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Created Create DevTerm A06 OS image from scratch (markdown)

GNU 2021-09-26 18:27:39 +08:00
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# Intro
DevTerm A06 os image based on Armbian with current kernel branch, XFCE desktop
and it is better to run a Ubuntu 21.04 in a VirtualBox with a good bandwidth network to do all the jobs
If the condition of the network is not so well,
the Armbian build process will fail on some packages downloading or mirrors connecting
The entire operation requires a certain experience in linux
be careful
# Build armbian image for A06
```
cd ~
git clone https://github.com/armbian/build.git
git clone https://github.com/clockworkpi/DevTerm.git
cd build
git apply ~/DevTerm/Code/patch/armbian_build_a06/patch/armbian.patch
cp ~/DevTerm/Code/patch/armbian_build_a06/patch/kernel*.patch userpatches/kernel/rockchip64-current/
cp ~/DevTerm/Code/patch/armbian_build_a06/patch/uboot*.patch userpatches/u-boot/u-boot-rockchip64-mainline/
#Then exec ./compile.sh under armbian build
cd ~/build && ./compile.sh
```
# Chroot image
```
sudo losetup -P /dev/loop0 Armbian_21.08.0-trunk_Clockworkpi-a06_focal_current_5.10.55_xfce_desktop.img
sudo mount /dev/loop0p1 /mnt/p1
cd /mnt/p1
sudo mount --bind /dev dev/
sudo mount --bind /sys sys/
sudo mount --bind /proc proc/
sudo mount --bind /dev/pts dev/pts
sudo mv etc/ld.so.preload etc/ld_so_preload
sudo chroot .
```
## Inside Chroot
```
sudo apt install wget -y
wget -O - https://raw.githubusercontent.com/clockworkpi/apt/main/debian/KEY.gpg | sudo apt-key add -
echo "deb https://raw.githubusercontent.com/clockworkpi/apt/main/debian/ stable main" | sudo tee -a /etc/apt/sources.list.d/clockworkpi.list
sudo apt update
sudo apt install devterm-fan-daemon-cpi-a06 devterm-thermal-printer devterm-thermal-printer-cups devterm-wiringpi-cpi
```
### /boot/ArmbianEnv.txt
```
bootlogo=false
extraargs=fbcon=rotate:1
...
```
### autologin
```
sudo bash -c 'cat <<EOF > /etc/lightdm/lightdm.conf.d/12-autologin.conf
[Seat:*]
autologin-user=cpi
autologin-user-timeout=0
EOF'
```
### config lightdm
```
sudo bash -c 'cat << EOF > /etc/lightdm/lightdm.conf.d/13-rotate-dsi.conf
[Seat:*]
greeter-setup-script=/etc/lightdm/setup.sh
EOF'
sudo bash -c 'cat <<EOF >/etc/lightdm/setup.sh
#!/bin/bash
xrandr --output DSI-1 --rotate right
exit 0
EOF'
sudo chmod +x /etc/lightdm/setup.sh
```
### config xrandr
```
sudo bash -c 'cat << EOF > /etc/X11/Xsession.d/100custom_xrandr
xrandr --output DSI-1 --rotate right
EOF'
```
### additional software
```
sudo apt remove celluloid mpv
sudo apt install -y arandr chromium-browser vlc cpupower-gui
```
### /etc/default/apport
`enable=0`
# Quit Chroot
```
exit
sudo mv etc/ld_so_preload etc/ld.so.preload
sudo umount /mnt/p1/dev/pts
sudo umount /mnt/p1/dev
sudo umount /mnt/p1/proc
sudo umount /mnt/p1/sys
##clear bash
sudo rm -rf root/.bash_history
sudo rm usr/bin/qemu-arm-static
cd -
sudo umount /mnt/p1
```
# Flash the image to SD card
* Linux
`sudo dd if=Armbian_21.08.0-trunk_Clockworkpi-a06_focal_current_5.10.55_xfce_desktop.img of=/dev/sdX bs=8M status=progress`