title: Can't not sudo apt-get update on my raspberry pi
body: <p><code>sudo apt-get update</code> I tried this code on my raspberry pi and it just popped out</p>
  
  <pre><code>Err:1 http://archive.raspberrypi.org/debian buster InRelease 
  Temporary failure resolving 'archive.raspberrypi.org'
  
  Err:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
  Temporary failure resolving 'raspbian.raspberrypi.org' 
  
  Reading package lists... Done`
  
  W: Failed to fetch http://raspbian.raspberrypi.org/raspbian/dists/buster/InRelease  Temporary failure resolving 'raspbian.raspberrypi.org'`
  W: Failed to fetch http://archive.raspberrypi.org/debian/dists/buster/InRelease  Temporary failure resolving 'archive.raspberrypi.org'
  W: Some index files failed to download. They have been ignored, or old ones used instead.
  </code></pre>