J'obtiens le même message.
De la machine Ubuntu:
thierry@thierry-VirtualBox:~$ xeyes -display 192.168.0.77:0.0
Error: Can't open display: 192.168.0.77:0.0
De ma Leap:
thierry@toto-PC:~> xeyes -display 192.168.0.208:0.0
Error: Can't open display: 192.168.0.208:0.0
man xeyes:
NAME
xeyes - a follow the mouse X demo
SYNOPSIS
xeyes [-option ...]
DESCRIPTION
Xeyes watches what you do and reports to the Boss.
OPTIONS
-display display
specify the display to use; see X(7).
J'ai été voir le man de X (zypper in xorgs-docs; man X):
DISPLAY NAMES
From the user's perspective, every X server has a display name of the form:
hostname:displaynumber.screennumber
This information is used by the application to determine how it should connect to the server and which screen it should use by default (on displays with multiple monitors):
hostname
The hostname specifies the name of the machine to which the display is physically connected. If the hostname is not given, the most efficient way of communicating to a server on the same machine will be used.
displaynumber
The phrase "display" is usually used to refer to a collection of monitors that share a common set of input devices (keyboard, mouse, tablet, etc.). Most workstations tend to only have one display. Larger, multi-
user systems, however, frequently have several displays so that more than one person can be doing graphics work at once. To avoid confusion, each display on a machine is assigned a display number (beginning at 0)
when the X server for that display is started. The display number must always be given in a display name.
screennumber
Some displays share their input devices among two or more monitors. These may be configured as a single logical screen, which allows windows to move across screens, or as individual screens, each with their own
set of windows. If configured such that each monitor has its own set of windows, each screen is assigned a screen number (beginning at 0) when the X server for that display is started. If the screen number is not
given, screen 0 will be used.
Une ligne intéressante dans le man X:
Finally, most X programs accept a command line option of -display displayname to temporarily override the contents of DISPLAY. This is most commonly used to pop windows on another person's screen or as part of a "remote
shell" command to start an xterm pointing back to your display.
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