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 … Read more

DPM Email Notification Errors

An odd one, you need to configure SQL Reporting Services first with the correct FROM: email address, email server and port. Once you have done that you won’t get the error message about reporting services not be configured, however you are likely then to get this error. DPM 2010 Administrator Console->Management->Options->Notifications Entering a valid email … Read more

Moodle 2.x Failing Course Restores

I’ve been wrestling with a course restore problem on Moodle 2.4.2 and Moodle 2.5. Basically you can take a course backup fine, but when trying to restore it, it will timeout, and fail to restore the course at all or may only restore a small segment of it. Of course it fails, with no entries … Read more

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 … Read more

Enable Wake On Lan Across VLAN on Cisco Network

Wake on LAN packets do not traverse routers (normally) so you need to configure your network to do this. There are some security implications you need to be aware of first, Cisco’s document on it is a good read:http://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/91672-catl3-wol-vlans.html Also download Solarwinds Free Wake On LAN tool, its a good one to use to test … Read more