If so, when is the socket getting clobbered? If so, is the job completing successfully (ie, is there a socket at some point) So I think the troubleshooting steps should be:Ĭonfirm you have the Launch Agent in the correct location (/Library/LaunchAgents/.plist) ĭetermine if launchd is running the job (ie, are permissions correct, etc, etc) For what it's worth, I've just confirmed that the socket is supposed to be launched by a User Launch Agent named, with the following contents:
Use the following command to compile gtk-example.So like he said, something must be clobbering the $DISPLAY variable. Static void print_hello ( GtkWidget * widget, gpointer data ) It opens a window with a simple button, as shown below the code. The gtk-example.c example program, below, uses gtk+-3. Gtk+-2 is still alive but we recommend the latest version, gtk+-3.īoth versions are ready to use on our CS50 Unix servers, so you need to specify the version to work with at compile time. There are two versions of gtk+ libraries: gtk+-2(version 2) and gtk+-3(version 3). If you need a GUI (graphical user interface), we recommend the gtk+ library, which is a popular UI toolkit for the X11 window system. Using X-windows Your first GTK+ application The Xauthority file will be configured automatically at the first run.įrom then on, the warning should not appear. Xpdf will open a pdf viewer in X windows system on your local computer.Ī warning may show up saying $Home/.Xauthority does not exist if it is your first time to use X11. all the information flows through the ssh tunnel to XQuartz, which renders the windows on your Mac. That is, it sets up a secure tunnel between the program (like xclock) running on the server and the XQuartz application on your Mac the program can create windows, buttons, menus, etc. Ssh -X -X option to ssh sets up X11 forwarding for ssh connections. Log into a CS50 Unix server and launch an X11 application, such as xclock or xemacs. Next, try running an X11 application on one of the CS50 Unix servers. If that does not work immediately, try restarting your computer.ģ. Open XQuartz application from the launchpad on your Mac to see if it is installed correctly. Install XQuartz with command brew cask install xquartz. Install Homebrew Cask with command brew tap caskroom/cask.Ģ. It installs GUI applications under the framework of Homebrew. Homebrew Cask is an extension of Homebrew. Download and install directly from XQuartz.In general, we recommend you to use Homebrew to install and manage packages on MacOS X. You could either install from official website or install with Homebrew. Here we provide two ways to install XQuartz application. On MacOS X, XQuartz enables you to use the X11 window system.
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