refer here : http://www.cyberciti.biz/nixcraft/linux/docs/uniqlinuxfeatures/mrtg/mrtg_references.php Basically , you need to properly setup the snmpd.. then test will snmp walk… then only setup mrtg to parse the data and generate output peridocally..

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Sometime we got more than one network interface.. let say one Ethernet Card and one wifi cards.. this will show you how to combine this into one.. and get better throughout speed.

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first enable kernel rq interrupter. for permanent one go add this line into /etc/sysctl.conf vi /etc/sysctl.conf add kernel.sysrq=1 or else.. for this session only. just echo 1 > /proc/sys/kernel/sysrq .. then.. triggerring system crash.. echo ‘c’ > /proc/sysrq-trigger fuyoo….

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