ssh client

ssh 아이디@주소 -p 포트
접속이 안될경우
서버측
/etc/host.allow
/etc/host.deny
에서 허가, 거부 설정

change capslock into ctrl with xmodmap

vi ~/.Xmodmap



!
! change capslock into ctrl
!
keycode 66 = Control_L
clear Lock
add Control = Control_L
keycode 117 = Caps_Lock
add Lock = Caps_Lock

grub settings

sudo vi /etc/default/grub

#GRUB_HIDDEN_TIMEOUT=0



주석 해제

sudo update-grub

linux laptop power management

tlp
sudo apt install tlp tlp-rdw
sudo tlp satart

tlp-rdw
radio management

touchpad scroll speed

with netural scroll negative~1

synclient VertScrollDelta=-80 HorizScrollDelta=-80

16.04 gnome touchpad tab to click

gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true 

from https://askubuntu.com/questions/971517/synaptics-touchpad-tap-to-click-is-not-working-in-ubuntu-16-04-lts-gnome/971519

16.04 steam 오류

STEAM_RUNTIME is enabled automatically Installing breakpad exception handler for appid(steam)/version(0) libGL error: unable to load driver: radeonsi_dri.so libGL error: driver pointer missing libGL error: failed to load driver: radeonsi libGL error: unable to load driver: swrast_dri.so libGL error: failed to load driver: swrast

일때 amd gpu와 라이브러리가 호환 되지 않아서 생기는 문제

~/.steam/steam/ubuntu12_32/steam-runtime/i386/usr/lib/i386-linux-gnu/
후
libstdc++.so.6 파일 삭제

rm libstdc++.so.6