:: Disk usage in percent

:: Inode usage in percent

:: Hosts blacklisted by fail2ban

:: Firewall Throughput

:: HTTP loadtime of a page

:: ens3 traffic

:: ens3 errors

:: Postfix Mailqueue

:: Postfix bytes throughput

:: Fork rate

:: Processes priority

:: Processes

:: Number of threads

:: VMstat

:: CPU usage

:: Available entropy

:: Interrupts and context switches

:: Individual interrupts

:: Load average

:: Memory usage

:: File table usage

:: Inode table usage

:: Swap in/out

:: Uptime

:: Logged in users

:: NTP kernel PLL estimated error (secs)

:: NTP kernel PLL frequency (ppm + 0)

:: NTP kernel PLL offset (secs)

:: NTP timing statistics for system peer