PREIN
/bin/sh
/usr/share/rpm-helper/add-user nsd $1 nsd /etc/nsd /sbin/nologin
PREUN
/bin/sh
/usr/share/rpm-helper/del-service nsd $1 nsd
POSTIN
/bin/sh
/usr/share/rpm-helper/add-service nsd $1 nsd
POSTUN
/bin/sh
/usr/share/rpm-helper/del-user nsd $1 nsd