qluman-qt
from a login node using SSH with X11 forwarding.
sudo nano /etc/ssh/sshd_config
Ensure the following lines are present and not commented (#
):
X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost no
💡
X11UseLocalhost no
is optional but may help in some environments where forwarding does not work properly withlocalhost
.
Save and exit (Ctrl+O
, Enter
, Ctrl+X
).
sudo systemctl restart ssh
DISPLAY
variable:- echo $DISPLAY
Expected output (example):
localhost:10.0
If DISPLAY
is set, X11 forwarding is active in your session.
qluman-qt
via X11 ForwardingThen connect to the head node with X11 forwarding and launch the application:
ssh -X root@servername qluman-qt
​
Replaceservername
with your head node’s hostname or IP.