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~~tag>VIM4 oowow~~
====== VIM4 Install OS into eMMC via OOWOW ======

OOWOW provide many ways for eMMC writing, for any configurations.

===== GUI =====

Common OOWOW menu interface available for HDMI display and USB-keyboard.

==== Wizard ====

OOWOW Wizard automate all steps for you, just follow instructions.

==== Write Image to eMMC ====

More advanced way user can choose any suitable image from different locations: local storage SD/USB/... , network storage or download server.

{{/products/sbc/vim4/install-os/oowow-emmc-write.webp}}

===== WEB GUI =====

Same OOWOW menu interface get via web by your preferred browser:

  * LAN: ''%%http://vim4-XXXXX.local%%'' - [[#scan-local-network-for-vim4-names]]
  * USB: ''%%http://172.22.1.1%%''
  * Hot-Spot: ''%%http://172.23.0.1%%''
===== API - shell =====

All next steps doing on pc side by command-lines shell. Both devices must be connected in same local network.

<WRAP tip >
Advanced way for developer, head-less usage, automation, scripting and advanced users.
</WRAP>

==== Write via USB-OTG connection ====

<WRAP tip >
VIM4 connected by USB to PC always have full access by USB IP: 172.22.1.1 
</WRAP>

```sh api-write-image-to-emmc-by-usb-connection.sh
curl 172.22.1.1/shell/write | sh -s - IMAGE
```

==== Write via Hot-Spot WAN connection ====

<WRAP tip >
VIM4 connected as Hot-Spot have full access by WAN IP: 172.23.0.1 
</WRAP>

```sh api-write-image-to-emmc-by-wan-hotspot-connection.sh
curl 172.23.0.1/shell/write | sh -s - IMAGE
```

==== Write via LAN connection ====

<WRAP tip >
VIM4 by local network name vim4-XXXXX can get  [[#scan-local-network-for-vim4-names]].
</WRAP>

```sh api-write-image-to-emmc-by-lan-connection.sh
curl vim4-XXXXX/shell/write | sh -s - IMAGE
```

===== Scan local network for vim4 names =====

We can get access to any VIM4 device by local network name.

```shell scan-vim4-devices-in-local-networks.sh
~$ avahi-browse -a |grep vim4
+  wlan0 IPv4 vim4-00064                                    SSH Remote Terminal  local
+   usb0 IPv4 vim4-00064                                    _device-info._tcp    local
+   usb0 IPv4 vim4-00064                                    SSH Remote Terminal  local
+  wlan0 IPv4 vim4-00064                                    _device-info._tcp    local
~$ ping vim4-00064.local
~$ ssh root@vim4-00064.local
...
```

Any time can get right name for your device ''vim4-XXXXX.local'' where XXXXX is a last 5 digits from device serial number.