Toaster tutorial for tangleid and mender-dmeo
===

{%youtube gwkMVea3_YU %}

- create project
- add meta-layers
- add layers in layerindex
- `meta-mender-core`
- `meta-mender-demo`
- `meta-mender-qemu`
- add layers in git repository
- `meta-tangleid`
- config `MACHINE`
- vexpress-qemu
- config `IMAGE_FSTYPES`
- mender
- sdimg
- config variable

#### variables for mender

| Variable | value | remark |
| -------- | -------- | -------- |
| ARTIFACTIMG_FSTYPE | ext4| |
| DISTRO_FEATURES_BACKFILL_CONSIDERED | sysinit |
| DISTRO_FEATURES_append | systemd |
| VIRTUAL-RUNTIME_init_manager | systemd ||
| INHERIT | mender-full |
| MENDER_DEMO_HOST_IP_ADDRESS | | e.g.192.168.1.1 |
| MENDER_ARTIFACT_NAME | | artifact version name |

#### varibalbes for tangleid

| Variable | value | remark |
| -------- | -------- | -------- |
| TANGLEID_BACKEND | | backend server url |
| TANGLEID_UUID | | set UUID |

- build image
- select image type
- start building

- download imgag
- sdimg
- u-boot.elf

- run qemu

from [meta-mender/meta-mender-qemu/script/mender-qemu](https://github.com/mendersoftware/meta-mender/blob/master/meta-mender-qemu/scripts/mender-qemu)

QEMU_AUDIO_DRV=none qemu-system-arm -m 256M \
-kernel ${u-boot elf file name}.elf -net nic,macaddr=${replace you want} \
-net user,hostfwd=tcp::8822-:22 -display vnc=:23 \
-nographic -M vexpress-a9 \ 
-drive file=${image name}-vexpress-qemu.sdimg,if=sd,format=raw