The ramblings of a computer geek
So you have a Python script (for example), and you need to store some access credentials for an API it accesses (for example), now you could put the username and password in the script. There’s lots of reasons not to do this however, a key one being that if you are using a version control … Read more
If you try to monitor a cloudflare fronted website with NagiosXI check_http you may get this: After much fiddling found that if you formulate the check string as: You’ll get a result like this, which is what we want! You need to use this: Enable SSL/TLS hostname extension support (SNI) The SNI is Server Name … Read more
https://microk8s.io/docs/registry-images So images. A container is based on an image. You can pull these images in from the outside world, e.g. from a Public, Private registry, or from the built-in registry. For this copy the “hello-python” directory we created in Part 2 into one called “hello-python3”, you can delete the .tar file in there for … Read more
Well Part 2 was very long, so lets have a shorter one and cover how you can adjust your application on the fly and add the other worker nodes to the cluster. Updating an Application or Service on the Fly Kubernetes is a system whereby you declare what you want the “world” to look like, … Read more
Log onto your master node via SSH. We’re going to build an image and then deploy it, so as a developer you’d probably be developing on your own machine possibly running docker locally to test how your containers work before deploying the code to a repository where it can then be applied to a production … Read more
Kuberntes is a platform for the managing of containerised workloads and services, that is akin to a declarative infrastructure as code type platform. It allows developers to deploy containerised applications quickly and easily and in such a way that infrastructure system administrators can manage the infrastructure for the applications to be as adaptable and flexible … Read more
I’ve always needed to be able to connect into my home network remotely for one reason or another, so wanted a quick, secure and cheap VPN solution to do the trick. If you’re only going to have a handful of users connected at one time something like a Raspberry Pi is ideal for the job, … Read more
We had a rather irritating issue whereby we were seeing intermittent packet drops and connection failures on our Kemp Load Master. The Kemp Load Master sat inbetween a Palo Alto Firewall within a DMZ zone. Client connections from the Internet would be directed to the Kemp Load Master in the DMZ, which would then make … Read more
In 2015 I completed my studies with the Open University for an MSc in Computing for Commerce and Industry; this page is a holding page for any information or materials I found useful during my work and where my T802 Research Project is published to provide a link for me to refer to from other … Read more
So I took the plunge on a lease of an electric car, I’ve always been interested in electrically powered transportation, but only now has the battery technology developed to the point where it is 1. practical and 2. cheap enough to do. There’s lots of benefits to the planet, environment and health, and also the … Read more