PREIN
/bin/sh
/usr/share/rpm-helper/add-user arpalert $1 arpalert /var/lib/arpalert /bin/sh
PREUN
/bin/sh
/usr/share/rpm-helper/del-service arpalert $1 arpalert
POSTIN
/bin/sh
/usr/share/rpm-helper/add-service arpalert $1 arpalert
POSTUN
/bin/sh
/usr/share/rpm-helper/del-user arpalert $1 arpalert