title: Undelete files in docker
body: <p>I have docker container and execute command</p>
  
  <pre><code># rm -rf /etc/
  rm: cannot remove '/etc/hosts': Device or resource busy
  rm: cannot remove '/etc/resolv.conf': Device or resource busy
  rm: cannot remove '/etc/hostname': Device or resource busy
  </code></pre>
  
  <p>How to recover deleted files and directories?</p>
  
  <p><em>UPD:</em> according to comment about <a href="https://unix.stackexchange.com/questions/91297/how-to-undelete-just-deleted-directory-with-rm-r-command">https://unix.stackexchange.com/questions/91297/how-to-undelete-just-deleted-directory-with-rm-r-command</a></p>
  
  <p>It doest not work for me beacause I have removed /etc/ directory and unable to install any additional software inside docker container.</p>