by (uid=0)
M▒r 03 17:12:01 raspberrypi4 CRON[22699]: pam_unix(cron:session): session opened for user pi by (uid=0)
M▒r 03 17:12:01 raspberrypi4 CRON[22700]: (pi) CMD (python3 /home/pi/mqtt/mqtt1.py >> /home/pi/mqtt/mqtt_log.log 2>&1)
M▒r 03 17:12:01 raspberrypi4 CRON[22701]: (pi) CMD (/home/pi/mqtt/mqtt1.sh >> /home/pi/mqtt/mqtt_log.log 2>&1)
M▒r 03 17:12:01 raspberrypi4 sudo[22707]: pam_unix(sudo:session): session opened for user root by (uid=0)
M▒r 03 17:12:01 raspberrypi4 sudo[22707]: pam_unix(sudo:session): session closed for user root
M▒r 03 17:12:01 raspberrypi4 CRON[22699]: pam_unix(cron:session): session closed for user pi
M▒r 03 17:12:06 raspberrypi4 CRON[22698]: pam_unix(cron:session): session closed for user pi