diff -Nur -x '*.orig' -x '*.rej' smeserver-zabbix-agent-0.1/root/etc/e-smith/templates/etc/zabbix/zabbix_agentd.conf/90UserParameters_usedMem mezzanine_patched_smeserver-zabbix-agent-0.1/root/etc/e-smith/templates/etc/zabbix/zabbix_agentd.conf/90UserParameters_usedMem
--- smeserver-zabbix-agent-0.1/root/etc/e-smith/templates/etc/zabbix/zabbix_agentd.conf/90UserParameters_usedMem	2009-02-10 18:04:31.000000000 +0100
+++ mezzanine_patched_smeserver-zabbix-agent-0.1/root/etc/e-smith/templates/etc/zabbix/zabbix_agentd.conf/90UserParameters_usedMem	2009-02-10 18:04:24.000000000 +0100
@@ -1,3 +1,3 @@
 # Amount of used memory
-UserParameter=vm.memory.size.used,free -b | grep Mem | awk '\{print $3\}'
+UserParameter=vm.memory.size.used,echo $(($(free -b | grep Mem | awk '\{print $2\}')-$(free -b | grep 'buffers/cache' | awk '\{print $3\}')))