If you are using a Windows system and the Hyper-V virtual machine engine to virtualize Linux machines, you have probably found that the default resolution is very low.
Hyper-V is a very good solution for virtualizing machines in a Windows environment. But, by default, when we create a new Linux virtual machine the default resolution is 1024x768.
This resolution may be insufficient, especially in distributions with heavier window environments, making it quite annoying to work with them.
Fortunately, it is very easy to change this in systems that use the Grub boot manager, as is the case with the vast majority of Linux distributions.
To do this, we edit the Grub configuration file by doing:
sudo nano /etc/default/grub
Locate the line ‘GRUB_CMD_LINE_LINUX_DEFAULT’
GRUB_CMD_LINE_LINUX_DEFAULT=“quiet splash”
And modify it by adding the following: video=hyperv_fb:1680x1050, where 1680x1050 is the resolution we want, resulting in:
GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash video=hyperv_fb:1920x1080”
In this case, we would be applying the 1920x1080 resolution. Of course, we could have used any other.
Next, we update the grub system by writing the following:
sudo update-grub
And finally, we restart the computer by doing:
sudo reboot
That’s how easy it is to change the resolution of a Linux operating system in Hyper-V. Now we can work with our virtual machines in a much more comfortable way.
