Ubuntu + Auto Login + Openbox + Screen Resolution +Autostart GUI application

.xprofile

# ~/.xprofile

# Screen Resolution 
xrandr -s 1280x720

# Disable Screensavers and Energy Management
# Use `xset q` to see if it succeded. See ~/.xsession-errors to check errors when startup.

# ... Donno why Ubuntu work but Lubuntu doesn't... 
xset dpms 0 0 0 && xset s noblank && xset s off

## Dirty workaround, but it works.
(sleep 10 && xset s off) &
(sleep 10 && xset s noblank) &

10-monitor.conf

# $ mkdir -p /etc/X11/xorg.conf.d/
# /etc/X11/xorg.conf.d/10-monitor.conf
# (Fucking useless)
# https://wiki.archlinux.org/index.php/Display_Power_Management_Signaling
Section "Extensions"
    Option      "DPMS" "Disable"
EndSection

apport

# disable “System Program Problem Detected” Messages
# /etc/default/apport

# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0

lightdm.conf

# (LightDM) Auto Login ===============
# /etc/lightdm/lightdm.conf

[SeatDefaults]
autologin-user=YOUR_USER_NAME
autologin-user-timeout=0
user-session=openbox

# disable the fucking screen saver
# https://www.geeks3d.com/hacklab/20160108/how-to-disable-the-blank-screen-on-raspberry-pi-raspbian/
xserver-command=X -s 0 -dpms

ui.desktop

# Auto start GUI application ===========
# ~/.config/autostart/ui.desktop

[Desktop Entry]
Type=Application
Name=Embedded UI
Comment=UI for Embedded Touch Screen
Exec=sh -c "~/embeddedui-linux-x64/embeddedui"