PREIN

/bin/sh

getent group memcached >/dev/null || groupadd -r memcached
getent passwd memcached >/dev/null || \
useradd -r -g memcached -d /var/run/memcached \
    -s /sbin/nologin -c "Memcached daemon" memcached
exit 0

PREUN

/bin/sh

if [ "$1" = 0 ] ; then
    /sbin/service memcached stop > /dev/null 2>&1
    /sbin/chkconfig --del memcached
fi
exit 0

POSTIN

/bin/sh

/sbin/chkconfig --add memcached

POSTUN

/bin/sh

if [ "$1" -ge 1 ]; then
    /sbin/service memcached condrestart > /dev/null 2>&1
fi
exit 0