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 Nagios plugin: check_elvis_status
-================================
+=================================
 
-Check [Elvis DAM](http://www.elvisdam.com/) status via admin /server-status json data
+Check [Elvis DAM](http://www.elvisdam.com/) status via admin /server-status json data.
+
+This plugins allows you monitor any integer value from server-status json (specified with `-u` option),
+it takes expression via `-e` option, the warning and critical tresholds configurable with `-w` and `-c` 
+options respectively.
+
+Requires: php 5.0, php-json (if using php 5.2, use json pecl)
+
+Usage
+=====
+  
+    ./check_elvis -u elvis.json -e '->securityStatus->apiOperationsToday' -m 'API ops' -w 3000 -c 5000
+    ELVIS: CRITICAL: API ops: 5329
+     
+    ./check_elvis -u elvis.json -e '->securityStatus->apiOperationsToday' -m 'API ops' -w 5000 -c 15000
+    ELVIS: WARNING: API ops: 5329
+
+    ./check_elvis -u elvis.json -e '->securityStatus->apiOperationsToday' -m 'API ops' -w 6000 -c 15000
+    ELVIS: OK: API ops: 5329