:: Disk IOs per device

:: Disk latency per device

:: Disk throughput per device

:: Disk usage in percent

:: Disk utilization per device

:: Inode usage in percent

:: IO Service time

:: IOstat

:: Exim mail throughput

:: Exim Mailqueue

:: Connections through firewall

:: eth0 errors

:: eth0 traffic

:: eth1 errors

:: eth1 traffic

:: eth2 errors

:: eth2 traffic

:: Firewall Throughput

:: ipconntrack

:: Fork rate

:: Number of threads

:: Processes

:: Processes priority

:: VMstat

:: Available entropy

:: CPU usage

:: File table usage

:: Individual interrupts

:: Inode table usage

:: Interrupts and context switches

:: Load average

:: Logged in users

:: Memory usage

:: Swap in/out

:: Uptime