config.md

- display resolution

open:

sudo nano /boot/firmware/usercfg.txt

add:

disable_overscan=1

make new display

cvt 1920 1080
xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
xrandr --addmode default 1920x1080_60.00

to add perminently, create the file

~/.xprofile

add

#!/bin/sh
xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
xrandr --addmode default 1920x1080_60.00

- bluetooth

sudo apt install pi-bluetooth

- ssh

sudo systemctl enable ssh
sudo systemctl start ssh

open:

sudo nano /etc/ssh/sshd_config

chage: (#PasswordAuthentication yes) -> (PasswordAuthentication no)

service sshd restart

- software-center

sudo apt install ubuntu-software
sudo apt install gnome-software

- csi camera

open:

sudo nano /boot/firmware/config.txt

add:

gpu_mem=512
disable_camera_led=1
start_file=start4x.elf
fixup_file=fixup4x.dat

reboot

sudo reboot