How to change resolution in Hyper-v Ubuntu

Story: When the resolution does not fit my requirement. I wanted to change 1024x768 to 1920x1080

Steps:

1. sudo vi /etc/defaults/grub
2. add “video=hyper_fb:1920x1080” at CRUB_CMDLINE_LINUX_DEFAULT value and save grub file.

3. run “sudo update-grub “

run “$sudo update-grub”

4. run “reboot”