Authentication is disabled (development mode).

Check for modified config files on Debian systems

Edit

apt changed config configuration debian dpkg file files installed list modified ubuntu view

ref: https://serverfault.com/questions/90400/how-to-check-for-modified-config-files-on-a-debian-system#answer-90401

dpkg-query -W -f='${Conffiles}' '*' | awk 'OFS=" "{print $2,$1}' | LANG=C md5sum -c 2>/dev/null | awk -F': ' '$2 !~ /OK$/{print $1}' | sort