Introduction

Cacti
“Cacti is an open-source, web-based network monitoring and graphing tool designed as a front-end application for the open-source, industry-standard data logging tool RRDtool. Cacti allows a user to poll services at predetermined intervals and graph the resulting data. It is generally used to graph time-series data of metrics such as CPU load and network bandwidth utilization.[2] A common usage is to monitor network traffic by polling a network switch or router interface via Simple Network Management Protocol (SNMP).” – Wikipedia (more…)

Introduction

Before we start let’s review few basic definitions.

Nginx
“Nginx (pronounced “engine x”) is a web server with a strong focus on high concurrency, performance and low memory usage. It can also act as a reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a load balancer and an HTTP cache.” – Wikipedia (more…)

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