:: Disk usage (in percent)

:: Inode usage (in percent)

:: IOstat

:: S.M.A.R.T values for drive hda

:: S.M.A.R.T values for drive hdg

:: eth0 errors

:: eth1 errors

:: eth0 traffic

:: eth1 traffic

:: Netstat

:: Fork rate

:: Number of Processes

:: VMstat

:: HDD temperature

:: Fans

:: Temperatures

:: Voltages

:: CPU usage

:: Available entropy

:: Interrupts & context switches

:: Individual interrupts

:: Load average

:: Memory usage

:: File table usage

:: Inode table usage

:: Swap in/out