Realtek wifi not working properly in ubuntu 23. Add following file.

usr/lib/modprobe.d$ pwd
/usr/lib/modprobe.d

 

/usr/lib/modprobe.d$ cat 70-rtw89.conf
options rtw89_pci disable_clkreq=y disable_aspm_l1=y disable_aspm_l1ss=y

 Set wifi.powersave to 2 to disable powersave

 

sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf 

NM_SETTING_WIRELESS_POWERSAVE_DEFAULT (0): use the default value
NM_SETTING_WIRELESS_POWERSAVE_IGNORE  (1): don't touch existing setting
NM_SETTING_WIRELESS_POWERSAVE_DISABLE (2): disable powersave
NM_SETTING_WIRELESS_POWERSAVE_ENABLE  (3): enable powersave 

 

Armbian Linux on RK3318 tv box

To install Armbian linux on RK3318 tv box

https://forum.armbian.com/topic/26978-csc-armbian-for-rk3318rk3328-tv-box-boards/

 Enabling adoptable storage on android phone

adb shell
sm list-disks
// HERE YOU GET YOUR DISK ID, SOMETHING LIKE "disk:179,64" - REMEMBER THOSE NUMBERS
sm set-force-adoptable true
// IN NEXT LINE, SIMPLY PUT THOSE NUMBERS AFTER "disk:" AND ALSO AFTER WORD "mixed" TYPE PERCENTAGE OF SPACE LEFT AS EXTERNAL, SO IN MY CASE:
sm partition disk:179,64 private
// IT TAKES TIME. BE PATIENT. WITH THIS LINE I TRANSFORMED WHOLE EXTERNAL SD INTO 40% OF INTERNAL AND 60% OF EXTERNAL
sm set-force-adoptable false

Keyboard color for Ubuntu 20 on Clevo made laptop

 Checkout source and compile

git clone https://github.com/tuxedocomputers/tuxedo-keyboard.git

cd tuxedo-keyboard

git checkout release

make clean

sudo make dkmsinstall

modprobe tuxedo_keyboard

sudo cp tuxedo_keyboard.conf /etc/modprobe.d/tuxedo_keyboard.conf

Load module on startup

sudo su

echo tuxedo_keyboard >> /etc/modules 

Contents of tuxedo_keyboard.conf 

options tuxedo-keyboard mode=0 brightness=75 color_left=0x6666ff color_center=0xFFFFFF color_right=0x6666FF color_extra=0x666FF
 

For keyboard with single zone color. Use parameter color_extra.

cat /etc/modprobe.d/tuxedo_keyboard.conf
options tuxedo-keyboard mode=0 brightness=75 color_left=0x6666ff color_center=0xFFFFFF color_right=0x6666FF color_extra=0x666FF
 

Kyoto