- 증상: 멀쩡히 작동하던 컴퓨터가 재부팅을 했는데, 디스플레이 매니져 failed 가 뜨면서, 부팅이 되지 않음, 재부팅을 해도 커서만 껌뻑임.
- 원인:
- DM 설정 깨짐.
- 멀티 GPU상에서 더 많이 발생하는 것 같음
 
- 해결:
- 켜진 상태에서 전원 선을 뽑았다가 다시 꽂아야 복구모드에 빠질 수 있는 메뉴(GRUB)가 나옴
- tty 모드(ctrl+alt+F2) 접근
 
- lightdm, xorg 관련 패키지들을 지웠다가 다시 깜
sudo pacman -S yay
- 필요 소스코드 다운로드
git clone https://aur.archlinux.org/package-query.git && git clone https://aur.archlinux.org/yaourt.git
- 
증상 - Manjaro와 같은 아치리눅스 설치 후 nvidia드라이버를 설치(sudo pacman -Syu nvidia)하면 화면이 검기만 함
- 재부팅을 해도 로그인 화면이 나올 타이밍에 까만 화면만 업나오거나 커서만 깜빡인다.
 
- 
원인 - 그래픽 드라이버는 제대로 설치 되었는데 셋팅 파일이 수정이 안되서 생기는 문제
 
ref: https://github.com/zsh-users/zsh-autosuggestions/blob/master/INSTALL.md
- zsh 및 플러그인 설치 (manual 설치)
sudo apt install zsh
git clone https://github.com/zsh-users/zsh-autosuggestions ~/.zsh/zsh-autosuggestions
source ~/.zsh/zsh-autosuggestions/zsh-autosuggestions.zshhttps://medium.com/@vsimon/how-to-install-chrome-remote-desktop-on-ubuntu-18-04-52d99980d83e
- Install google-chrome-stable
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo dpkg -i google-chrome-stable_current_amd64.deb
  
    
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  | 에러메세지: Fained to get D-Bus connection : No connection to service manager | |
| 해결방법: | |
| 1. 컨테이너 run 옵션에 command /sbin/init 로 실행 | |
| 2. Dockerfile 만들때 CMD ["/"] | |
| 참고: https://m.blog.naver.com/alice_k106/220395077738 | 
  
    
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  | Processing triggers for initramfs-tools (0.122ubuntu8.14) ... | |
| update-initramfs: Generating /boot/initrd.img-4.4.0-137-generic | |
| WARNING: missing /lib/modules/4.4.0-137-generic | |
| Ensure all necessary drivers are built into the linux image! | |
| depmod: ERROR: could not open directory /lib/modules/4.4.0-137-generic: No such file or directory | |
| depmod: FATAL: could not search modules: No such file or directory | |
| cat: /proc/cmdline: Permission denied | |
| Label cloudimg-rootfs not found in /dev/disk/by-label | |
| Warning: root device LABEL=cloudimg-rootfs does not exist | 
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