# megaimage online - simple Krescue online installation system for VIM1|VIM2|VIM3|VIM3L Khadas boards

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generate download and write installation image by online

this installation image possible write to SD or eMMC ( can boot and install from any sources)

## ONLINE USAGE

    curl -sfL dl.khadas.com/.mega | sh -s - [ARGS] [ > DESTINATION ]
    # or
    wget -O-  dl.khadas.com/.mega | sh -s - [ARGS] [ > DESTINATION ]

    curl -sfL dl.khadas.com/.mega | sh -s - [-l|-A] [Edge|VIM1|VIM2|VIM3|VIM3L] [ IMAGE.kresq ] ... [ > DESTINATION ]

## GEL ONLINE help

    curl -sfL dl.khadas.com/.mega | sh -s - --help

## DETECT VIM board name

    curl -sfL dl.khadas.com/.mega | sh -s - -b

## ONLINE WRITE Krescue system to SD

    curl -sfL dl.khadas.com/.mega | sh -s - Edge  > /dev/mmcblk?
    curl -sfL dl.khadas.com/.mega | sh -s - VIM1  > /dev/mmcblk?
    curl -sfL dl.khadas.com/.mega | sh -s - VIM2  > /dev/mmcblk?
    curl -sfL dl.khadas.com/.mega | sh -s - VIM3  > /dev/mmcblk?
    curl -sfL dl.khadas.com/.mega | sh -s - VIM3L > /dev/mmcblk?

## ONLINE WRITE Krescue system to EMMC (autodetect board + force YES unsafe mode)

    curl -sfL dl.khadas.com/.mega | sh -s - -Y -X  > /dev/mmcblk?

## ONLINE DEVICE INFO

    curl -sfL dl.khadas.com/.mega | sh -s - -i

    > [i] DEVICE INFO
    > [i] BOARD NAME: VIM3L
    > [i] eMMC: /dev/mmcblk0
    > [i] SD card: /dev/mmcblk1

## ONLINE DEVICE INFO CHECK OUTPUT TYPE (its safe nothing write to DISK)

    curl -sfL dl.khadas.com/.mega | sh -s - -i > /dev/mmcblk?

    > [i] DEVICE INFO
    > [i] BOARD NAME: VIM3L
    > [i] eMMC: /dev/mmcblk0
    > [i] SD card: /dev/mmcblk1
    > [i] OUTPUT: /dev/mmcblk1  (SD card)

## CHECK ONLINE images list

    curl -sfL dl.khadas.com/.mega | sh -s - --list

## ONLINE WRITE Krescue system image to file (VIM2)

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 > VIM2.my.krescue.img

## ONLINE WRITE Krescue system to SD (VIM2)

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 > /dev/sdX
    or
    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 | sudo dd bs=1M of=/dev/sdX

## ONLINE DOWNLOAD Krescue system + image (VIM2 + Lakka)

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 VIM2.LAKKA.2.3.pre.emmc.kresq

## ONLINE WRITE Krescue system + image to SD or eMMC (VIM2 + Lakka)

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 VIM2.LAKKA.2.3.pre.emmc.kresq > /dev/mmcblk?

## ONLINE WRITE Krescue system + mega images to SD or eMMC (VIM2 + lakka + openwrt )

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 VIM2.LAKKA.2.3.pre.emmc.kresq VIMx.OpenWrt.servers.test.emmc.kresq > /dev/mmcblk?

NOTE: wrong destination autodetected and rejected!!!
NOTE: bust be very caryfull check device name before write to them!!!

## ONLINE GENERATE MEGA SD ( download all images )

    curl -sfL dl.khadas.com/.mega | sh -s - VIM3 --all

## LOCAL USAGE examples

output to KRESCUE.sd.mega.img

    ./megaimage_online.sh [Edge|VIM1|VIM2|VIM3|VIM3L|-X] [ --list | IMAGE.kresq ] ...

output to stdout

    ./megaimage_online.sh VIMx *.kresq > VIMx.krescue.sd.mega.img

write to sd | emmc card

    ./megaimage_online.sh VIMx *.kresq | dd bs=1M of=/dev/sdX
    # or
    ./megaimage_online.sh VIMx *.kresq > of=/dev/sdX

mega images write to sd

    ./megaimage_online.sh VIMx --all | sudo dd bs=1M of=/dev/sdd

## EXAMPLES

download and write to sd LAKKA VIM2 krescue installation image

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 VIM2.LAKKA.2.3.pre.emmc.kresq | sudo dd bs=1M of=/dev/sdX

download and write to emmc COREELEC VIM3L krescue installation image

    curl -sfL dl.khadas.com/.mega | sh -s - -y -X VIM3x.COREELEC.9.2.nightly.emmc.kresq > /dev/mmcblk?

download  ANDROID and OPENWRT VIM3 krescue installation image

    curl -sfL dl.khadas.com/.mega | sh -s - VIM3 VIM3.Android.Pie_V191130.emmc.kresq VIMx.OpenWrt.servers.test.emmc.kresq

download and write to sd ALL VIM2 krescue installation images

    curl -sfL dl.khadas.com/.mega | sh -s - VIM2 --all | sudo dd bs=1M of=/dev/sdX

download VIM1 volumio installation images (match usage)

    curl -sfL dl.khadas.com/.mega | sh -s - VIM1 -m volumio.last > VIM1.volumio.installation.img

download VIM1 volumio installation images (match usage) + autoinstall configure

    curl -sfL dl.khadas.com/.mega | sh -s - -A VIM1 -m volumio.last > VIM1.volumio.auto.installation.img

generate VIM3L autoinstall image from local kresq file 

    curl -sfL dl.khadas.com/.mega | sh -s - -A VIM3L ./VIMx.Volumio.last.emmc.kresq > VIM1.volumio.auto.installation.img

noop mode and match usage

    curl -sfL dl.khadas.com/.mega | sh -s - -n VIM1 -m volumio

## ABOUT

    + https://dl.khadas.com/Firmware/Krescue/mega/README.megaimage_online.txt
    + https://dl.khadas.com/Firmware/Krescue/mega
    + https://dl.khadas.com/Firmware/Krescue/system
    + https://github.com/hyphop/khadas-rescue/blob/master/docs/README-linux-krescue-mega.md