DNS, Lots of IPs, and PostalDNS, Lots of IPs, and Postal
I decided to start work on repeating the tests for my 2006 OSDC paper on Benchmarking Mail Relays [1] and discover how the last 15 years of hardware developments have[...]
Links April 2021Links April 2021
Dr Justin Lehmiller’s blog post comparing his official (academic style) and real biographies is interesting [1]. Also the rest of his blog is interesting too, he works at the Kinsey[...]
Scanning with a MFC-9120CN on BullseyeScanning with a MFC-9120CN on Bullseye
I previously wrote about getting a Brother MFC-9120CN multifunction printer/scanner to print on Linux [1]. I had also got it scanning which I didn’t blog about. found USB scanner (vendor=0x04f9,[...]
HP ML350P Gen8HP ML350P Gen8
I’m playing with a HP Proliant ML350P Gen8 server (part num 646676-011). For HP servers “ML” means tower (see the ProLiant Wikipedia page for more details [1]). For HP servers[...]
IMA/EVM CertificatesIMA/EVM Certificates
I’ve been experimenting with IMA/EVM. Here is the Sourceforge page for the upstream project [1]. The aim of that project is to check hashes and maybe public key signatures on[...]
Basics of Linux Kernel DebuggingBasics of Linux Kernel Debugging
Firstly a disclaimer, I’m not an expert on this and I’m not trying to instruct anyone who is aiming to become an expert. The aim of this blog post is[...]
RiverdaleRiverdale
I’ve been watching the show Riverdale on Netflix recently. It’s an interesting modern take on the Archie comics. Having watched Josie and the Pussycats in Outer Space when I was[...]
Storage Trends 2021Storage Trends 2021
The Viability of Small Disks Less than a year ago I wrote a blog post about storage trends [1]. My main point in that post was that disks smaller than[...]
Censoring ImagesCensoring Images
A client asked me to develop a system for “censoring” images from an automatic camera. The situation is that we have a camera taking regular photos from a fixed location[...]