i only tried this on an ub_ct yet
ssh-keygen -t ed25519 ;
echo 'Acquire::http::Proxy "http://192.168.10.14:3142";' > /etc/apt/apt.conf.d/00aptproxy ;
ln -fs /usr/share/zoneinfo/America/Detroit /etc/localtime && dpkg-reconfigure -f noninteractive tzdata ;