:: Apache accesses

:: Apache processes

:: Apache volume

:: Disk IOs for /dev/sda

:: Disk IOs for /dev/sdb

:: Disk IOs for /dev/sdc

:: Disk IOs for /dev/sdd

:: Disk IOs for /dev/sde

:: Disk IOs per device

:: Disk latency for /dev/sda

:: Disk latency for /dev/sdb

:: Disk latency for /dev/sdc

:: Disk latency for /dev/sdd

:: Disk latency for /dev/sde

:: Disk latency per device

:: Disk throughput for /dev/sda

:: Disk throughput for /dev/sdb

:: Disk throughput for /dev/sdc

:: Disk throughput for /dev/sdd

:: Disk throughput for /dev/sde

:: Disk throughput per device

:: Disk usage in percent

:: Disk utilization per device

:: Inode usage in percent

:: IO Service time

:: IOstat

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

:: Exim mail throughput

:: Exim Mailqueue

:: freshness of served tiles

:: mod_tile HTTP response codes

:: Connections through firewall

:: eth0 errors

:: eth0 traffic

:: eth1 errors

:: eth1 traffic

:: ipconntrack

:: Netstat

:: Fork rate

:: Number of threads

:: Processes

:: Processes priority

:: VMstat

:: Data import lag

:: Renderd queue length

:: Renderd throughput

:: Renderd throughput by zoom

:: Renderd time spent by zoom

:: Fans

:: Temperatures

:: Voltages

:: Available entropy

:: CPU frequency scaling

:: 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