Intro to AC Units An air conditioning unit isn’t a hugely complex bit of kit. Its major electrical components are
Continue readingCategory: Blog
The blog of a derptastic developer
Building an Electronics Lab
I’ve recently gotten back into Electronics projects. Given the raft of small components and tools you need, it’s tricky to
Continue readingRepairing the BT 6000 Baby Monitor Parent Unit
Intro Looking around online, it seems this unit breaks a lot. Mostly the cause of the breakage seems to be
Continue readingA tale of VoIP, NAT and some confused Engineers
Foreword NAT and PAT, in their many forms, are so common these days that almost all of CloudCall’s customers use
Continue readingThe trials and tribulations of running statically linked 32 bit binaries in AWS Lambda
Foreword AWS Lambda is absolutely wonderful. The ability to deploy code and have it triggered by a variety of sources
Continue readingJuniper SRX: Clamp TCP MSS on a single interface
JunOS has some system wide settings for TCP MSS. These are limited to all TCP, IPSec VPN and GRE. Sometimes
Continue readingJuniper MX: Simple static VXLAN configuration
On most VXLAN deployments, you’ll want to be using EVPN to distribute MAC addresses between devices. However, if you’re doing
Continue readingLinux: Kill stuck NFS process (kill -9 doesn’t work)
Apparently kill -9 always works… except when it doesn’t. It also so seems that 99% of the time, when it
Continue readingWordPress plugin: Wikipedia extract tooltip v1.3
I initially wrote this plugin back in 2011. I then apparently released v1.1 and v1.2. Largely due to forgetting how
Continue readingSo you’re thinking of applying to APNIC?
Having recently gone through the APNIC application process (and been accepted as a member), I thought it worthwhile writing about
Continue reading