Dialog doesn't run during remote installation about catan

[abrahamq]

Installing dependencies . . .
debconf: unable to initialize frontend: Dialog
debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.)
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:
Requirement already satisfied (use --upgrade to upgrade): requests in /usr/lib/python2.7/dist-packages
Cleaning up...
Configuring network interfaces...
sed: -e expression #1, char 7: extra characters after command
bash: line 45: -e: command not found
bash: line 46: -e: command not found
Configuring front end Wi-Fi...
Configuring /etc/default/ifplugd...
cp: cannot stat ‘/etc/default/ifplugd’: No such file or directory
sed: can't read /etc/default/ifplugd: No such file or directory
sed: can't read /etc/default/ifplugd: No such file or directory
Configuring /etc/default/isc-dhcp-server...
Configuring /etc/dhcp/dhcpd.conf

More worrying output from the install script over ssh

[cspensky]

Pretty sure the install still goes fine with this messages. Tested it a few times on my end. The ifplugd ones should have been corrected.