install --backup=numbered -o0g0 -m 400 changeip.conf /etc &&
install -o0g0 -m 500 changeip.sh /usr/sbin &&

sedit "s#ADD_HERE_YOUR_DDNS_INTERFACE#$DDNS_INT#" /etc/changeip.conf &&
sedit "s#YOUR_USER_NAME#$USERNAME#"               /etc/changeip.conf
