How to set updates periodically?

Question

If I'm tired of do apt-get update && apt-get upgrade, how can I tell my Ubuntu system to update automatically given a period of time?

Answer 1

1. Open Software & Updates from Dash

   

2. On the new window open the Updates tab

   

3. Now you will see the Automatically check for Updates option between others.
   Select your values, enter your password and done!