Cacti uses SNMP (Simple Network Management Protocol) to monitor your server's network bandwidth, cpu loads, total ammounts of RAM and Hard Drive etc. To monitor your Linux server, you must have net-snmp installed.

Installing Net-SNMP on Debian or Ubuntu

For Debian, Ubuntu and other Debian-based distro, type this command:

Edit the /etc/default/snmpd file

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What is Cacti?

Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.  full story »