add user to sudo group code example

Example 1: add user to sudoers

usermod -aG sudo username

Example 2: ubuntu add user to group

sudo usermod -a -G group username

Example 3: add sudo user ubuntu

# add a user and set a password
adduser USERNAME

# add user to sudoers / sudo groupe with command below
usermod -aG sudo USERNAME

Example 4: linux add user to group

# Change the primary group a user is assigned to, note the -g here.
# When you use a lowercase g, you assign a primary group. When you 
# use an uppercase -G you assign a new secondary group.
usermod -g groupname username

Example 5: linux add user to group

# add user to additional group

usermod -G groupname username

Example 6: add user to sudoers

echo "username  ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/username