This is what I get when I try to run that set of commands: `j@j-HP-Notebook:~$ sudo apt install mesa-vulkan-drivers mesa-vulkan-drivers:i386 libvulkan1 libvulkan1:i386 vulkan-tools vkd3d-demos mesa-opencl-icd clinfo libxrandr2 libxrandr2:i386 libvulkan-dev libvulkan-dev:i386 libgl1-mesa-dri libgl1-mesa-dri:i386 vkmark glmark2-x11 firmware-amd-graphics radeontop xserver-xorg-video-amdgpu [sudo] password for j:
Reading package lists… Done Building dependency tree… Done Reading state information… Done Package firmware-amd-graphics is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
E: Unable to locate package vkmark E: Unable to locate package glmark2-x11 E: Package ‘firmware-amd-graphics’ has no installation candidate `