I get this within hardy also.
When running apt-get install foo from within a SSH connection to a headless server
debconf: Unable to initialise frontend: Dialog
debconf: (TERM is not set so the dialogue frontend is not usable.)
debconf: falling back to frontend: Readline
debconf: Unable to initialise frontend: Readline
debconf: (This frontend requires a controlling tty.)
I get this within hardy also.
When running apt-get install foo from within a SSH connection to a headless server
debconf: Unable to initialise frontend: Dialog
debconf: (TERM is not set so the dialogue frontend is not usable.)
debconf: falling back to frontend: Readline
debconf: Unable to initialise frontend: Readline
debconf: (This frontend requires a controlling tty.)