How to give root permission privilages to a user

There are lots of applications and commands in ubuntu which need root passwords to be executed. you can avoid giving that password always, by following steps(editing /etc/sudoers.tmp).

in terminal type

1. sudo visudo

this will open up a file in terminal

2. Locate the following line

%sudo ALL=(ALL:ALL) ALL

3. Add the following line after above line

username ALL=NOPASSWD: ALL

4. Ctrl+x

it will ask to save

5. Give yes

You are done!!!

Then it will never ask you root passwords any more for applications which needs root password. :)