A sea of roofs at Thamesmeade (photo by author)

If you read back over my adventures with AWS Lambda functions over the past few months, you may not be surprised to see my attention has turned to wanting to explore bolting an API in front of a Lambda function. There is some method in this madness: while I’m happy…

oval stone with the word “Tranquility” and a Chinese character engraved on it.
Tranquility — Photo by the author

If you’ve read any of my previous writing, you will have noticed I’m a fan of services that don’t involve me directly building and managing a server anywhere. …

Or, “How I built Flickr with some events and a pub/sub queue”

Wind blown snow on the side of a tree
Image by the author

In my last note, I talked about how I set up some serverless code build pipelines on AWS to assemble Go code into a Lambda function. …

Bo the dog in the winter sun. Photo by the author

Or, “How I built Jenkins with a few lines of Terraform and some Christmas Cake”.

Almost a year ago I wrote up my comparison of Wasabi and AWS S3, and hinted at the end that I was going to use Wasabi as part of a personal system for archiving photos…

A dog on a dirt track, looking back at the camera

Over the holiday period I finally settled down to spend some time building a photo archiving service for personal use — you’ll hear more about that incoming days. This also meant that I buckled down to start writing some serious Go code, rather than playing around with initial tutorials and…

Evening sun on the Thames — Photo by the author.

If you start paying some attention to keeping safe on line, it doesn’t take long before you start seeing articles — and advertisements — telling you that you need a VPN. So then — do you need a VPN?


To be a bit more accurate: probably not, under most circumstances.

There are a handful of problems that keep recurring across my decades of working in information technology. Some problems are simple to address, some are always annoying, and a few of them seem doomed to need re-solving each time.

Photo by the author

The one on my mind today is that of addresses, and…

Russian dolls
(Russian Dolls — photo by myself)

I love scams. I love the improbable email, and the cunning SMS tricks, and the eternal optimism of the inexperienced con artist. There are few things in the world of technology, and the world of information security, that reveal so much humanity as scams.

There’s one simple technique to inoculate…

Sunset over the water with a bridge in silohuette

Last time I wrote I spoke at some length about passwords, and why you should use a password manager. The nice thing about sophisticated password managers like 1Password is that they usually provide a way to make your passwords shared across your various devices — laptops, desktops, tablets, phones and…

If you look online for advice on keeping safe online, two pieces of advice that are usually at or near the top of the list are “use a strong password” and “use a password manager”. Great advice, but useless if you don’t know why. What’s a “strong password”? One that…

Robert Hook

Founder and CTO of Little Dog Digital, with a belief that technology can be simple, easy and fun. 30+ yearsbuilding robust, secure data driven solutions.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store