PREUN
/bin/sh
if [ $1 -eq 0 ]; then service arc-cache-service stop > /dev/null 2>&1 /sbin/chkconfig --del arc-cache-service fi
POSTIN
/bin/sh
/sbin/chkconfig --add arc-cache-service
POSTUN
/bin/sh
if [ $1 -ge 1 ]; then service arc-cache-service condrestart > /dev/null 2>&1 fi