jna's random musings.

Here’s two scripts you can run if you have a 3G card, and a few friends stuck in the hotel room with you who want WiFi.

First, turn your laptop into an access point. These scripts work on MacOS X…

Two great presentations I’ve recently read and want to share with you:

Tim O’Reilly and John Battelle’s “Web Squared: Web 2.0 Five Years On“.

Read that, perhaps while…

Last Tuesday, I was part of the Velocity 2009 Keynote, where I gave a talk entitled, “Fixing Twitter”. I covered the last year or so of work in improving Twitter to deal with the massive traffic and…

Frequently you want to predict when things are going to happen, and if it’s not the end of the world, it might be something occurring a bit sooner, such as your disk filling up.

First capture some…

I posted this in response to a post on GigaOM, but it was such a long comment, I felt that it was worthy as a post on it’s own.

The workloads of social networking sites fall mostly into the…

I’m announcing the release of mod_memcache_block, a distributed IP blocking system for Apache, with rate limiting based on HTTP request code.

For many years I’ve had a need for a module like this —…

There’s a small interview with me in today’s O’Reilly radar, where I talk about some of the things that I’ll be presenting as part of my Velocity 2009 talk. You can listen to, and read the…

A bit of last-minute news, but I’ll be on a panel at SXSW Interactive: “Using GPS & Location to Enhance Social Networking”.

First there were social networks, and then there were location-based…

Normally I don’t repost Twiter articles here but this one on the New York magazine was wistful, fair, balanced, and gave a good representation of what it’s like to work here.

The reporter was in…