X11

X11 is a windowing system for bitmap displays, common on UNIX-like operating systems. It provides the basic framework for a GUI environment, including drawing and moving windows on the display and interacting with a mouse and keyboard.

X11 on Euler¶

Euler supports running graphical applications remotely and displaying their windows on your local workstation using the X11 protocol. To display X11 windows, you need an X11 server running on your workstation (on Linux, this is usually already available; on macOS or Windows, you may need to install one). To enable X11 forwarding to Euler through SSH, use the options listed below.

Linux¶

The X11 server Xorg is normally installed by default as part of most Linux distributions. Connect with

ssh -Y username@hostname

Mac OS X¶

OS X does not include an X11 server. You can install for example XQuartz. The

ssh -Y username@hostname

Windows¶

Windows does not include an X11 server. But there are third-party application that provide that functionality. Here's a list of common X11 servers:

X11 with an interactive job

To forward X11 from an interactive slurm job use the option --x11.

X11 with a container

To forward X11 from a container, you need to make sure that $XAUTHORITY is mounted inside the container with singularity exec -B $XAUTHORITY ....