When installing a program in Ubuntu 18.04 server minimal installation, i get following error
debconf: unable to initialize frontend: Dialog debconf: (No usable dialog-like program is installed, so the dialog based frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line 76.) debconf: falling back to frontend: Readline
To fix this, run
apt -y install whiptail
OR
apt -y install dialog
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