Fix MobaXterm X11 proxy Unsupported authorisation protocol

x11 kvm

The error happened when I use sudo virt-manager.

Solution

1. Add user to groups kvm and libvirt to avoid sudo
2. Copy ~/.Xauthority to /root/

Reference:
https://superuser.com/questions/1563911/why-do-only-some-applications-generate-mobaxterm-x11-proxy-unsupported-authori

Written on February 4, 2021