xtrace
trace communication between X client and server
RUN apt-get update && \
apt-get install -y xtrace
RUN apt-get update && \
apt-get install -y xtrace
RUN pacman -S --noconfirm xtrace
RUN apt-get update && \
apt-get install -y xtrace
RUN yum install -y xtrace
RUN dnf install -y xtrace
RUN apt-get update && \
apt-get install -y xtrace