When you get the error message: "debconf-get-selections is not found", it means that debconf-utils is not installed. Install it. aptitude -y install debconf-utils Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=305262 Debian About the author Xuan Ngo is the founder of OpenWritings.net. He currently lives in Montreal, Canada. He loves to write about programming and open source subjects.