[ROS] docker Could not connect to any X display.

 

문제 상황

docker내에서 rviz를 사용하려고 하는데 다음과 같은 오류 코드가 발생하는 경우

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
No protocol specified
qt.qpa.screen: QXcbConnection: Could not connect to display :0
Could not connect to any X display.
root@eddy-desktop:/home/hanwha/mmdet-ros_ws# rviz
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
No protocol specified
qt.qpa.screen: QXcbConnection: Could not connect to display :0
Could not connect to any X display.

해결 방법

docker 실행 전 아래 명령어를 터미널에 입력한다.

xhost +local:docker