Some of the things that I develop are done on a low end VPS. Today I was using metalsmith to create a simple blog/website on a low memory VPS. Metalsmith is a nodejs based static website builder. It’s an easy way to use javascript on the server to create static websites. When one is ready to deploy metalsmith,…
Revers DNS (rDNS) requires you to input the reverse ip6.arpa address of an IPv6 address. This can be difficult and time consuming to do by hand. This calculator will take an IPv6 address and output the reverse ip6.arpa format. Useful for PTR records. It can also take a valid arpa format IPv6 address and turn…
The Vue-i18n documentation does a good job of explaining the usage for this library, but the documents lack much information about testing localization of Vue apps. This guide will explain how I have added Jest unit tests to my Vue-i18n implementation. Why Use Vue-i18n Vue-i18n provides an easy way to integrate translation, pluralization, dateTime, and number…
Also known as Carrier Ethernet or Private Line Transport, Ethernet Transport is usually used to provide a physical connection to a local area network (LAN). Transport is different from IP transit. Ethernet transport does not necessarily mean a connection to the Internet at large. It is a way to connect two points using layer 2…
Common port numbers need to be memorized by anyone who is looking to work in tech. Once you start working in tech you will memorize these port numbers just because you have to work with them all the time. However, if you are looking to get your foot in the tech industry, having these port…
I love graphs, charts and visualizations. I find that telling a story through data is a great way to express ideas. These types of visualizations are especially great for translating analytic data into easy to understand information. The modern Internet has a ton of different ways for web developers to express data visualizations and build…
SSH is the secure shell protocol used to securely exchange data between to computers. SCP is the secure copy protocol used to securely copy files from one computer to another. SCP uses the SSH protocol to make this file transfer possible. The default port for SSH (and SCP) is port 22, however some system administrators…
Internet Protocol Version 6 (IPv6) is the latest way to provide unique addressing to systems within a network. IPv6 is slowing replacing IPv4 IP addresses. (Note, there is no IPv5). The main reason that IPv4 needs to be replaced is the huge amount of devices which connect to the Internet cannot be handled by the…
There’s a number of online speed test websites, but they are all intended to test residential connections of less than 100Mb. They are also non standard and reliy among other things on browser speeds. iperf on the other hand is an industry standard open source tool used to test network speeds well beyond 100Mb. Jperf is a GUI front end…
Network engineering and administration used to not need much programming skill. All you needed to know was how to run commands on switches and routers and how to configure networking devices. These days a network engineer has to know how to write code. Otherwise he or she risks becoming outdated and useless in their job….