OOWOW provides a flexible and powerful ways to upgrade fix and maintain device

Need bootup into oowow 1st time and …

• make wifi configuration to use LAN
• check device hostname for example edge2-00000, device must be visible in LAN under MDNS edge2-00000.local name
• FireWall setup to allow income connection from LAN
• check connection

check network access from LAN

ping edge2-00000.local -c1 && ssh root@edge2-00000.local false && echo OK

reboot device into oowow mode under main OS

# reboot into oowow from main OS
i2cset -f -y 2 0x18 0x92 1 && i2cset -f -y 2 0x18 0x91 1

ssh usage for remote reboot into oowow mode

echo "i2cset -f -y 2 0x18 0x92 1 && i2cset -f -y 2 0x18 0x91 1" | ssh user@HOST && echo OK REBOOT INTO OOWOW

Device must be run in oowow mode, and will be visible in LAN by name edge2-00000.local

write image to device from remote PC by LAN

curl edge2-00000.local/shell/write | sh -s - edge2-armbian-bookworm-legacy-cli.img.xz

Users can find the best way to upgrade eMMC storage content…

write raw image by ssh

cat edge2-armbian-bookworm-legacy-cli.img | ssh root@edge2-00000.local dd of=/dev/mmcblk0 status=progress

write raw image by ssh decompress on fly

xz -dc edge2-armbian-bookworm-legacy-minimal.img.xz | ssh root@edge2-00000.local dd of=/dev/mmcblk0 status=progress

.. i will write more example next time

Back to OS from oowow

ssh root@edge2-00000.local reboot

• Edge2 Boot flow