Author name: Dan Langille

I've been playing with Open Source software, starting with FreeBSD, since New Zealand Post installed DSL on my street in 1998. From there, I started writing at The FreeBSD Diary, moving my work here after I discovered WordPress. Along the way, I started the BSDCan and PGCon conferences. I slowly moved from software development into full time systems administration and now work for very-well known company who has been a big force in the security industry.

Duplicate dependency issues – avoiding duplicate rows

Databases use relational integrity to enforce expected situations. A common scenario is duplicates. Case in point, I present the port_dependencies table: For those not familiar with FreeBSD ports, each port (you could also refer to them as a package or application) can have zero or more dependencies. The FreshPorts database extracts and lists these dependencies

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Details of the vuxml processing problem

For several weeks, FreshPorts had a vuxml processing problem. In this blog post, I will share what I found. Introduction Incoming events for FreshPorts are handled by a small Python script which checks for flags and incoming commits. This ensures that work is carried out serially because parallel work can have unintended consequences. After each

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