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Virtual Domain Controllers and time in a hyper-V environment

In a “normal” (read: physical) domain environment, all the domain member machines such as servers and PCs use the PDC (Primary Domain Controller) as the authoritiative time source. This keeps all the...

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IT & Web Infrastructure Masterclasses

Through March 2013, I’m running a set of IT and Web infrastructure masterclasses in Nottingham (in conjunction with PCM Projects), for people who don’t necessarily work in IT, but need to know (or...

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How to write an SPF record

An SPF record is a DNS TXT record (like A records and MX records) that indicates to receiving mail servers whether an email has come from a server that is “allowed” to send email from that domain. I.e....

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Streaming music services and the future of consuming music

I’m listening to Spotify while I write this. I’ve been a premium subscriber since early 2010, which means I’ve so far paid spotify £390 of which around 70% has gone to the artists. It took me a while...

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The Three Ways

The three ways are one of the underlying principles of what some people call DevOps (and what other people call “doing stuff right”). Read on for a description of each approach, which when combined,...

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