calum.org:~#


Playing with software defined networking

If you want to get a basic OpenFlow SDN network set up, then these are the in...

Posted on 2020-07-16 under

Driving on the left

Driving on the left-hand side of the road isn't as uncommon as people might t...

Posted on 2020-07-13 under

Recommended hardware

Recently, I've had some extra spare time at weekends, and I've been playing a...

Missing the point of SPF

Some people don't understand the point of SPF or Sender Permitted From*. I...

Data are plural

Data are plural. "The data show an increase in..." I know that is corre...

Posted on 2020-06-02 under

Gaming in the cloud

A good friend of mine told me how he'd run a cloud GPU to play a game, and I ...

2020 laptop

My current personal laptop at home is a 2009 HP Elitebook 8530w. Yes, really....

Qubes

Limiting fallout I've always liked the idea of keeping unrelated things sepa...

TV series to watch

Because the world is staying at home, and doesn't have as much to do, I thoug...

UK Taps

Here in the UK, we're known for having separate hot and cold taps, which deli...