This blog has now been moved on to AWS using entirely serverless technologies, meaning both reduced cost and better performance.
To do this, a number of technologies have been employed to automate the deployment. As there is really only one Always Networks site, a lot of this was probably a lot more effort than it could have been - it would probably have been easier to … Read whole post...
Have you ever needed to prove a gigabit Internet circuit? It's more of a
headache than you'd think. I had to prove one recently - we were seeing
some errors which seemed to happen every time the bandwidth went over
about 400mbps outbound, so we needed to prove we could push more. We
could ask the ISP to run some tests - but I'm an untrusting kinda … Read whole post...
I recently bought a 4 bay synology NAS (DS416 Play), to move away from
Dropbox and OneDrive. The main issue I had before choosing to do this,
was off-site backups. It's ok having 4 disks for resilience, but if my
house burns down or gets burgled, I still lose everything.
So I started to think up ways of doing an offsite backup, without having
to … Read whole post...
A number of times in the last few weeks I have been asked by a number of
What is ARP?
There is the simple answer - which is simply a definition:
Address Resolution Protocol (ARP) is a mechanism to resolve IP
addresses into MAC addresses.
However...that doesn't really explain a lot. It probably doesn't explain
anything you didn't already know. To really understand ARP … Read whole post...
While troubleshooting a totally unrelated issue, one of my colleagues
noticed that they were seeing packets in a tcpdump that were neither
destined for nor sourced from the server. This is odd, when plugged into
a switch, so we started digging.
Server 1, was sending a stream of packets to Server 2 - in a different
subnet somewhere. Sometimes, although rarely, these packets could be
seen … Read whole post...