Raspberry Pi usage log

Raspberry Pi usage log

Booting setup
=====
1. expand_rootfs Expand root partition to fill SD card(*** necessary) 
to use the SD card fully and improve the execution performance

02. configure_keyboard Set keyboard layout(*** necessary, for direct keyboard connection), *option(for SSH connection, the SSH client will handle the keymap)
RPi default with UK keyboard and some character is not match the US keyboard layout. To select the US keymap to solve it

03.change_pass Change password for 'pi' user(*option)
RPI default account and password is "pi" and "raspberry"

04.boot_behaviour Start desktop on boot?(*option)
To save the computing resource, run the terminal mode(SSH login) as default. (Should we boot straight to desktop? No), "startx" restart the X Window

ps. run "sudo raspi_config" to start the menu again later time