MIT-SHM extension, docker and shared memory

[bedrin]

Document pitfalls.
Can we use --ipc=host ?
Would --pid=host help ?

[bedrin]

https://github-wiki-see.page/m/mviereck/x11docker/wiki/Short-setups-to-provide-X-display-to-container

[bedrin]

QT_X11_NO_MITSHM=1

[bedrin]

Disable shared memory on X Client side:

X11_NO_MITSHM
J2D_USE_MITSHM
 --no-xshm
QT_X11_NO_MITSHM=1

[bedrin]

Or `--ipc=container:docker-x-server'