:: Disk usage in percent

:: Inode usage in percent

:: Connections through firewall

:: eth0 errors

:: eth0 traffic

:: Firewall Throughput

:: HTTP loadtime of a page

:: ipconntrack

:: Postfix bytes throughput

:: Postfix Mailqueue

:: PostgreSQL bgwriter

:: PostgreSQL buffer cache

:: PostgreSQL checkpoints

:: PostgreSQL connections

:: PostgreSQL connections per database

:: PostgreSQL connections per user

:: PostgreSQL database size

:: PostgreSQL locks

:: PostgreSQL query length

:: PostgreSQL scan types

:: PostgreSQL transaction log

:: PostgreSQL transactions

:: PostgreSQL tuple access

:: Fork rate

:: Number of threads

:: Processes

:: Processes priority

:: VMstat

:: Available entropy

:: CPU usage

:: File table usage

:: Inode table usage

:: Interrupts and context switches

:: Load average

:: Logged in users

:: Memory usage

:: Swap in/out

:: Uptime

:: Tomcat accesses

:: Tomcat JVM memory

:: Tomcat threads

:: Tomcat volume