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Created Create DevTerm A04 OS image from scratch (markdown)
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Create-DevTerm-A04-OS-image-from-scratch.md
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Create-DevTerm-A04-OS-image-from-scratch.md
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# Generate the prototype os image
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```
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cd ~
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git clone https://github.com/armbian/build.git
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git clone https://github.com/clockworkpi/DevTerm.git
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cd build
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git reset --hard 5fa022603c0948cc59688ba782b3711f980a0be3
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cp -rf ~/DevTerm/Code/patch/armbian_build_a04/userpatches/* userpatches/
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cp -rf ~/DevTerm/Code/patch/armbian_build_a04/config/boards/* config/boards/
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cp -rf ~/DevTerm/Code/patch/armbian_build_a04/config/kernel/* config/kernel/
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#Then exec ./compile.sh under armbian build
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cd ~/build && ./compile.sh
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```
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after image done
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uncompress the
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`linux-dtb-current-sunxi64_21.11.0-trunk_arm64.deb`
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`linux-image-current-sunxi64_21.11.0-trunk_arm64.deb`
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and then combine all files ,all the postinst, preinst,prerm,postrm
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to be one `devterm-kernel-current-cpi-a04.deb`
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the reason is if not doing this , `apt-get upgrade` will replace the linux-dto,linux-image* in future, which will cause boot failed
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so to keep a04 linux kernel in safe , I made devterm-kernel-current-cpi-a04
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# Prepare to chroot into the image
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```
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sudo losetup -f # find the avaiable loop device number,eg:loop11
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sudo losetup -P /dev/loop11 ~/build/output/images/Armbian_21.11.0-trunk_Clockworkpi-a04_hirsute_current_5.10.75_xfce_desktop.img
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sudo mount /dev/loop11p1 /mnt/p1/
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cd /mnt/p1
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sudo mount --bind /dev dev/
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sudo mount --bind /sys sys/
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sudo mount --bind /proc proc/
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sudo mount --bind /dev/pts dev/pts
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sudo chroot .
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```
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## Inside chroot
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(inside)
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### Preset cpi username and password
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```
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sh /etc/profile.d/armbian-check-first-login.sh
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sudo apt install -y devterm-kernel-current-cpi-a04
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apt install -y xfce4-power-manager
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touch /home/cpi/.first_start
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chown cpi:cpi /home/cpi/.first_start
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```
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### Allow sudo cpi without password prompt
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```
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echo -e "cpi\tALL=(ALL:ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/cpi
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```
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### config xrandr
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```
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sudo bash -c 'cat << EOF > /etc/X11/Xsession.d/100custom_xrandr
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xrandr --output DSI-1 --rotate right
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xrandr --output None-1 --rotate right
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EOF'
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```
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### config lightdm
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#### autologin
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```
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sudo bash -c 'cat <<EOF > /etc/lightdm/lightdm.conf.d/12-autologin.conf
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[Seat:*]
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autologin-user=cpi
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autologin-user-timeout=0
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EOF'
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```
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```
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sudo bash -c 'cat <<EOF > /etc/lightdm/lightdm.conf.d/13-rotate-dsi.conf
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[Seat:*]
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greeter-setup-script=/etc/lightdm/setup.sh
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EOF'
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```
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```
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sudo bash -c 'cat <<EOF >/etc/lightdm/setup.sh
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#!/bin/bash
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xrandr --output DSI-1 --rotate right
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xrandr --output None-1 --rotate right
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exit 0
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EOF'
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sudo chmod +x /etc/lightdm/setup.sh
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```
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#### config lightdm background
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```
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sudo sed -i '/background/c\background = #202020' /etc/lightdm/slick-greeter.conf
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```
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### Disable app crash report dialog
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```
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sudo sed -i '/enabled=1/c\enabled=0' /etc/default/apport
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```
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### Hide suspend button
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cd /home/cpi/.config/xfce4/xfconf/xfce-perchannel-xml
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```
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sudo sed -i 's/\(name\=\".*ShowSuspend.*\"\s\)value="\(true\|false\)"/\1value=\"false\"/gi' xfce4-session.xml
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sudo sed -i 's/\(type\=\".*string.*\"\s\)value="\(+suspend\)"/\1value=\"-suspend\"/gi' xfce4-panel.xml
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```
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### Add framebuffer console rotate /boot/armbianEnv.txt
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```
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extraargs=fbcon=rotate:1
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```
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### Change ssh login banner
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In `/etc/update-motd.d/10-armbian-header`
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```
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TERM=linux toilet -f standard -F metal $(echo $BOARD_NAME | sed 's/Orange Pi/OPi/' | sed 's/NanoPi/NPi/' | sed 's/Banana Pi/BPi/' | sed 's/Clockworkpi A04/Clockworkpi/')
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```
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### Import clockworkpi apt repo
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```
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wget -O - https://raw.githubusercontent.com/clockworkpi/apt/main/debian/KEY.gpg | sudo apt-key add -
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echo "deb https://raw.githubusercontent.com/clockworkpi/apt/main/debian/ stable main" | sudo tee -a /etc/apt/sources.list.d/clockworkpi.list
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```
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### Install devterm packages
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```
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sudo apt update
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sudo apt install devterm-wiringpi-cpi-a04 devterm-thermal-printer devterm-thermal-printer-cups devterm-first-start-a04 devterm-fan-daemon-cpi-a04
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```
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### Disable sshd
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```
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sudo touch /etc/ssh/sshd_not_to_be_run
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```
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### Install ibus input method for CJK
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`sudo apt install ibus ibus-pinyin ibus-gtk ibus-gtk3 -y`
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```
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cat <<EOF >~/.config/autostart/ibus.desktop
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[Desktop Entry]
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Exec=ibus-daemon -drxR
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GenericName=IBus
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Name[zh_CN]=IBus
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Name=IBus
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Name[en_US]=IBus
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StartupNotify=true
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Terminal=false
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Type=Application
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EOF
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```
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```
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sudo bash -c 'cat <<EOF >/etc/profile.d/ibus.sh
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#!/bin/bash
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export XIM_PROGRAM=ibus
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export XIM=ibus
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export XMODIFIERS=@im=ibus
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export GTK_IM_MODULE=ibus
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export QT_IM_MODULE=ibus
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EOF'
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```
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### GDM3
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due to the panfrost screen flashing issue with lightdm,use gdm3 instead of lightdm
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` sudo apt install gdm3`
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```
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sudo bash -c 'cat <<EOF > /usr/share/gdm/greeter/autostart/01_rotate.desktop
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[Desktop Entry]
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Version=1.0
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Type=Application
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Name=Rotate Screen
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Exec=/etc/lightdm/setup.sh
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Terminal=false
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NoDisplay=true
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EOF'
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```
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## gdm3 background and hide poweroff,suspend
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In `/etc/gdm3/greeter.dconf-defaults `
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```
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...
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[org/gnome/desktop/background]
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picture-options='none'
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primary-color='#222222'
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...
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[org/gnome/login-screen]
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disable-restart-buttons=true
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```
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## libreoffice fix for panfrost issue
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` sudo apt install libreoffice-gtk3 `
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# Exit from chroot
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```
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exit
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(out)
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sudo umount /mnt/p1/dev/pts
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sudo umount /mnt/p1/dev
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sudo umount /mnt/p1/proc
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sudo umount /mnt/p1/sys
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##clear bash
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sudo rm -rf root/.bash_history
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sudo umount /mnt/p1
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sudo losetup -D /dev/loop11
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```
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