sameersbn/docker-ubuntu — pull request #5 by stefan-it (2014-12-18 17:45:30+00:00)
Title: Fixes debconf error messages.

This PR fixes the `debconf` error messages like:

```bash
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
debconf: unable to initialize frontend: Readline
debconf: (This frontend requires a controlling tty.)
debconf: falling back to frontend: Teletype
dpkg-preconfigure: unable to re-open stdin:
```