I am using ubuntu 12.04 lts
I created a user and added to sudoers list using
sudo adduser username sudo.
Then in the /etc/sudoers i made the following change
%sudo ALL=(ALL:ALL) ALL
sudo ALL=(ALL:ALL) ALL
Now after that neither me nor the new user are in sudoers list (
I had to set root passwd and only root has the rootly power. neither me nor the newuser has
Can anybody advise?