How to change screen resolution in kali linux HVM?

[Catt]

I followed the commands in this tutorial and it resulted in this error: “xrandr: Configure crtc 0 failed” when trying to change resolution on external monitor. Is Qubes OS limiting resolution of the qube making it think that it has physical screen of 1920x1080 and scaling up would result in an error?

[apparatus]

If it’s a kali HVM installed from ISO and you want to set a resolution higher than 1920x1080 then you need to increase this qube’s VRAM:

Debian HVM - small screen resolution

Ok, I was able to fix the issue with resolution by increasing the qube’s video ram in Xen config. You can test whatever this will fix it for you as well by running these commands in dom0: sudo mkdir -p /etc/qubes/templates/libvirt/xen/by-name/ cat << 'EOF' | sudo tee /etc/qubes/templates/libvirt/xen/by-name/YourQubeName.xml <!-- import default template--> {% extends 'libvirt/xen.xml' %} <!-- we wanna alter the devices block --> {% block devices %} <!-- import default device block --> {…

[Catt]

Thank you! it works