PREUN
/bin/sh
[ "$1" = 0 ] || exit 0; [ -x /usr/sbin/alternatives-helper ] && /usr/sbin/alternatives-helper --remove ettercap-NG
POSTIN
/bin/sh
/usr/sbin/alternatives-helper --install ettercap-NG -- ettercap
/bin/sh
[ "$1" = 0 ] || exit 0; [ -x /usr/sbin/alternatives-helper ] && /usr/sbin/alternatives-helper --remove ettercap-NG
/bin/sh
/usr/sbin/alternatives-helper --install ettercap-NG -- ettercap