Checking SPF on incoming mail with Postfix
Something I've been wanting to add to my mail server for a while is Sender Policy Framework (SPF) checking on incoming mail. For anyone who isn't familiar with SPF, it…
Taking over maintenance of canidepend.com
I've recently taken over the maintenance of canidepend.com following a request from the previous maintainer. The site lists the current, next and two previous versions of popular packages such as…
Copying a file from another branch in Git
Copying a file from another branch into my current branch is something I do every so often in Git, e.g. when I want to reset a file in staging to…
Wrapper scripts for backup systems
As part of my exploration of Linux backup options, I've written some wrapper scripts around various backup systems, which can be found on GitHub under the unimaginatively named backup-scripts repository.…
From Debian to Ubuntu on servers
Over the past few months, all the new servers I've set up have been running Ubuntu, rather than Debian. The three killer reasons for me are: Package versions: Debian is…
Linux backup options
Until recently I've been happily using Obnam for all my backup needs, both on local machines and servers. However, the main developer has decided to step down, and the community,…
Moving to nginx
Several years ago I tried an introduction to nginx, to see whether this alternative to Apache offered any advantages. At the time I wasn't convinced, particularly as nginx had some…
Why I don’t work with recruiters
Over the past few years, I've received over 500 emails from recruiters relating to 'amazing roles I might be interested in' (this doesn't include all the phone calls). Of those,…
Relearning modern C
Over the past few weeks I've started relearning the C programming language, which I haven't used much since my undergraduate degree. Apart from the intellectual challenge, there's a lot of…
Life as a coin-operated monkey at PHPNW
On Tuesday 6th June I'll be delivering my Life as a coin-operated monkey talk about my experiences as a freelance PHP developer and Linux system administrator at the PHP North West…