On Mon, May 03, 2021 at 08:51:51PM +0000, Karsten Pedersen wrote: > It is worth noting that you can move (not copy) UNIX sockets (again, > so long as they are on the same filesystem). > > So, once Xephyr has started up, you can move the socket from > "/tmp/.X11-unix/X1" into "$CHROOT/tmp/.X11-unix/X1" and then your > chroot application can access it.
Assuming root permissions, the above will "succeed" even if $CHROOT is not on the same filesystem as /tmp. Then fail to connect at runtime. Using ln (not ln -s) instead of mv will fail faster if the same-filesystem requirement is not met.
