loadavg is a simple and lightweight method of monitoring load, memory usage and transfer throughput on a Linux server.Every method of monitoring has an impact on the system being monitored --- loadavg is designed to keep that impact as low as possible. It generates HTML & CSS charts, thereby shifting much of the work from the server to the client --- your web browser.
This article is focusing installing and configure MRTG with CPU,Memory and Disk Usage Graphs examples for Debian Ubuntu and Kubuntu Users and may be work for some debian based distributions.
MRTG is Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic.
This is very good tutorials for bandwidth monitoring,network monitoring and servers monitoring tools with clear step by step installation guides this includes Nagios,MRTG,RTG,Netmrg,Darkstat,monit,munin,mon,oreon,Saidar ,Cacti,Bigsister,ibmonitor,zabbix.This resouce is Very useful for Users and Administrators to monitor their networks,bandwidth and servers.
ZABBIX is a 24×7 monitoring solution without high cost.
ZABBIX is software that monitors numerous parameters of a network and the health and integrity of servers. ZABBIX uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows a fast reaction to server problems. ZABBIX offers excellent reporting and data visualisation features based on the stored data. This makes ZABBIX ideal for capacity planning.
Oreon© is an Open Source monitoring solution based on Nagios. It offers to this monitoring standard a new front end and brings it a panel of new functionalities.
darkstat is a network statistics gatherer.Effectively, it's a packet sniffer which runs as a background process on a cable/DSL router, gathers all sorts of useless but interesting statistics,and serves them over HTTP.Read Full article
