Whilst on the user side Ethernet is a pretty easy to grasp standard, most people’s experience is either the now ubiquitous 8pin RJ45 interface or at a higher end of the speed scale possibly SPF/QSFP and fibre optic links. However on the other side of the simple connector, inside the box, there are a multitude …
Month: December 2021
Keeping Track of Time with Systemd
Nearly all smart devices obtain and keep track of time – it’s something that ‘just works’ and something which we often take for granted. Yet under-the-hood there is a surprising amount of complexity – software needs to obtain an accurate external source of time (e.g. NTP), it needs to handle drift and gradual synchronisation between …