04-29-2019
I think that chroot wants /bin/bash or /bin/sh relative to /mnt i.e. /mnt/bin/bash or /mnt/bin/sh.
It only makes sense if it hold the OS.
But your /dev/md2 is not the OS disk (it looks like a /boot disk). Try to mount /dev/md3 instead (umount first).
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LEARN ABOUT DEBIAN
dgetlp
DGETLP(1) General Commands Manual DGETLP(1)
NAME
dgetlp - simulate ``dget'' behaviour for files hosted at librarian.launchpad.net
SYNOPSIS
dgetlp [-d|(-v|-q)] <Launchpad DSC URL>
DESCRIPTION
dgetlp simulates dget behaviour by downloading and extracting the <Launchpad DSC URL> from the Launchpad Librarian.
OPTIONS
Listed below are the command line options for dgetlp:
-h, --help
show this help message and exit.
-d, --debug
Enable debugging.
-v, --verbose
Enable verbose output.
-q, --quiet
Never print any output.
<Launchpad DSC URL>
This is the source package that you would like to be downloaded from the Launchpad Librarian.
EXAMPLE
dgetlp http://launchpadlibrarian.net/10348157/coreutils_5.97-5.4ubuntu1.dsc
AUTHOR
dgetlp was written by Terence Simpson <tsimpson@ubuntu.com> and modified by Siegfried-A. Gevatter <rainct@ubuntu.com>. The python rewrite
was written by Terence Simpson <tsimpson@ubuntu.com> based off the original. This man page was written by Ryan Kavanagh
<ryanakca@kubuntu.org>. Both are released under the GNU General Public License, version 2 or later.
ubuntu-dev-tools 27 August 2008 DGETLP(1)