Node view

apache

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

disk

Disk usage in percent Disk usage in percent
Filesystem usage (in bytes) Filesystem usage (in bytes)
Inode usage in percent Inode usage in percent

network

Firewall Throughput Firewall Throughput
Hosts blacklisted by fail2ban Hosts blacklisted by fail2ban
HTTP loadtime of a page HTTP loadtime of a page
venet0 errors venet0 errors
venet0 traffic venet0 traffic

nginx

nginx cache hit ratio nginx cache hit ratio
Nginx requests Nginx requests
NGINX status NGINX status

postfix

Postfix bytes throughput Postfix bytes throughput
Postfix Mailqueue Postfix Mailqueue
Postfix message throughput Postfix message throughput

postgresql

PostgreSQL autovacuum workers PostgreSQL autovacuum workers
PostgreSQL bgwriter PostgreSQL bgwriter
PostgreSQL buffer cache (umap) PostgreSQL buffer cache (umap)
PostgreSQL checkpoints PostgreSQL checkpoints
PostgreSQL connections (osm) PostgreSQL connections (osm)
PostgreSQL connections per database PostgreSQL connections per database
PostgreSQL connections per user PostgreSQL connections per user
PostgreSQL database size PostgreSQL database size
PostgreSQL locks (osm) PostgreSQL locks (osm)
PostgreSQL query length (umap) PostgreSQL query length (umap)
PostgreSQL transaction log PostgreSQL transaction log
PostgreSQL transactions (umap) PostgreSQL transactions (umap)
PostgreSQL tuple access (umap) PostgreSQL tuple access (umap)

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