Nvidia QUADRO G-SYNC II, Руководство пользователя

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system’s fi rewall is permissive enough to allow remote X11
display connections, or that you’ve con fi gured an alternative
mechanism such as ssh(1) forwarding between the machines.
For the case of listening over TCP, verify that the “-nolisten tcp”
commandline option was not used when starting the X server. You
can
fi nd the X server commandline with a command such as
% ps ax | grep X
If “-nolisten tcp” is on the X server commandline, consult your
Linux distribution documentation for details on how to properly
remove this option. For example, distributions con
fi gured to use
the GDM login manager may need to set “DisallowTCP=false” in
the GDM con
fi guration fi le (e.g., /etc/gdm/custom.conf, /etc/
X11/gdm/gdm.conf, or /etc/gdb/gdb.conf; the exact con fi guration
fi le name and path varies by the distribution). Or, distributions
con fi gured to use the KDM login manager may have the line
ServerArgsLocal=-nolisten tcp
in their kdm
fi le (e.g., /etc/kde3/kdm/kdmrc). This line
can be commented out by prepending with “#”.

The system driving nvidia-settings can locate and has display
privileges on the X server that is to be included for frame lock.
A system can gain display privileges on a remote system by executing
% xhost +
on the remote system. See the xhost(1) man page for details.
NVIDIA Quadro G-Sync II User Guide
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