What happened with libcuda1? it appears to be removed everywhere https://packages.ubuntu.com/search?searchon=contents&keywords=libcuda.so.1&mode=exactfilename&suite=hirsute&arch=any
# apt install libcuda1 Reading package lists... Done Building dependency tree Reading state information... Done Package libcuda1 is a virtual package provided by: libnvidia-compute-455 455.45.01-0ubuntu1 libnvidia-compute-450-server 450.80.02-0ubuntu3 libnvidia-compute-450 450.80.02-0ubuntu1 libnvidia-compute-440-server 440.95.01-0ubuntu2 libnvidia-compute-418-server 418.152.00-0ubuntu2 libnvidia-compute-390 390.138-0ubuntu2 You should explicitly select one to install. E: Package 'libcuda1' has no installation candidate -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel