sudo adduser techiehints
if you want to give sudo accessibility follow the simple procedure as below.
#add techiehints ALL=(ALL:ALL) ALL under the line for root ALL=(ALL:ALL) ALL
root ALL=(ALL:ALL) ALL
techiehints ALL=(ALL:ALL) ALL
ctrl O , edit line ctrl x
After this you can login and test as created user:
#enter created password in step 1.
sudo login techiehints
# enter created password in the above step. once you see shell prompt you are logged in as created user. Here as techiehints.
#test the sudo permissions by executing
sudo apt-get update
# if the above command line executed successfully. you’re confirmed that you have given Admin access to created user.