LinuxLaptop.md

autostart scripts when some devices added

• make a user systemd service to '/usr/lib/udev/rules.d'
  • https://askubuntu.com/questions/1228950/script-run-by-udev-rule-fails

autostart scripts when wake up

• use a system service
  • https://unix.stackexchange.com/questions/152039/how-to-run-a-user-script-after-systemd-wakeup

xorg tearing free conf

• use dri3
  • https://askubuntu.com/questions/1234026/screen-tearing-on-ubuntu-xorg-20-04-with-intel-graphics

debian variants korean key settings

• edit /etc/default/keyboard
  • XKBOPTIONS="ctrl:nocaps,korean:ralt_hangul"
• then run, 'sudo dpkg-reconfigure -phigh console-setup'

model enable

• mmcli -L
• mmcli -m 0 -d
• echo "at@nvm:fix_cat_fcclock.fcclock_mode=0" > /dev/ttyACM0
• mmcli -m 0 -e

limiting system resources with systemd and cgroup

• make a slice file to ~/.config/systemd/user

[Slice]
AllowedCPUs=0-2
CPUQuota=50%
MemoryLimit=1G
MemoryMax=1G
MemoryHigh=500M

• editing the desktop file's Exec argument like '/usr/bin/systemd-run --user --slice=slack.slice /usr/bin/slack %U'