1. Installation
1.1 Use Generation 2
1.2 RAM 2048MB
REF: https://bobcares.com/blog/the-images-hash-and-certificate-are-not-allowed/#:~:text=Why%20the%20image's%20hash%20and,its%20Generation%202%20virtual%20machines.
2. Resolution
sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=hyperv_fb:3840x2160"sudo apt install linux-image-extra-virtual
rebootREF: https://superuser.com/questions/1660150/change-screen-resolution-of-ubuntu-vm-in-hyper-v