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Phil's Blog

The thoughts and ramblings of an Engineer

Author: Phil Lavin

I’m an Engineer, working for Vonage (an Ericsson company). I write about stuff that interests me - primarily Networks, Software Engineering, VoIP and Electronics. It exists in the hope that someone may learn from my thoughts and ramblings. I'm on GitHub! I'm also currently fairly active on Twitter and LinkedIn.
TV and Games Console Cabinet
6 September, 2022 Blog / Twitter

Carpentry Designs: TV / Games Console Cabinet

Intro I’m not a big gamer, but I played a lot when I was younger. Having dug out a Sega

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Hikvision DSCE72HFTE
15 August, 2022 Blog

Remotely configuring Hikvision analogue cameras

Intro I wired my house, circa 2014, for CCTV. At the time, I didn’t have as much confidence as I

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AC PCB
21 July, 2022 Blog

Repairing another Air Conditioner Unit

Intro I did a post some time back about repairing a portable air conditioner unit. They’re not very complex bits

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Ansible Logo
16 June, 2022 Blog

boto3 / Ansible: SSL validation failed [Errno 2] No such file or directory

This is a really peculiar error. It seems to be caused in the past few months by some sort of

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Finished Chest Freezer Cabinet
9 May, 2022 Blog

Carpentry Designs: Chest Freezer Cabinet

Chest freezers are ugly beasts. If you don’t have an appropriate garage or other outbuilding then you’re stuck with keeping

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mtr
17 March, 2022 Blog

How to properly interpret a traceroute or mtr

traceroute vs mtr When a packet travels across the Internet, it travels through multiple routers. The traceroute and mtr tools

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Wordpress Logo
21 February, 2022 Blog

WordPress: Changing error_reporting level

If you add error_reporting to the end of the list of the disable_functions setting in your php.ini then Wordpress can no longer change error_reporting settings and, thus, the setting provided in your php.ini will be honoured.

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Drinks Cabinet with Wine Fridge
27 January, 2022 Blog

Carpentry Designs: Drinks Cabinet with Wine Fridge

Intro When looking for a drinks cabinet for wine and spirits, I couldn’t find anything which took my fancy. Some

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MySQL Logo
20 January, 2022 Blog

MySQL: Generating a new “random” number which isn’t already present in a table

The Problem You have a list of numbers in a table and you want to generate a new number, between

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AWS Logo
14 January, 2022 Blog

AWS Aurora Global Clusters Explained: What you wish they told you before you built it

AWS Aurora Global is, on the face of it, a decent product. Aurora is a MySQL fork with a tonne

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