So for the E5+, crowsnest is in /etc/logrotate.d/
pi@E5P-mainsailos:~ $ systemctl status crowsnest
● crowsnest.service - crowsnest - Multi Webcam/Streamer Control Deamon
Loaded: loaded (/etc/systemd/system/crowsnest.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2023-06-03 07:15:37 PDT; 1h 29min ago
Docs: https://github.com/mainsail-crew/crowsnest
Main PID: 665 (crowsnest)
Tasks: 16 (limit: 4915)
CGroup: /system.slice/crowsnest.service
├─ 665 /bin/bash /usr/local/bin/crowsnest -c /home/pi/klipper_config/crowsnest.conf
├─ 4711 /bin/bash /usr/local/bin/crowsnest -c /home/pi/klipper_config/crowsnest.conf
├─ 4712 /bin/bash /usr/local/bin/crowsnest -c /home/pi/klipper_config/crowsnest.conf
├─ 4774 xargs /home/pi/crowsnest/bin/ustreamer/ustreamer
├─ 4775 /bin/bash /usr/local/bin/crowsnest -c /home/pi/klipper_config/crowsnest.conf
├─ 4776 /home/pi/crowsnest/bin/ustreamer/ustreamer --host 127.0.0.1 -p 8080 -m MJPEG --device-timeout=5 --buffers=3 -r 1280x720 -f 20 --allow-origin=* --static /home/pi/crowsnest/ustreamer-www
├─ 4821 xargs /home/pi/crowsnest/bin/ustreamer/ustreamer
├─ 4822 /bin/bash /usr/local/bin/crowsnest -c /home/pi/klipper_config/crowsnest.conf
├─ 4823 /home/pi/crowsnest/bin/ustreamer/ustreamer --host 127.0.0.1 -p 8081 -d /dev/video1 --device-timeout=2 -m MJPEG --encoder=HW -r 1280x720 -f 20 --allow-origin=* --static /home/pi/crowsnest/ustreamer-www
└─19108 sleep 120
Jun 03 07:16:10 E5P-mainsailos crowsnest[4870]: -- INFO [39.774 stream] -- Capturing started
Jun 03 07:16:10 E5P-mainsailos crowsnest[4872]: -- INFO [39.774 stream] -- Switching to HW encoder: the input is (M)JPEG ...
Jun 03 07:16:10 E5P-mainsailos crowsnest[4874]: -- INFO [39.774 stream] -- Using JPEG quality: encoder default
Jun 03 07:16:10 E5P-mainsailos crowsnest[4876]: -- INFO [39.774 stream] -- Creating pool JPEG with 1 workers ...
Jun 03 07:16:10 E5P-mainsailos crowsnest[4878]: -- INFO [39.775 stream] -- Capturing ...
Jun 03 07:16:11 E5P-mainsailos crowsnest[665]: [06/03/23 07:16:11] crowsnest: ... Done!
Jun 03 07:16:11 E5P-mainsailos crowsnest[4906]: ... Done!
Jun 03 07:16:17 E5P-mainsailos crowsnest[4966]: -- INFO [46.846 http] -- HTTP: Registered client: [127.0.0.1]:39496, id=f10de5a241b9565f; clients now: 1
Jun 03 07:16:17 E5P-mainsailos crowsnest[4968]: -- INFO [46.887 http] -- HTTP: Disconnected client: [127.0.0.1]:39496, id=f10de5a241b9565f, Resource temporarily unavailable (reading,eof); clients now: 0
Jun 03 07:16:17 E5P-mainsailos crowsnest[4978]: -- INFO [47.176 http] -- HTTP: Registered client: [127.0.0.1]:39500, id=ef101f84d751c419; clients now: 1