PREIN

/bin/sh

getent group pdns-recursor > /dev/null || groupadd -r pdns-recursor
getent passwd pdns-recursor > /dev/null || \
    useradd -r -g pdns-recursor -d / -s /sbin/nologin \
    -c "PwerDNS Recursor user" pdns-recursor
exit 0

PREUN

/bin/sh

if [ $1 -eq 0 ]; then
    service pdns-recursor stop >/dev/null 2>&1 || :
    chkconfig --del pdns-recursor
fi

POSTIN

/bin/sh

chkconfig --add pdns-recursor

POSTUN

/bin/sh

if [ $1 -ge 1 ]; then
    service pdns-recursor condrestart >/dev/null 2>&1 || :
fi