Utility for detailed web server monitoring?

Question

System administration

Hello.
Prompt a convenient utility for monitoring on the side of the web server. Number of connected users, what scripts are being executed and how many resources they eat (nginx + apache + php + mysql) . Preferably with a web interface. Server on CentOS, currently using htop.

Answer 1

Zabbix
True, if there is only one server, then it is slightly overhead :)

Answer 2

goaccess.io

Answer 3

munin
monitor
mysql (multi-instance)
php (multi-instance)
redis
memcached
disk i/o
swap
LA
and the rest

Answer 4

Munin, Zabbix, Nagios... there are a lot of monitoring systems, read more about each and decide which one suits your needs.