The X window system (or X11, based on its current major version being 11) is a computer software system and network protocol that provides a basis for GUIs, commonly on Unix based systems.

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How can I install tk on OS X?

I am getting warnings and empty popup boxes when compiling and loading R packages that depend on tk. They say that tk was not installed correctly. I am using homebrew, but I can't tell which package ...
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Install X11 version of Firefox on OSX 10.8.2

I'm trying to install a x11-enabled version of Firefox on my OSX 10.8.2, so it can integrate nicely with xmonad. My problem: Firefox in macports is extremely old (7.x) and building 17.x from source ...
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550 views

XQuartz startup very slow

I use Xquartz.app (latest stable version, 2.77) fairly regularly. In Yosemite (fresh install) I've noticed that it takes a long time to start up (I've got a SSD so it shouldn't take so long to ...
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Help getting Nautilus running under MacPorts

I have been trying to run Nautilus on OS X 10.6.8 without any luck. First, I installed MacPorts, then installed Nautilus. However when I try to run it from the command line, I am getting an error. I ...
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X11 app launching seemingly randomly

Since a month or two, I started seeing an X11 icon in my dock. Killing it does not kill any other app. Is there any way to see what process launches this app?
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X takes a long time to load under Lion

I recently upgraded to Lion. X now takes a couple of minutes to load. Anybody know what to change to make this go faster?
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X.Org vs. XQuartz - MacPorts

After installing MacPorts and some software through that way, I noticed that MacPorts installed X.Org. I've already installed XQuartz years ago and I'm really fine with it. My 1. question is: Do I ...
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X11 Mouse Acceleration setting

X11 that I am using (XQuartz 2.7.5 (xorg-server 1.14.4)) with Yosemite has very high acceleration with the mouse (external or trackpad). Is there a way to lower the acceleration or remove it all ...
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How to open GUI applications on remote machine logged in via SSH on OS X

I am logging into a remote Fedora 12 machine via SSH. I have enabled X11 forwarding by passing -X parameter to ssh. I also tried trusted forwarding with -Y. Both of them fail with (gedit:3711): ...
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ssh -X without/with using xquartz

I would like to know if OSX supports ssh -X right out of the box? Using the command launches XQuartz and interestingly both are NOT working: e.g. displaying pdf files returning : evince foo.pdf ...
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Wireshark keyboard layout is incorrect

I just installed Wireshark Version 1.12.0 (v1.12.0-0-g4fab41a from master-1.12) on OSX 10.9.4 with XQuartz 2.7.7. Wireshark is doing something zany with my keyboard layout, but other X11 ...
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How to 'startx' from Single User Mode?

I usually run dwm inside Xquartz on OS X Mountain Lion 10.8. But is there a way to boot into Safe Mode (or a console), then startx or xinit, skipping Aqua? I'd like to boot directly into X11.
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X11 forwarding on Yosemite

X11 forwarding has stopped working since I upgraded to Yosemite. I tried reinstalling XQuartz, but that did not solve the problem. Has anyone faced the same problem? EDIT: I was finally able to fix ...
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com.apple.WebKit.WebContent spawns itself periodically stealing focus

Ever since I switched to Mavericks I experience a problem with keyboard focus when using X11 based apps (that's at least how it manifests) I have narrowed it down to Safari's ...
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X forwarding application shows blank window after one successful load

I'm running into a strange issue trying to forward an application from a remote Linux server over X (through ssh). The application (it is a java application---a commercial program, not my own) seems ...
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Poor X Windows performance

I use Macs a lot to host applications running on Linux boxes via X Windows, but tend to find that, after some period of time, I can no longer open new X Windows clients on the Mac - I get messages ...
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X11 keeps crashing with “Cannot establish any listening sockets”, I cleared /tmp but it still crashes

Started X11 on Lion today, now it keeps crashing over and over - can't get it to stop. Cannot establish any listening sockets 1) is there any way to stop this over and over again? 2) is there a ...
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Gimp crashing while text editing

i'm having problem with GIMP.app. When editing fonts, aplication crashing. I tried to install newest XQuartz but this didn't help me. Process: GIMP-bin [1166] Path: ...
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How to open a file with x11 applications

I need to use Evince for pdf and djvu files, so I installed it with MacPorts. However, whenever I want to open a pdf in Evince, I have to open x11 and navigate to the document and open it. Is there ...
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xrandr settings and XQuartz In Multi-monitor Yosemite Environment

I am currently struggling with an inability to move Xquartz (either latest stable or latest development) windows in the top third or so of my screen, as also described by another user. My current ...
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XQuartz El Capitan not setting $DISPLAY for a Vagrant built VM

I've built multiple VMs with Vagrant (CentOS, ArchLinux, Debian), all exhibit the same problem: When I ssh onto the VM, 0;vagrant@archlinux: ~vagrant@archlinux:~$ echo $DISPLAY ...
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gnuplot X11 windows out of screen

I'm using gnuplot 5.0 on OSX 10.10.5 and the last version of XQuartz 2.7.8. When I try to plot with gnuplot ">plot x". It open an X11 windows to display the plot. However the window is out of the ...
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cursor hide on X11 machine through VNC link freezes window

This question is at the interface between the Linux and OS X communities, though I'm pretty sure that the bug is on the Apple Side. I run a number of VPSes, and I use Apple's "Go > Connect to Server ...
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ssh -X fails to start x11 forwarding if x11 is not already running

When I try to ssh -X user@someserver using Terminal.app, x11 does not open and run. I am running OSX 10.10.4 and XQuartz 2.7.7. Previously when I used 10.6.8, x11 would automatically open and run ...
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Out of storage space in X11 app

I have a app that runs in X11 and it seems to be ok except that I get out of space issues even though I have plenty of space on my home drive. Is there some setting or way to increase this? Please ...
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Why does x11 force a maximum window height?

When I open an x11 window via ssh on my Mac, I cannot drag the window wherever I want on the screen - there is some invisible border / vertical bar that I can't seem to cross. How can I resize and ...
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Latex xdvi Error

I am new to Unix and am trying to use LaTeX. I am having a problem with xdvi. Every time I try to use it I get the error message: Error: Can't open display: I have a mac and I have Xcode installed. ...
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Full screen mode for non-Cocoa applications?

Is there any way to hack a full screen mode in non-Cocoa applications? For instance, Wineskin or ported applications that run in X11 will probably never get support to run in its own space.
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Cabal won't configure X11 in Mountain Lion

I need to run cabal install X11 >=1.5.0.0 && <1.6 But it fails when configuring: Resolving dependencies... Configuring X11-1.5.0.1... configure: WARNING: unrecognized options: ...