Node view

apache

Apache accesses Apache accesses
Apache processes Apache processes
Apache volume Apache volume

disk

Disk usage in percent Disk usage in percent
Inode usage in percent Inode usage in percent

exim

Exim mail throughput Exim mail throughput
Exim Mailqueue Exim Mailqueue

mysql

MySQL queries MySQL queries
MySQL slow queries MySQL slow queries
MySQL threads MySQL threads
MySQL throughput MySQL throughput

network

Firewall Throughput Firewall Throughput
ICMP ICMP
IP packet reassembly IP packet reassembly
IP packet types IP packet types
ipconntrack ipconntrack
Netstat Netstat
PAWS (Protect against wrapped sequence numbers) PAWS (Protect against wrapped sequence numbers)
TCP TCP
TCP aborted connections TCP aborted connections
TCP Congestion avoidance algorithm (Reno) TCP Congestion avoidance algorithm (Reno)
TCP Connection States TCP Connection States
TCP data loss events TCP data loss events
TCP delayed ACKs TCP delayed ACKs
TCP Duplicate Selective ACKs TCP Duplicate Selective ACKs
TCP Open Connections TCP Open Connections
TCP other timeouts TCP other timeouts
TCP Packet headers predicted TCP Packet headers predicted
TCP Queueing TCP Queueing
TCP retransmissions TCP retransmissions
TCP SACK/FACK reorders TCP SACK/FACK reorders
TCP Segments TCP Segments
TCP Selective ACK / Forward ACK TCP Selective ACK / Forward ACK
TCP socket buffer errors TCP socket buffer errors
TCP Sockets TCP Sockets
TCP Syncookies TCP Syncookies
TCP Time-Wait TCP Time-Wait
UDP datagrams UDP datagrams
venet0 errors venet0 errors
venet0 traffic venet0 traffic

nginx

nginx RAM usage nginx RAM usage
Nginx requests Nginx requests
NGINX status NGINX status

processes

Fork rate Fork rate
Number of threads Number of threads
Processes Processes
Processes priority Processes priority
VMstat VMstat

system

Available entropy Available entropy
CPU usage CPU usage
File table usage File table usage
Inode table usage Inode table usage
Interrupts and context switches Interrupts and context switches
Load average Load average
Logged in users Logged in users
Memory usage Memory usage
Swap in/out Swap in/out
Uptime Uptime

webserver

access.log - Nginx errors per minute access.log - Nginx errors per minute