- **Users and User Groups resource usage**, by summarizing the process tree per user and group (CPU, memory, disk reads, disk writes, swap, threads, pipes, sockets, etc)
-- **Apache web server** mod-status (v2.2, v2.4)
+- **Apache web server** mod-status (v2.2, v2.4) and cache log statistics (multiple servers)
-- **Nginx web server** stub-status
+- **Nginx web server** stub-status (multiple servers)
- **mySQL databases** (multiple servers, each showing: bandwidth, queries/s, handlers, locks, issues, tmp operations, connections, binlog metrics, threads, innodb metrics, etc)
+- **Redis databases** (multiple servers, each showing: operations, hit rate, memory, keys, clients, slaves)
+
+- **memcached databases** (multiple servers, each showing: bandwidth, connections, items, etc)
+
- **ISC Bind name server** (multiple servers, each showing: clients, requests, queries, updates, failures and several per view metrics)
- **Postfix email server** message queue (entries, size)
- **IPFS** (Bandwidth, Peers)
+- **exim email server** message queue (emails queued)
-- **Squid proxy server** (clients bandwidth and requests, servers bandwidth and requests)
+- **IPFS** (Bandwidth, Peers)
+
+- **Squid proxy server** (multiple servers, each showing: clients bandwidth and requests, servers bandwidth and requests)
- **Hardware sensors** (temperature, voltage, fans, power, humidity, etc)
- **PHP-FPM** (multiple instances, each reporting connections, requests, performance)
+- **hddtemp** (disk temperatures)
+
- **SNMP devices** can be monitored too (although you will need to configure these)
And you can extend it, by writing plugins that collect data from any source, using any computer language.