title: Windows10 WSL2 Ubuntu / Debian # no network
body: <p>After upgrading from WSL to WSL2</p>
  <pre><code>sudo apt-get update
  </code></pre>
  <p>not works any longer. After:</p>
  <p><code>wsl --set-version Ubuntu-18.04 2</code></p>
  <p>Output is:</p>
  <pre><code>&gt; sudo apt-get update
  Err:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
    Temporary failure resolving 'security.ubuntu.com'
  Err:2 http://archive.ubuntu.com/ubuntu bionic InRelease
    Temporary failure resolving 'archive.ubuntu.com'
  Err:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
    Temporary failure resolving 'archive.ubuntu.com'
  Err:4 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
    Temporary failure resolving 'archive.ubuntu.com'
  Reading package lists... Done
  W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic/InRelease  Temporary failure resolving 'archive.ubuntu.com'
  W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease  Temporary failure resolving 'archive.ubuntu.com'
  W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease  Temporary failure resolving 'archive.ubuntu.com'
  W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease  Temporary failure resolving 'security.ubuntu.com'
  W: Some index files failed to download. They have been ignored, or old ones used instead.
  </code></pre>
  <p>After going back to WSL1 the problem disappears again. Same on Debian and analogous in CentOS .. so WSL2 must have a bug.</p>
  <p>The Windows10 build Version is 19041 and was installed today.</p>
  <p>Any work around for WSL2?
  Regards</p>