/dev/kvm permission denied ubuntu 18.04 code example

Example 1: grant current user access to /dev/kvm

first install dependecies of kvm from android studio site then execute following command

Add your user to kvm group using:
sudo adduser $USER kvm

If still showing permission denied:
sudo chown $USER /dev/kvm

Example 2: grant current user access to /dev/kvm

To check the ownership of /dev/kvm use

ls -al /dev/kvm
The user was root, the group kvm. To check which users are in the kvm group, use

grep kvm /etc/group
This returned

kvm:x:some_number:
on my system: as there is nothing rightwards of the final :, there are no users in the kvm group.

To add your user to the kvm group, you could use

sudo adduser $USER kvm