'ODROID-N2' on this page refers to the ODROID-N2 series (N2, N2+, N2L).
Auto login on HDMI console
- Create a folder /etc/systemd/system/getty@tty1.service.d
- Create a file /etc/systemd/system/getty@tty1.service.d/override.conf
- Open the file with your favorite editor and add this and save.
- target
[Service] ExecStart= ExecStart=-/sbin/agetty --noissue --autologin root %I $TERM Type=idle
- Reboot your system.
Disable screen blank
Using the following instruction, you can disable screen blank.
- target
$ setterm -blank 0 -powerdown 0 -powersave off
If you want to set it permanently, please add consoleblank=0 in bootargs of boot.ini.
Open /media/boot.ini with your favorite editor and add this in the following line.
- target
# Boot Args setenv bootargs "root=UUID=e139ce78-9841-40fe-8823-96a304a09859 rootwait rw ${condev} ${amlogic} no_console_suspend fsck.repair=yes net.ifnam es=0 elevator=noop hdmimode=${hdmimode} cvbsmode=576cvbs max_freq_a53=${max_freq_a53} max_freq_a73=${max_freq_a73} maxcpus=${maxcpus} voutmod e=${voutmode} ${cmode} disablehpd=${disablehpd} cvbscable=${cvbscable} overscan=${overscan} consoleblank=0"
How to play 4K videos on the command line
There are two video players.
kplayer was ported from Amlogic Buildroot BSP.
c2play was ported from Crashoverride
- target
kplayer /media/usb/video/sintel-4096x1744-cfg02_h.265.mkv
or
- target
c2play /media/usb/video/sintel-4096x1744-cfg02_h.265.mkv
How to start your application software automatically
Open /etc/rc.local with your favorite editor and add your application with full path just before exit 0. This example shows how to start PPSSPP emulator automatically.
- target
/root/ppsspp/PPSSPPSDL &
How to change the sound output path
The default sound output is mapped to the HDMI audio.
To change it to the on-board DAC, you have run this command.
PulseAudio configuration with pacmd? or pactl?
Or, alsa mixer?
This link must be helpful.
how-do-you-set-a-default-audio-output-device-in-ubuntu-18-04
If SDL/PPSSPP doesn't work after system update?
You can fix the problem with the following commands for reinstalling broken Mali GPU driver
- target
dpkg -i /root/debs/*.deb /root/mali/install.sh
How to install Mate Desktop on the minimal image
- target
apt install -y ubuntu-mate-desktop
- If Mate desktop panel disappeared, run “mate-panel –replace” on CLI.
- To run Chromium, you have to add a generic user.
An Alternative Way
- target
apt install tasksel tasksel install ubuntu-mate-desktop