hyphop/README-rescue-usb-otg.md

## README-rescue-usb-otg.md

      
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              README-rescue-usb-otg.md
            
          
    Krescue - usb otg mode


usb disk export internal storages from device to host
usb network device <=> host (dhcp autoconfig)

ABOUT: simple way get easy acces to VIMs internal device storages
NOTE:  this method is univerlas for any host os ( windows|mac|linux|... )
INFO:  https://github.com/hyphop/khadas-rescue/docs
Host machine

master@peace:~$ lsscsi | grep Krescue # linux show exported storages
[4:0:0:0]    disk    Krescue. MMC                    /dev/sdd 
[4:0:0:1]    disk    Krescue. SD                     /dev/sde 
[4:0:0:2]    disk    Krescue. RAM                    /dev/sdf 

NOTE: MMC - is internal emmc storage | SD - sd card | RAM - info ram device
Dump internal device storage image example on host machine (LINUX EXAMPLE)

sudo dd if=/dev/sdd bs=1M of=dump.img             # raw
sudo dd if=/dev/sdd bs=1M | gzip -c > dump.img.gz # gziped

Write image from host machine to internal device storage (LINUX EXAMPLE)

sudo dd if=dump.img bs=1M of=/dev/sdd             # raw
gzip -dc dump.img.gz | sudo dd bs=1M of=/dev/sdd  # gziped