Monitoring Metrics of APC UPS with MRTG via SNMP

This assumes you have a APC Smart-UPS UPS with a Network Management Card, that you have already configured to allow SNMP connections and you’ve configured the community string. This is tested using MRTG running on Ubuntu with an AP9619 network management card in the UPSes. This took ages to find the correct metrics OIDs from […]

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Moodle 2.x SSO Failing

I’m not a huge fan of Moodle, its basically a unsupportable mess. However the price: Free, is very appealing in the times of no money and so we are stuck with using it. One of the nice features is that of SSO using NTLM authentication. We use Microsoft Windows 2008 R2 with IIS 7.5 and […]

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Enable RPR Route Processor Redundancy on Cisco 4500 Series Switch

Something I’ve done recently, the switch has been in for over a year, but was put in, in a hurry, and we’d never got round to finishing off the configuration fully until now. It has two processor supervisor blades, but its always been running in RPR mode, as we now run VMware ISCSI traffic through […]

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