Ubuntu setting desktop resolution in Hyper-V
adjust grub in the /etc/default/grub
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sudo vim /etc/default/grubChange value of GRUB_CMDLINE_LINUX_DEFAULT with below.
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GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=hyperv_fb:3840x2160"
Replace ‘3840x2160’ to your resolution.
Then run below commands
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sudo update-grub
sudo apt install linux-image-extra-virtual
sudo reboot
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