Archive for April, 2013

Monotoring Redundant Power Supplies using IPMI Tool and Nagios

April 22nd, 2013 No comments

For SuperMicro motherboards which use IPMI, you can setup monitoring of RPS’s using Nagios and the IPMI plugin.

IPMItool is an open source utility to work with the IPMI management cards in some servers. Depending on your particular Linux distribution, you can probably “apt-get install ipmitool” or “yum install ipmitool” to get it. It is basically a command line tool that can be used instead of the IPMI web interface. Read more…

Categories: Nagios, Network Management Tags:

iproute2 Crib Notes

April 10th, 2013 No comments

An aide-memoir from practicing iproute2, the utilities used to control TCP/IP networking and Linux Traffic Control

“ip link list” – shows us our links

[Daren@home Daren]$ ip link list
1: lo: <LOOPBACK,UP> mtu 3924 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: dummy: <BROADCAST,NOARP> mtu 1500 qdisc noop
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
3: eth0: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1400 qdisc pfifo_fast qlen 100
link/ether 48:54:e8:2a:47:16 brd ff:ff:ff:ff:ff:ff
4: eth1: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc pfifo_fast qlen 100
link/ether 00:e0:4c:39:24:78 brd ff:ff:ff:ff:ff:ff
3764: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP> mtu 1492 qdisc pfifo_fast qlen 10
Read more…

Categories: linux Tags:

SNMP version 3 – Wireshark (pcap) Capture

April 2nd, 2013 No comments


Download this capture file:snmp_usm

OR: view it now via Cloudshark

SNMPv3 provides a secure environment for the management of systems covering the following: Read more…

Categories: Network Management Tags: