PREIN
/bin/sh
getent group vnstat > /dev/null || /usr/sbin/groupadd -r vnstat getent passwd vnstat > /dev/null || /usr/sbin/useradd -r -g vnstat -M \ -d /var/lib/vnstat -s /sbin/nologin -c "vnStat user" vnstat
PREUN
/bin/sh
if [ "$1" = 0 ] ; then /sbin/service vnstat stop > /dev/null 2>&1 /sbin/chkconfig --del vnstat || : fi
POSTIN
/bin/sh
/sbin/chkconfig --add vnstat || :
POSTUN
/bin/sh
if [ "$1" -ge 1 ]; then /sbin/service vnstat try-restart >/dev/null 2>&1 || : fi