:: 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

:: ipconntrack

:: Netstat

:: NFS Server

:: NFSv4 Client

:: NFSv4 Server

:: 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

:: NTP kernel PLL estimated error (secs)

:: NTP kernel PLL frequency (ppm + 0)

:: NTP kernel PLL offset (secs)

:: NTP timing statistics for system peer