5) define the boot order now I can set the boot order with the command:
sudo raspi-config
sudo nano /boot/cmdline.txt
sudo nano /etc/fstab
astroberry@astroberry:~ $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk ├─sda1 8:1 0 256M 0 part /boot ├─sda2 8:2 0 146.5G 0 part / └─sda3 8:3 0 319G 0 part /media/astroberry/astrofoto mmcblk0 179:0 0 116.2G 0 disk ├─mmcblk0p1 179:1 0 256M 0 part /media/astroberry/boot └─mmcblk0p2 179:2 0 115.9G 0 part /media/astroberry/rootfs
astroberry@astroberry:~ $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT mmcblk0 179:0 0 116.2G 0 disk ├─mmcblk0p1 179:1 0 256M 0 part /boot └─mmcblk0p2 179:2 0 115.9G 0 part /
Raspberry Pi Diagnostics - version 0.9 Sat Apr 23 11:51:42 2022 Test : SD Card Speed Test Run 1 prepare-file;0;0;36187;70 seq-write;0;0;35989;70 rand-4k-write;0;0;8046;2011 rand-4k-read;17151;4287;0;0 Sequential write speed 35989 KB/sec (target 10000) - PASS Random write speed 2011 IOPS (target 500) - PASS Random read speed 4287 IOPS (target 1500) - PASS Test PASS
Raspberry Pi Diagnostics - version 0.9 Sat Apr 23 10:32:33 2022 Test : SD Card Speed Test Run 1 prepare-file;0;0;258015;503 seq-write;0;0;257003;501 rand-4k-write;0;0;52809;13202 rand-4k-read;41217;10304;0;0 Sequential write speed 257003 KB/sec (target 10000) - PASS Random write speed 13202 IOPS (target 500) - PASS Random read speed 10304 IOPS (target 1500) - PASS Test PASS