39 lines
922 B
Markdown
39 lines
922 B
Markdown
# Docker RO effort
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## Create base image, simpel
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dd if=./2021-01-11-raspios-buster-armhf-lite.img of=/dev/sda status=progress
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touch ssh -> boot partition
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sudo apt-get update
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sudo apt-get upgrade
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## making a RO overlay root fs => enable it in raspi-config
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## Mounting root as RW?
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sudo losetup -f /dev/mmcblk0p2
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sudo mount -o rw /dev/loop0 /mnt
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## If you need to mount / update
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chroot /mnt
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mount -t proc /proc proc/
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mount --rbind /sys sys/
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mount --rbind /dev dev/
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## Docker's overlay2 needs to be a tmpfs, in fact, docker wants to do some
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mambo-jumbo inside and does not want overlay, need tmpfs
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sudo mount -t tmpfs tmpfs /var/lib/docker
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need to copy contents of overlay2?
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sudo mount -t tmpfs tmpfs /var/lib/docker
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sudo cp -r /mnt/var/lib/docker /var/lib/
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cp -r /var/lib/docker/* /mnt/var/lib/docker
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1, UART > HW
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2, GSM - generic - ip config / reboot / setup /
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3, wahtchdog mod (added?)
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4, BalenaOS, alternativy
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